Abstract

We report on efficient generation of ultra-broadband terahertz (THz) waves via optical rectification in a novel nonlinear organic crystal with acentric core structure, i.e. 2-(4-hydroxystyryl)-1-methylquinolinium 4-methylbenzenesulfonate (OHQ-T), which possesses an ideal molecular structure leading to a maximized nonlinear optical response for near-infrared-pumped THz wave generation. By systematic studies on wavelength-dependent phase-matching conditions in OHQ-T crystals of different thicknesses we are able to generate coherent THz waves with a high peak-to-peak electric field amplitude of up to 650 kV/cm and an upper cut-off frequency beyond 10 THz. High optical-to-THz conversion efficiency of 0.31% is achieved by efficient index matching with a selective pumping at 1300 nm.

© 2016 Optical Society of America

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  1. M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
    [Crossref]
  2. B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
    [Crossref] [PubMed]
  3. M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
    [Crossref]
  4. P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
    [Crossref] [PubMed]
  5. E. Freysz and J. Degert, “Terahertz Kerr effect,” Nat. Photonics 4(3), 131–132 (2010).
    [Crossref]
  6. D. Turchinovich, J. M. Hvam, and M. C. Hoffmann, “Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor,” Phys. Rev. B 85(20), 201304 (2012).
    [Crossref]
  7. T. Kampfrath, K. Tanaka, and K. A. Nelson, “Resonant and nonresonant control over matter and light by intense terahertz transients,” Nat. Photonics 7(9), 680–690 (2013).
    [Crossref]
  8. M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
    [Crossref] [PubMed]
  9. F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
    [Crossref]
  10. A. M. Sinyukov and L. M. Hayden, “Generation and detection of terahertz radiation with multilayered electro-optic polymer films,” Opt. Lett. 27(1), 55–57 (2002).
    [Crossref] [PubMed]
  11. F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
    [Crossref]
  12. B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.
  13. H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
    [Crossref]
  14. L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
    [Crossref]
  15. A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23(9), 1822–1835 (2006).
    [Crossref]
  16. C. Vicario, B. Monoszlai, and C. P. Hauri, “GV/m single-cycle terahertz fields from a laser-driven large-size partitioned organic crystal,” Phys. Rev. Lett. 112(21), 213901 (2014).
    [Crossref] [PubMed]
  17. P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
    [Crossref]
  18. S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
    [Crossref]
  19. J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
    [Crossref] [PubMed]
  20. O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
    [Crossref]
  21. A. Schneider, F. D. J. Brunner, and P. Gunter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulse,” Opt. Commun. 275(2), 354–358 (2007).
    [Crossref]
  22. F. D. J. Brunner, S.-H. Lee, O.-P. Kwon, and T. Feurer, “THz generation by optical rectification of near-infrared laser pulses in the organic nonlinear optical crystal HMQ-TMS,” Opt. Mater. Express 4(8), 1586–1592 (2014).
    [Crossref]
  23. S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
    [Crossref]
  24. B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
    [Crossref]
  25. M. Jewariya, M. Nagai, and K. Tanaka, “Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3,” J. Opt. Soc. Am. B 26(9), A101–A106 (2009).
    [Crossref]
  26. M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25(11), 1914–1919 (2008).
    [Crossref]
  27. S.-W. Huang, E. Granados, W. R. Huang, K.-H. Hong, L. E. Zapata, and F. X. Kärtner, “High conversion efficiency, high energy terahertz pulses by optical rectification in cryogenically cooled lithium niobate,” Opt. Lett. 38(5), 796–798 (2013).
    [Crossref] [PubMed]

2015 (1)

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

2014 (3)

C. Vicario, B. Monoszlai, and C. P. Hauri, “GV/m single-cycle terahertz fields from a laser-driven large-size partitioned organic crystal,” Phys. Rev. Lett. 112(21), 213901 (2014).
[Crossref] [PubMed]

F. D. J. Brunner, S.-H. Lee, O.-P. Kwon, and T. Feurer, “THz generation by optical rectification of near-infrared laser pulses in the organic nonlinear optical crystal HMQ-TMS,” Opt. Mater. Express 4(8), 1586–1592 (2014).
[Crossref]

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

2013 (4)

S.-W. Huang, E. Granados, W. R. Huang, K.-H. Hong, L. E. Zapata, and F. X. Kärtner, “High conversion efficiency, high energy terahertz pulses by optical rectification in cryogenically cooled lithium niobate,” Opt. Lett. 38(5), 796–798 (2013).
[Crossref] [PubMed]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

T. Kampfrath, K. Tanaka, and K. A. Nelson, “Resonant and nonresonant control over matter and light by intense terahertz transients,” Nat. Photonics 7(9), 680–690 (2013).
[Crossref]

F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
[Crossref]

2012 (2)

D. Turchinovich, J. M. Hvam, and M. C. Hoffmann, “Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor,” Phys. Rev. B 85(20), 201304 (2012).
[Crossref]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

2011 (1)

H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
[Crossref]

2010 (2)

M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
[Crossref] [PubMed]

E. Freysz and J. Degert, “Terahertz Kerr effect,” Nat. Photonics 4(3), 131–132 (2010).
[Crossref]

2009 (2)

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
[Crossref]

M. Jewariya, M. Nagai, and K. Tanaka, “Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3,” J. Opt. Soc. Am. B 26(9), A101–A106 (2009).
[Crossref]

2008 (3)

M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25(11), 1914–1919 (2008).
[Crossref]

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

2007 (2)

A. Schneider, F. D. J. Brunner, and P. Gunter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulse,” Opt. Commun. 275(2), 354–358 (2007).
[Crossref]

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
[Crossref]

2006 (2)

2005 (1)

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

2002 (3)

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

A. M. Sinyukov and L. M. Hayden, “Generation and detection of terahertz radiation with multilayered electro-optic polymer films,” Opt. Lett. 27(1), 55–57 (2002).
[Crossref] [PubMed]

Baek, I. H.

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

Baek, I.-H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Blanchard, F.

F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
[Crossref]

H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
[Crossref]

Bolivar, P. H.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Bosserhoff, A.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Brucherseifer, M.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Brunner, F. D. J.

F. D. J. Brunner, S.-H. Lee, O.-P. Kwon, and T. Feurer, “THz generation by optical rectification of near-infrared laser pulses in the organic nonlinear optical crystal HMQ-TMS,” Opt. Mater. Express 4(8), 1586–1592 (2014).
[Crossref]

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

A. Schneider, F. D. J. Brunner, and P. Gunter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulse,” Opt. Commun. 275(2), 354–358 (2007).
[Crossref]

Büttner, R.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Cao, L.

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

Casalbuoni, S.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Choi, S.-B.

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Degert, J.

E. Freysz and J. Degert, “Terahertz Kerr effect,” Nat. Photonics 4(3), 131–132 (2010).
[Crossref]

Doi, A.

F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
[Crossref]

H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
[Crossref]

Elsaesser, T.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Ferguson, B.

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

Feurer, T.

Freysz, E.

E. Freysz and J. Degert, “Terahertz Kerr effect,” Nat. Photonics 4(3), 131–132 (2010).
[Crossref]

Fu, Q.

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

Gaal, P.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Granados, E.

Guenter, P.

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Gunter, P.

A. Schneider, F. D. J. Brunner, and P. Gunter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulse,” Opt. Commun. 275(2), 354–358 (2007).
[Crossref]

Günter, P.

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25(11), 1914–1919 (2008).
[Crossref]

A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23(9), 1822–1835 (2006).
[Crossref]

Hauri, C. P.

C. Vicario, B. Monoszlai, and C. P. Hauri, “GV/m single-cycle terahertz fields from a laser-driven large-size partitioned organic crystal,” Phys. Rev. Lett. 112(21), 213901 (2014).
[Crossref] [PubMed]

Hayden, L. M.

Hebling, J.

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

Hey, R.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Hirori, H.

H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
[Crossref]

Hoffmann, M. C.

D. Turchinovich, J. M. Hvam, and M. C. Hoffmann, “Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor,” Phys. Rev. B 85(20), 201304 (2012).
[Crossref]

Hong, K.-H.

Huang, S.-W.

Huang, W. R.

Hunziker, C.

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Hvam, J. M.

D. Turchinovich, J. M. Hvam, and M. C. Hoffmann, “Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor,” Phys. Rev. B 85(20), 201304 (2012).
[Crossref]

Jazbinsek, M.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Jeong, J. H.

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

Jeong, J.-H.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Jewariya, M.

M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
[Crossref] [PubMed]

M. Jewariya, M. Nagai, and K. Tanaka, “Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3,” J. Opt. Soc. Am. B 26(9), A101–A106 (2009).
[Crossref]

Kampfrath, T.

T. Kampfrath, K. Tanaka, and K. A. Nelson, “Resonant and nonresonant control over matter and light by intense terahertz transients,” Nat. Photonics 7(9), 680–690 (2013).
[Crossref]

Kang, B. J.

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

Kang, B.-J.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kärtner, F. X.

Khan, R. U. A.

Kim, J.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J. H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J. S.

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

Kim, J. W.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

Kim, J.-S.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J.-T.

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Kim, P.-J.

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Kuhl, J.

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

Kurz, H.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Kwon, O.-P.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

F. D. J. Brunner, S.-H. Lee, O.-P. Kwon, and T. Feurer, “THz generation by optical rectification of near-infrared laser pulses in the organic nonlinear optical crystal HMQ-TMS,” Opt. Mater. Express 4(8), 1586–1592 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Kwon, S. J.

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Lee, J.-H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, K.-H.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

Lee, S. H.

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

Lee, S.-C.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, S.-H.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

F. D. J. Brunner, S.-H. Lee, O.-P. Kwon, and T. Feurer, “THz generation by optical rectification of near-infrared laser pulses in the organic nonlinear optical crystal HMQ-TMS,” Opt. Mater. Express 4(8), 1586–1592 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, Y. S.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Monoszlai, B.

C. Vicario, B. Monoszlai, and C. P. Hauri, “GV/m single-cycle terahertz fields from a laser-driven large-size partitioned organic crystal,” Phys. Rev. Lett. 112(21), 213901 (2014).
[Crossref] [PubMed]

Nagai, M.

M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
[Crossref] [PubMed]

M. Jewariya, M. Nagai, and K. Tanaka, “Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3,” J. Opt. Soc. Am. B 26(9), A101–A106 (2009).
[Crossref]

Nagel, M.

M. Nagel, P. H. Bolivar, M. Brucherseifer, H. Kurz, A. Bosserhoff, and R. Büttner, “Integrated THz technology for label-free genetic diagnostics,” Appl. Phys. Lett. 80(1), 154–156 (2002).
[Crossref]

Neis, M.

Nelson, K. A.

T. Kampfrath, K. Tanaka, and K. A. Nelson, “Resonant and nonresonant control over matter and light by intense terahertz transients,” Nat. Photonics 7(9), 680–690 (2013).
[Crossref]

Pálfalvi, L.

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

Peter, A.

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

Ploog, K. H.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Polgar, K.

L. Pálfalvi, J. Hebling, J. Kuhl, A. Peter, and K. Polgar, “Temperature dependence of the absorption and refraction of Mg-doped congruent and stoichiometric LiNbO3 in the THz range,” J. Appl. Phys. 97(12), 123505 (2005).
[Crossref]

Reimann, K.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Rotermund, F.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
[Crossref]

Ruiz, B.

Schlarb, H.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Schmidt, B.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Schmüser, P.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Schneider, A.

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
[Crossref]

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25(11), 1914–1919 (2008).
[Crossref]

A. Schneider, F. D. J. Brunner, and P. Gunter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulse,” Opt. Commun. 275(2), 354–358 (2007).
[Crossref]

A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23(9), 1822–1835 (2006).
[Crossref]

Seo, J. I.

O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
[Crossref]

Sinyukov, A. M.

Steffen, B.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Stillhart, M.

Tan, P.

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

Tanaka, K.

T. Kampfrath, K. Tanaka, and K. A. Nelson, “Resonant and nonresonant control over matter and light by intense terahertz transients,” Nat. Photonics 7(9), 680–690 (2013).
[Crossref]

F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
[Crossref]

H. Hirori, A. Doi, F. Blanchard, and K. Tanaka, “Single-cycle terahertz pulses with amplitudes exceeding 1 MV/cm generated by optical rectification in LiNbO3,” Appl. Phys. Lett. 98(9), 091106 (2011).
[Crossref]

M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
[Crossref] [PubMed]

M. Jewariya, M. Nagai, and K. Tanaka, “Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3,” J. Opt. Soc. Am. B 26(9), A101–A106 (2009).
[Crossref]

Tanaka, T.

F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
[Crossref]

Tonouchi, M.

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
[Crossref]

Turchinovich, D.

D. Turchinovich, J. M. Hvam, and M. C. Hoffmann, “Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor,” Phys. Rev. B 85(20), 201304 (2012).
[Crossref]

Vicario, C.

C. Vicario, B. Monoszlai, and C. P. Hauri, “GV/m single-cycle terahertz fields from a laser-driven large-size partitioned organic crystal,” Phys. Rev. Lett. 112(21), 213901 (2014).
[Crossref] [PubMed]

Winter, A.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Woerner, M.

P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, R. Hey, and K. H. Ploog, “Nonlinear terahertz response of -type GaAs,” Phys. Rev. Lett. 96(18), 187402 (2006).
[Crossref] [PubMed]

Wu, B.

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

Xiong, Y.

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

Yoo, B.-W.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

Yun, H.

S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
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O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
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Zhang, X.-C.

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
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Adv. Funct. Mater. (2)

P.-J. Kim, J.-H. Jeong, M. Jazbinsek, S.-B. Choi, I.-H. Baek, J.-T. Kim, F. Rotermund, H. Yun, Y. S. Lee, P. Guenter, and O.-P. Kwon, “Highly efficient organic THz generator pumped at near infrared: Quinolinium single crystals,” Adv. Funct. Mater. 22(1), 200–209 (2012).
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O.-P. Kwon, S. J. Kwon, M. Jazbinsek, F. D. J. Brunner, J. I. Seo, C. Hunziker, A. Schneider, H. Yun, Y. S. Lee, and P. Günter, “Organic phenolic configurationally locked polyene single crystals for electro-optic and terahertz wave applications,” Adv. Funct. Mater. 18(20), 3242–3250 (2008).
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S.-H. Lee, B.-J. Kang, J.-S. Kim, B.-W. Yoo, J.-H. Jeong, K.-H. Lee, M. Jazbinsek, J. W. Kim, H. Yun, J. Kim, Y. S. Lee, F. Rotermund, and O.-P. Kwon, “New acentric core structure for organic electro-optic crystals optimal for efficient optical-to-THz conversion,” Adv. Opt. Mater. 3(6), 756–762 (2015).
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F. Blanchard, A. Doi, T. Tanaka, and K. Tanaka, “Real-time, subwavelength terahertz imaging,” Annu. Rev. Mater. Res. 43(1), 237–259 (2013).
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F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94(6), 061119 (2009).
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B. J. Kang, I. H. Baek, J. H. Jeong, J. S. Kim, S. H. Lee, O.-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14(3), 403–406 (2014).
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M. Jewariya, M. Nagai, and K. Tanaka, “Ladder climbing on the anharmonic intermolecular potential in an amino acid microcrystal via an intense monocycle terahertz pulse,” Phys. Rev. Lett. 105(20), 203003 (2010).
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S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
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Sci. Rep. (1)

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinsek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J. H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Other (1)

B. Wu, L. Cao, Q. Fu, P. Tan, and Y. Xiong, “Comparison of the detection performance of three nonlinear crystals for the electro-optic sampling of a FEL-THz source,” in Proceedings of the 5th International Particle Accelerator Conference, (European Physical Society, 2014), pp. 2891–2893.

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Figures (4)

Fig. 1
Fig. 1 Chemical structure of OHQ-T and image of as-grown OHQ-T crystal.
Fig. 2
Fig. 2 (a) Optical group index ng (red circles and line) and THz phase index nTHz (blue circles and line) measured by auto-correlation and THz time-domain spectroscopy methods along the polar axis of as-grown 0.24-mm and 0.63-mm thick OHQ-T crystals. (b) Two-dimensional contour of the effective coherence length in OHQ-T crystal.
Fig. 3
Fig. 3 (a) THz peak-to-peak E-field amplitude generated in OHQ-T crystals with 10-mW pumping in dependence of λpump and crystal thickness. (b) Two-dimensional contour plot of the THz ETHz(t) for 0.78-mm thick OHQ-T crystal. The differences between optical group index and THz phase index in the 0.5-7 THz range vs. λpump (red circles: experimental results, dash-dotted wine line: calculated results) are also depicted. The inter-distance between two horizontal dotted red lines means the full width at half maximum Δτenv of the THz electric field envelope. (c) Two-dimensional contour plot of the THz spectral amplitude ETHz(v). Five red circles and dot lines indicate upper cut-off frequencies νcut-off for different λpump.
Fig. 4
Fig. 4 Efficient broadband THz wave generation in 0.78-mm thick OHQ-T crystals with pumping at 1300 nm. (a) Peak-to-peak THz electric field amplitude (red circles) and upper cut-off frequencies (blue triangles). (b) THz average output power (black circles) and optical-to-THz conversion efficiencies (red triangles) vs. incident pump power. (c) Time-trace of THz ETHz(t) and the corresponding FFT spectrum (inset) generated with 120-mW pumping.

Tables (1)

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Table 1 Summary of Results on THz Wave Generation in 0.78-mm thick OHQ-T Crystal with Pumping at Different Wavelengths

Equations (1)

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L c,eff = π Δk = c 2| n THz ( ν ) n g ( λ ) | ,

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