Abstract

The dissemination of the digital coherent technology has enabled the recent growth of information networks, which has obviated signal processing in the optical domain such as optical dispersion compensation. However, the further scaling of the digital coherent technology will eventually suffer from the slowdown of the Moore's law and/or the energy crunch as a result of the longstanding relentless traffic increase. The use of all-optical signal processing, free from the electronic limitations, will then inevitably be reevaluated but in a slightly different way from how it was previously expected. In this paper, we highlight the unique features of all-optical signal processing that outperforms digital signal processing, and review the two latest results: one is upgrade-free, multi-channel wavelength conversion; and the other, all-optical back propagation for WDM channel nonlinearity compensation. Both of these functions are exploiting a versatile physical phenomenon of parametric processes in highly nonlinear fiber that is highly efficient in terms of cost and energy and is as cascadable as EDFAs. This paper discusses their practical aspects with emphasis on cascadability. In particular, the promising prospects for “cascaded phase-conjugating amplifier chains” to compensate nonlinear signal distortion will be highlighted after discussing the parameter tolerances for all-channel nonlinearity compensation.

© 2016 OAPA

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2016 (4)

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

A. D. Elliset al., “4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation,” J. Lightw. Technol., vol. 34, no. 8, pp. 1717–1723,  2016.

H. Nguyen Tanet al., “On the cascadability of all-optical wavelength converter for high-order QAM formats,” J. Lightw. Technol., vol. 34, no. 13, pp. 3194–3205,  2016.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

2015 (2)

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

2014 (1)

2013 (3)

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

H. Takeshitaet al., “Prototype highly integrated 848 transponder aggregator based on si photonics for multi-degree colorless, directionless, contentionless reconfigurable optical add/drop multiplexer,” IEICE Trans. Electron., vol. E96-C, no. 7, pp. 966–973,  2013.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

2012 (3)

M. D. Pelusi and B. J. Eggleton, “Optically tunable compensation of nonlinear signal distortion in optical fiber by end-span optical phase conjugation,” Opt. Exp., vol. 20, no. 7, pp. 8015–8023,  2012.

R.-J. Essiambre and R. W. Tkach, “Capacity trends and limits of optical communication networks,” Proc. IEEE, vol. 100, no. 5, pp. 1035–1055,  2012.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

2011 (2)

S. Namikiet al., “Ultrahigh-definition video transmission and extremely green optical networks for future,” IEEE J. Sel. Topics Quantum Electron., vol. 17, no. 2, pp. 446–457,  2011.

M. W. Johnsonet al., “Quantum annealing with manufactured spins” Nature, vol. 473, pp. 194–198,  2011.

2008 (1)

E. Ip and M. Kahn, “Compensation of dispersion and nonlinear impairments using digital backpropagation,” J. Lightw. Technol., vol. 26, no. 20, pp. 3416–3425,  2008.

2003 (1)

B. Li and X. Chu, “Routing and wavelength assignment vs. wavelength converter placement in all-optical networks,” IEEE Commun. Mag., vol. 41, no. 8, pp. S22–S28,  2003.

2001 (1)

S. Namiki and Y. Emori, “Ultrabroad-band raman amplifiers pumped and gain-equalized by wavelength-division-multiplexed high-power laser diodes,” IEEE J. Sel. Topics Quantum Electron., vol. 7, no. 1, pp. 3–16,  2001.

1993 (1)

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

1979 (1)

Al Kahteeb, M. A. Z.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

Al Khateeb, M. A. Z.

A. D. Ellis, M. A. Z. Al Khateeb, and M. E. McCarthy, “Impact of optical phase conjugation on the nonlinear shannon limit,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.2.

Al-Khateeb, M. A. Z.

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

Byer, R. L.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Chandrasekhar, S.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Chikama, T.

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

Chu, X.

B. Li and X. Chu, “Routing and wavelength assignment vs. wavelength converter placement in all-optical networks,” IEEE Commun. Mag., vol. 41, no. 8, pp. S22–S28,  2003.

Collings, B.

B. Collings, “The Next Generation of ROADM Devices for Evolving Network Applications,” presented at the Eur. Conf. Opt. Commun., Geneva, Switzerland, 2011.

De Leenheer, M.

G. Parulkar, T. Tofigh, and M. De Leenheer, “SDN control of packet-over-optical networks,” presented at the Optical Fiber Commun. Conf., Los Angeles, CA, USA, 2015, Paper W1G.4.

Eggleton, B. J.

M. D. Pelusi and B. J. Eggleton, “Optically tunable compensation of nonlinear signal distortion in optical fiber by end-span optical phase conjugation,” Opt. Exp., vol. 20, no. 7, pp. 8015–8023,  2012.

Ellis, A. D.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

A. D. Elliset al., “4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation,” J. Lightw. Technol., vol. 34, no. 8, pp. 1717–1723,  2016.

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

A. D. Ellis, M. A. Z. Al Khateeb, and M. E. McCarthy, “Impact of optical phase conjugation on the nonlinear shannon limit,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.2.

Emori, Y.

S. Namiki and Y. Emori, “Ultrabroad-band raman amplifiers pumped and gain-equalized by wavelength-division-multiplexed high-power laser diodes,” IEEE J. Sel. Topics Quantum Electron., vol. 7, no. 1, pp. 3–16,  2001.

Essiambre, R.-J.

R.-J. Essiambre and R. W. Tkach, “Capacity trends and limits of optical communication networks,” Proc. IEEE, vol. 100, no. 5, pp. 1035–1055,  2012.

Fekete, D.

Ferreira, F. M.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

Gao, M.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

Gnauck, A. H.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Hasama, T.

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

Hu, H.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Ikeuchi, T.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

Inoue, T.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Signal power asymmetry tolerance of an optical phase conjugation-based nonlinear compensation system,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper We.2.5.4.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Nearly-ideal optical phase conjugation based nonlinear compensation system,” presented at the Optical Fiber Commun. Conf., San Francisco, CA, USA, Mar. 2014, Paper W3F.8.

S. Namiki, H. Nguyen Tan, K. Solis-Trapala1, and T. Inoue, “Signal-transparent wavelength conversion and light-speed back propagation through fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.1.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

Ip, E.

E. Ip and M. Kahn, “Compensation of dispersion and nonlinear impairments using digital backpropagation,” J. Lightw. Technol., vol. 26, no. 20, pp. 3416–3425,  2008.

Ishii, K.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

Ishikawa, G.

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

Ishikawa, H.

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

Johnson, M. W.

M. W. Johnsonet al., “Quantum annealing with manufactured spins” Nature, vol. 473, pp. 194–198,  2011.

Jopson, R. M.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Kahn, M.

E. Ip and M. Kahn, “Compensation of dispersion and nonlinear impairments using digital backpropagation,” J. Lightw. Technol., vol. 26, no. 20, pp. 3416–3425,  2008.

Kim, I.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

Kudoh, T.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

Kumano, N.

N. KumanoK. Mukasa, S. Matsushita, and T. Yagi, “Zero dispersion-slope NZ-DSF with ultra-wide bandwidth over 300nm,” presented at the Eur. Conf. Opt. Commun., Copenhagen, Denmark, 2002, Paper PD1.4.

Kurosu, T.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

Kurumida, J.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

J. Kurumidaet al., “First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper PD 1.3.

Kuwahara, H.

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

Li, B.

B. Li and X. Chu, “Routing and wavelength assignment vs. wavelength converter placement in all-optical networks,” IEEE Commun. Mag., vol. 41, no. 8, pp. S22–S28,  2003.

Li, L.

L. Liet al., “Implementation efficient nonlinear equalizer based on correlated digital backpropagation,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2011, Paper OWW3.

Marandi, A.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Matsushita, S.

N. KumanoK. Mukasa, S. Matsushita, and T. Yagi, “Zero dispersion-slope NZ-DSF with ultra-wide bandwidth over 300nm,” presented at the Eur. Conf. Opt. Commun., Copenhagen, Denmark, 2002, Paper PD1.4.

McCarthy, M. E.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

A. D. Ellis, M. A. Z. Al Khateeb, and M. E. McCarthy, “Impact of optical phase conjugation on the nonlinear shannon limit,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.2.

Mukasa, K.

N. KumanoK. Mukasa, S. Matsushita, and T. Yagi, “Zero dispersion-slope NZ-DSF with ultra-wide bandwidth over 300nm,” presented at the Eur. Conf. Opt. Commun., Copenhagen, Denmark, 2002, Paper PD1.4.

Namiki, S.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

S. Namikiet al., “Ultrahigh-definition video transmission and extremely green optical networks for future,” IEEE J. Sel. Topics Quantum Electron., vol. 17, no. 2, pp. 446–457,  2011.

S. Namiki and Y. Emori, “Ultrabroad-band raman amplifiers pumped and gain-equalized by wavelength-division-multiplexed high-power laser diodes,” IEEE J. Sel. Topics Quantum Electron., vol. 7, no. 1, pp. 3–16,  2001.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Signal power asymmetry tolerance of an optical phase conjugation-based nonlinear compensation system,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper We.2.5.4.

S. Namiki, H. Nguyen Tan, K. Solis-Trapala1, and T. Inoue, “Signal-transparent wavelength conversion and light-speed back propagation through fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.1.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Nearly-ideal optical phase conjugation based nonlinear compensation system,” presented at the Optical Fiber Commun. Conf., San Francisco, CA, USA, Mar. 2014, Paper W3F.8.

Nguyen Tan, H.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

H. Nguyen Tanet al., “On the cascadability of all-optical wavelength converter for high-order QAM formats,” J. Lightw. Technol., vol. 34, no. 13, pp. 3194–3205,  2016.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

S. Namiki, H. Nguyen Tan, K. Solis-Trapala1, and T. Inoue, “Signal-transparent wavelength conversion and light-speed back propagation through fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.1.

Palacharla, P.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

Parulkar, G.

G. Parulkar, T. Tofigh, and M. De Leenheer, “SDN control of packet-over-optical networks,” presented at the Optical Fiber Commun. Conf., Los Angeles, CA, USA, 2015, Paper W1G.4.

Pelusi, M.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

Pelusi, M. D.

M. D. Pelusi and B. J. Eggleton, “Optically tunable compensation of nonlinear signal distortion in optical fiber by end-span optical phase conjugation,” Opt. Exp., vol. 20, no. 7, pp. 8015–8023,  2012.

Pepper, D. M.

Petit, S.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

Pilori, D.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Randel, S.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

Sato, K.

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

Shoreh, M. H.

Simmons, J. M.

J. M. Simmons, “Analysis of wavelength conversion in all-optical express backbone networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2002, Paper TuG2.

Singh, A.

A. Singhet al., “Jupiter rising: A decade of clos topologies and centralized control in Google's datacenter network,” in Proc. 2015 ACM Conf. Spec. Interest Group Data Commun., pp. 183—197, doi: .

Solis-Trapala, K.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Signal power asymmetry tolerance of an optical phase conjugation-based nonlinear compensation system,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper We.2.5.4.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Nearly-ideal optical phase conjugation based nonlinear compensation system,” presented at the Optical Fiber Commun. Conf., San Francisco, CA, USA, Mar. 2014, Paper W3F.8.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

Solis-Trapala1, K.

S. Namiki, H. Nguyen Tan, K. Solis-Trapala1, and T. Inoue, “Signal-transparent wavelength conversion and light-speed back propagation through fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.1.

Sygletos, S.

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

Takeshita, H.

H. Takeshitaet al., “Prototype highly integrated 848 transponder aggregator based on si photonics for multi-degree colorless, directionless, contentionless reconfigurable optical add/drop multiplexer,” IEICE Trans. Electron., vol. E96-C, no. 7, pp. 966–973,  2013.

Tanizawa, K.

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

Terahara, T.

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

Tkach, R. W.

R.-J. Essiambre and R. W. Tkach, “Capacity trends and limits of optical communication networks,” Proc. IEEE, vol. 100, no. 5, pp. 1035–1055,  2012.

Tofigh, T.

G. Parulkar, T. Tofigh, and M. De Leenheer, “SDN control of packet-over-optical networks,” presented at the Optical Fiber Commun. Conf., Los Angeles, CA, USA, 2015, Paper W1G.4.

Wang, X.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

Wang, Z.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Watanabe, S.

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

Wen, K.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Yagi, T.

N. KumanoK. Mukasa, S. Matsushita, and T. Yagi, “Zero dispersion-slope NZ-DSF with ultra-wide bandwidth over 300nm,” presented at the Eur. Conf. Opt. Commun., Copenhagen, Denmark, 2002, Paper PD1.4.

Yamamoto, Y.

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Yariv, A.

Zhang, Q.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

IEEE Commun. Mag. (1)

B. Li and X. Chu, “Routing and wavelength assignment vs. wavelength converter placement in all-optical networks,” IEEE Commun. Mag., vol. 41, no. 8, pp. S22–S28,  2003.

IEEE J. Sel. Topics Quantum Electron. (3)

S. Namiki, T. Kurosu, K. Tanizawa, S. Petit, M. Gao, and J. Kurumida, “Controlling optical signals through parametric processes,” IEEE J. Sel. Topics Quantum Electron., vol. 18, no. 2, pp. 717–725,  2012.

S. Namikiet al., “Ultrahigh-definition video transmission and extremely green optical networks for future,” IEEE J. Sel. Topics Quantum Electron., vol. 17, no. 2, pp. 446–457,  2011.

S. Namiki and Y. Emori, “Ultrabroad-band raman amplifiers pumped and gain-equalized by wavelength-division-multiplexed high-power laser diodes,” IEEE J. Sel. Topics Quantum Electron., vol. 7, no. 1, pp. 3–16,  2001.

IEEE Photon. Technol. Lett. (1)

S. Watanabe, T. Chikama, G. Ishikawa, T. Terahara, and H. Kuwahara, “Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation,” IEEE Photon. Technol. Lett., vol. 5, no. 10, pp. 1241–1243,  1993.

IEICE Trans. Electron. (1)

H. Takeshitaet al., “Prototype highly integrated 848 transponder aggregator based on si photonics for multi-degree colorless, directionless, contentionless reconfigurable optical add/drop multiplexer,” IEICE Trans. Electron., vol. E96-C, no. 7, pp. 966–973,  2013.

J. Lightw. Technol. (5)

K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Unifying top-down and bottom-up approaches to evaluate network energy consumption” J. Lightw. Technol., vol. 33, no. 21, pp. 4395–4405,  2015.

E. Ip and M. Kahn, “Compensation of dispersion and nonlinear impairments using digital backpropagation,” J. Lightw. Technol., vol. 26, no. 20, pp. 3416–3425,  2008.

K. Solis-Trapala, M. Pelusi, H. Nguyen Tan, T. Inoue, and S. Namiki, “Optimized WDM transmission impairment mitigation by multiple phase conjugations,” J. Lightw. Technol., vol. 34, no. 2, pp. 431–440,  2016.

A. D. Elliset al., “4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation,” J. Lightw. Technol., vol. 34, no. 8, pp. 1717–1723,  2016.

H. Nguyen Tanet al., “On the cascadability of all-optical wavelength converter for high-order QAM formats,” J. Lightw. Technol., vol. 34, no. 13, pp. 3194–3205,  2016.

J. Opt. Commun. Netw. (1)

Nature (1)

M. W. Johnsonet al., “Quantum annealing with manufactured spins” Nature, vol. 473, pp. 194–198,  2011.

Opt. Exp. (3)

M. D. Pelusi and B. J. Eggleton, “Optically tunable compensation of nonlinear signal distortion in optical fiber by end-span optical phase conjugation,” Opt. Exp., vol. 20, no. 7, pp. 8015–8023,  2012.

A. D. Ellis, M. E. McCarthy, M. A. Z. Al-Khateeb, and S. Sygletos, “Capacity limits of systems employing multiple optical phase conjugators,” Opt. Exp., vol. 23, no. 16, pp. 20381–20393,  2015.

M. E. McCarthy, M. A. Z. Al Kahteeb, F. M. Ferreira, and A. D. Ellis, “PMD tolerant nonlinear compensation using in-line phase conjugation,” Opt. Exp., vol. 24, no. 4, pp. 3385–3392,  2016.

Opt. Lett. (1)

Phys. Rev. A (1)

Z. Wang, A. Marandi, K. Wen, R. L. Byer, and Y. Yamamoto, “A coherent ising machine based on degenerate optical parametric oscillators,” Phys. Rev. A, vol. 88, p. 063853, 12, 2013.

Proc. IEEE (1)

R.-J. Essiambre and R. W. Tkach, “Capacity trends and limits of optical communication networks,” Proc. IEEE, vol. 100, no. 5, pp. 1035–1055,  2012.

Proc. SPIE (1)

K. Ishii, J. Kurumida, S. Namiki, T. Hasama, and H. Ishikawa, “Energy consumption and traffic scaling of dynamic optical path networks,” Proc. SPIE, vol. 8646, pp. 86460A-1–86460A-10, 2013.

Other (14)

L. Liet al., “Implementation efficient nonlinear equalizer based on correlated digital backpropagation,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2011, Paper OWW3.

X. Wang, I. Kim, Q. Zhang, P. Palacharla, and T. Ikeuchi, “Efficient all-optical wavelength converter placement and wavelength assignment in optical networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper W2A.52.

S. Namiki, H. Nguyen Tan, K. Solis-Trapala1, and T. Inoue, “Signal-transparent wavelength conversion and light-speed back propagation through fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.1.

J. M. Simmons, “Analysis of wavelength conversion in all-optical express backbone networks,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2002, Paper TuG2.

B. Collings, “The Next Generation of ROADM Devices for Evolving Network Applications,” presented at the Eur. Conf. Opt. Commun., Geneva, Switzerland, 2011.

A. Singhet al., “Jupiter rising: A decade of clos topologies and centralized control in Google's datacenter network,” in Proc. 2015 ACM Conf. Spec. Interest Group Data Commun., pp. 183—197, doi: .

J. Kurumidaet al., “First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper PD 1.3.

A. D. Ellis, M. A. Z. Al Khateeb, and M. E. McCarthy, “Impact of optical phase conjugation on the nonlinear shannon limit,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.2.

M. Pelusi, K. Solis-Trapala, H. Nguyen Tan, T. Inoue, and S. Namiki, “Multi-tone counter dithering of Tbit/s polarization multiplexed signals for enhanced FWM with a single pump,” presented at the Eur. Conf. Opt. Commun., Valencia, Spain, 2015, Paper We.3.6.6.

G. Parulkar, T. Tofigh, and M. De Leenheer, “SDN control of packet-over-optical networks,” presented at the Optical Fiber Commun. Conf., Los Angeles, CA, USA, 2015, Paper W1G.4.

H. Hu, R. M. Jopson, A. H. Gnauck, D. Pilori, S. Randel, and S. Chandrasekhar, “Fiber nonlinearity compensation by repeated phase conjugation in 2.048-Tbit/s WDM transmission of PDM 16-QAM channels,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, USA, 2016, Paper Th4F.3.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Nearly-ideal optical phase conjugation based nonlinear compensation system,” presented at the Optical Fiber Commun. Conf., San Francisco, CA, USA, Mar. 2014, Paper W3F.8.

K. Solis-Trapala, T. Inoue, and S. Namiki, “Signal power asymmetry tolerance of an optical phase conjugation-based nonlinear compensation system,” presented at the Eur. Conf. Opt. Commun., Cannes, France, 2014, Paper We.2.5.4.

N. KumanoK. Mukasa, S. Matsushita, and T. Yagi, “Zero dispersion-slope NZ-DSF with ultra-wide bandwidth over 300nm,” presented at the Eur. Conf. Opt. Commun., Copenhagen, Denmark, 2002, Paper PD1.4.

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