Abstract

Novel broadband operating 1×8 channel wavelength-division-multiplexed (WDM) optical filter is proposed and experimentally demonstrated. The proposed 1×8 channel WDM filter is composed of third-stage delayed interferometers with point-symmetric Mach-Zehnder type wavelength insensitive couplers (PS-MZ-WINCs). We verify that the PS-MZ-WINC operates as a key component for the broadband operating WDM optical filter in terms of good interchannel balance and low crosstalk without accompanying with an additional excess loss. The fabricated silicon-nanowire 1×8 channel WDM filter with the channel spacing of ∼9-nm exhibited a clear demultiplexing filter response over the wavelength range of >100-nm in the O-band regime, together with interchannel balance of <0.5 dB, and low excess loss of <0.9 dB. The proposed scheme could be very effective for increasing channel count and/or channel spacing for several kinds of WDM applications.

© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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Flat-topped and low loss silicon-nanowire-type optical MUX/DeMUX employing multi-stage microring resonator assisted delayed Mach-Zehnder interferometers

Seok-Hwan Jeong, Shinsuke Tanaka, Tomoyuki Akiyama, Shigeaki Sekiguchi, Yu Tanaka, and Ken Morito
Opt. Express 20(23) 26000-26011 (2012)

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    [Crossref]
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2019 (1)

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

2018 (5)

2017 (1)

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

2014 (1)

2013 (2)

Z. Xiao, X. Luo, P. H. Lim, P. Prabhathan, S. T. H. Silalahi, T. Y. Liow, J. Zhang, and F. Luan, “Ultra-compact low loss polarization insensitive silicon waveguide splitter,” Opt. Express 21(14), 16331–16336 (2013).
[Crossref]

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
[Crossref]

2012 (1)

Y. A. Vlasov, “Silicon CMOS-integrated nano-photonics for computer and data communications beyond 100G,” IEEE Commun. Mag. 50(2), s67–s72 (2012).
[Crossref]

2010 (1)

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

2009 (2)

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

J. Van Campenhout, W. M. J. Green, S. Assefa, and Y. A. Vlasov, “Low-power, 2 × 2 silicon electro-optic switch with 110-nm bandwidth for broadband reconfigurable optical networks,” Opt. Express 17(26), 24020–24029 (2009).
[Crossref]

1997 (1)

T. Goh, S. Suzuki, and A. Sugita, “Estimation of waveguide phase error in silica-based waveguides,” J. Lightwave Technol. 15(11), 2107–2113 (1997).
[Crossref]

1996 (1)

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Agrawal, G. P.

G. P. Agrawal, Lightwave Technology: Telecommunication Systems (Wiley, 2005), chap. 9, pp. 351–353.

Akiyama, T.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Alexoudi, T.

Alic, N.

L. Han, B. P. Kuo, A. Pejkic, N. Alic, and N. Radic, “50 GHz silicon cascaded Mach-Zehnder wavelength filter and automatic phase error correction,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), W3B.3

Aoki, T.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Arakawa, Y.

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
[Crossref]

Assefa, S.

J. Van Campenhout, W. M. J. Green, S. Assefa, and Y. A. Vlasov, “Low-power, 2 × 2 silicon electro-optic switch with 110-nm bandwidth for broadband reconfigurable optical networks,” Opt. Express 17(26), 24020–24029 (2009).
[Crossref]

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Barwicz, T.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Basak, J.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Bohn, M.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Broeke, R.

Chang, L.

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

Chetrit, Y.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Cunningham, J. E.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Dabos, G.

De Heyn, P.

Ellis-Monaghan, J.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Fujita, T.

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
[Crossref]

Gill, D. M.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Goh, T.

T. Goh, S. Suzuki, and A. Sugita, “Estimation of waveguide phase error in silica-based waveguides,” J. Lightwave Technol. 15(11), 2107–2113 (1997).
[Crossref]

Gong, Y.

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

Green, W.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Green, W. M. J.

Gu, X.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Haensch, W.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Han, L.

L. Han, B. P. Kuo, A. Pejkic, N. Alic, and N. Radic, “50 GHz silicon cascaded Mach-Zehnder wavelength filter and automatic phase error correction,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), W3B.3

Hatori, N.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Hayakawa, A.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Hida, Y.

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Ho, R.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Hochberg, M.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Hofrichter, J.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Horikawa, T.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

S.-H. Jeong, D. Shimura, T. Simoyama, M. Seki, N. Yokoyama, M. Ohtsuka, K. Koshino, T. Horikawa, Y. Tanaka, and K. Morito, “Si-nanowire-based multistage delayed Mach–Zehnder interferometer optical MUX/DeMUX fabricated by an ArF-immersion lithography process on a 300 mm SOI wafer,” Opt. Lett. 39(13), 3702–3705 (2014).
[Crossref]

Horst, F.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Jeong, S.-H.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

S.-H. Jeong and Y. Tanaka, “Silicon-wire optical demultiplexers based on multistage delayed Mach–Zehnder interferometers for higher production yield,” Appl. Opt. 57(22), 6474–6480 (2018).
[Crossref]

S.-H. Jeong and Y. Tanaka, “Silicon wire delayed interferometric wavelength division multiplexing filters operating in the broad spectral range,” J. Opt. Soc. Am. B 35(8), 1871–1877 (2018).
[Crossref]

S.-H. Jeong, D. Shimura, T. Simoyama, M. Seki, N. Yokoyama, M. Ohtsuka, K. Koshino, T. Horikawa, Y. Tanaka, and K. Morito, “Si-nanowire-based multistage delayed Mach–Zehnder interferometer optical MUX/DeMUX fabricated by an ArF-immersion lithography process on a 300 mm SOI wafer,” Opt. Lett. 39(13), 3702–3705 (2014).
[Crossref]

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Jinguji, K.

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Kamlapurkar, S.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Kanellos, G. T.

Kawachi, M.

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Khater, M.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Kiewra, E.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Kinoshita, K.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Kitoh, T.

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Koka, P.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Koshino, K.

Krishnamoorthy, A. K.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Kuo, B. P.

L. Han, B. P. Kuo, A. Pejkic, N. Alic, and N. Radic, “50 GHz silicon cascaded Mach-Zehnder wavelength filter and automatic phase error correction,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), W3B.3

Lexau, J.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Li, G.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Li, Z.

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

Liao, L.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Lim, P. H.

Liow, T. Y.

Liu, A.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Liu, L.

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

Luan, F.

Luo, X.

Magill, P.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Mitsolidou, C.

Mogami, T.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Mori, T.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Morito, K.

Nakamura, T.

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
[Crossref]

Nguyen, H.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Nishizawa, M.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Novack, A.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Offrein, B.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Ohtsuka, M.

Okayama, H.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Oonawa, Y.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

Pan, H.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Paniccia, M.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Pejkic, A.

L. Han, B. P. Kuo, A. Pejkic, N. Alic, and N. Radic, “50 GHz silicon cascaded Mach-Zehnder wavelength filter and automatic phase error correction,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), W3B.3

Pitris, S.

Pleros, N.

Prabhathan, P.

Proesel, J.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Radic, N.

L. Han, B. P. Kuo, A. Pejkic, N. Alic, and N. Radic, “50 GHz silicon cascaded Mach-Zehnder wavelength filter and automatic phase error correction,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), W3B.3

Reinholm, C.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Rice, P.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Rosenberg, J.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Rubin, D.

A. Liu, L. Liao, Y. Chetrit, J. Basak, H. Nguyen, D. Rubin, and M. Paniccia, “Wavelength division multiplexing circuit on silicon-on-insulator platform,” IEEE J. Sel. Top. Quantum Electron. 16(1), 23–32 (2010).
[Crossref]

Rylyakov, A.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Sasaki, H.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

Schow, C.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Schwetman, H.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Scordo, D.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Seki, M.

Sekiguchi, S.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Shank, S.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Shi, Y.

H. Xu and Y. Shi, “Flat-top CWDM (De)multiplexer based on MZI with bent directional couplers,” IEEE Photonics Technol. Lett. 30(2), 169–172 (2018).
[Crossref]

Shiina, A.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Shimura, D.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

S.-H. Jeong, D. Shimura, T. Simoyama, M. Seki, N. Yokoyama, M. Ohtsuka, K. Koshino, T. Horikawa, Y. Tanaka, and K. Morito, “Si-nanowire-based multistage delayed Mach–Zehnder interferometer optical MUX/DeMUX fabricated by an ArF-immersion lithography process on a 300 mm SOI wafer,” Opt. Lett. 39(13), 3702–3705 (2014).
[Crossref]

Shubin, I.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Silalahi, S. T. H.

Simoyama, T.

S.-H. Jeong, D. Shimura, T. Simoyama, M. Seki, N. Yokoyama, M. Ohtsuka, K. Koshino, T. Horikawa, Y. Tanaka, and K. Morito, “Si-nanowire-based multistage delayed Mach–Zehnder interferometer optical MUX/DeMUX fabricated by an ArF-immersion lithography process on a 300 mm SOI wafer,” Opt. Lett. 39(13), 3702–3705 (2014).
[Crossref]

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Sobu, Y.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Streshinsky, M.

M. Bohn, P. Magill, M. Hochberg, D. Scordo, A. Novack, and M. Streshinsky, “Next-generation silicon photonic interconnect solutions,” in Proc OFC 2019, (Optical Society of America, Washington, D.C., 1900), M3J.3

Sugama, A.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Sugita, A.

T. Goh, S. Suzuki, and A. Sugita, “Estimation of waveguide phase error in silica-based waveguides,” J. Lightwave Technol. 15(11), 2107–2113 (1997).
[Crossref]

Suzuki, S.

T. Goh, S. Suzuki, and A. Sugita, “Estimation of waveguide phase error in silica-based waveguides,” J. Lightwave Technol. 15(11), 2107–2113 (1997).
[Crossref]

Takahashi, H.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Takato, N.

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, “Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations,” J. Lightwave Technol. 14(10), 2301–2310 (1996).
[Crossref]

Tanaka, S.

T. Akiyama, T. Aoki, T. Simoyama, A. Sugama, S. Sekiguchi, Y. Sobu, S. Tanaka, Y. Tanaka, S.-H. Jeong, M. Nishizawa, N. Hatori, A. Hayakawa, and T. Mori, “Error-free loopback of a compact 25Gb/s × 4ch WDM transceiver assembly incorporating silicon (De)multiplexer with automated phase-error correction,” in Proc OFC 2018, (Optical Society of America, Washington, D.C., 1900), W1I.2

Tanaka, Y.

Tokushima, M.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

Topuria, T.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Urino, Y.

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
[Crossref]

Ushida, J.

T. Horikawa, D. Shimura, H. Okayama, S.-H. Jeong, H. Takahashi, J. Ushida, Y. Sobu, A. Shiina, M. Tokushima, K. Kinoshita, and T. Mogami, “A 300-mm silicon photonics platform for large-scale device integration,” IEEE J. Sel. Top. Quantum Electron. 24(4), 1–15 (2018).
[Crossref]

van Campenhout, J.

Vlasov, Y.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Vlasov, Y. A.

Xiao, Z.

Xu, H.

H. Xu and Y. Shi, “Flat-top CWDM (De)multiplexer based on MZI with bent directional couplers,” IEEE Photonics Technol. Lett. 30(2), 169–172 (2018).
[Crossref]

Yaegashi, H.

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

Yang, M.

S. Assefa, S. Shank, W. Green, M. Khater, E. Kiewra, C. Reinholm, S. Kamlapurkar, A. Rylyakov, C. Schow, F. Horst, H. Pan, T. Topuria, P. Rice, D. M. Gill, J. Rosenberg, T. Barwicz, M. Yang, J. Proesel, J. Hofrichter, B. Offrein, X. Gu, W. Haensch, J. Ellis-Monaghan, and Y. Vlasov, “Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing,” in Proceedings of 2012 IEEE International Electron Devices Meeting (IEEE, 2012), paper 33.8.

Yokoyama, N.

Yu, Y.

L. Chang, Y. Gong, L. Liu, Z. Li, and Y. Yu, “Low-loss broadband silicon-on-insulator demultiplexers in the O-band,” IEEE Photonics Technol. Lett. 29(15), 1237–1240 (2017).
[Crossref]

Zhang, J.

Zheng, X.

A. K. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97(7), 1337–1361 (2009).
[Crossref]

Appl. Opt. (1)

Electron. Lett. (1)

Y. Oonawa, H. Okayama, D. Shimura, H. Takahashi, H. Yaegashi, and H. Sasaki, “Polarisation insensitive wavelength de-multiplexer using arrayed waveguide grating and polarisation rotator/splitter,” Electron. Lett. 55(8), 475–476 (2019).
[Crossref]

IEEE Commun. Mag. (2)

Y. A. Vlasov, “Silicon CMOS-integrated nano-photonics for computer and data communications beyond 100G,” IEEE Commun. Mag. 50(2), s67–s72 (2012).
[Crossref]

Y. Arakawa, T. Nakamura, Y. Urino, and T. Fujita, “Silicon photonics for next generation system integration platform,” IEEE Commun. Mag. 51(3), 72–77 (2013).
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Figures (7)

Fig. 1.
Fig. 1. Schematic diagrams of 1×8 channel multistage delayed interferometric (MDI) WDM filter schemes based on (a) directional couplers (DCs) [6], (b) Y-axis-symmetric Mach-Zehnder wavelength insensitive couplers (YS-MZ-WINCs) [12] and (c) proposed point-symmetric Mach-Zehnder wavelength insensitive couplers (PS-MZ-WINCs).
Fig. 2.
Fig. 2. (a) Top views of (a) DC and (b) WINC used in 1×8 channel MDI-type WDM filters, cross-sectional view of (c) waveguide and (d) coupling region, together with (e) the corresponding calculated coupling ratios for DC and WINC.
Fig. 3.
Fig. 3. Calculated spectral characteristics for 1×8 channel MDI-type WDM filters based on (a) normal DCs [Fig. 1(a)], (b) YS-MZ-WINCs [Fig. 1(b)], and (c) PS-MZ-WINCs [Fig. 1(c)].
Fig. 4.
Fig. 4. Top view of fabricated Si-nanowire 1×8 channel MDI-type WDM optical filter based on PS-MZ-WINCs.
Fig. 5.
Fig. 5. Measured spectra for proposed 1×8 channel WDM filter based on PS-MZ-WINCs.
Fig. 6.
Fig. 6. Measured spectra for proposed 1×8 channel WDM filter when the light was launched from (a) Input-1 or Input-5, (b) Input-2, (c) Input-4, and their corresponding calculated spectra with fitting conditions: (d) fitted to (a), (e) fitted to (b), and (f) fitted to (c). Dotted lines in (d)-(f) indicate spectra with no excess phase deviation (δW1W2=0.47π rad.).
Fig. 7.
Fig. 7. Calculated spectra for proposed 1×8 channel WDM filter with the light input from Input-3: (a) same fitting condition in Fig. 6, and (b) nearly ideal state (δW1=+0.50π [rad.], δW1=+0.45π [rad.])

Tables (2)

Tables Icon

Table 1. Relation of optical path difference and amount of phase shift at each DI for three kinds of 1×8 channel WDM optical filters

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Table 2. Performance comparison for all-passive-type silicon-wire-based WDM filters from the viewpoint of channel count, operating wavelength range, excess loss and spectral crosstalk

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