D. Yang, H. Tian, and Y. Ji, “High-bandwidth and low-loss photonic crystal power-splitter with parallel output based on the integration of Y-junction and waveguide bends,” Opt. Commun. 285, 3752–3757 (2012).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

M. Zhang, R. Malureanu, A. C. Krger, and M. Kristensen, “1×3 beam splitter for TE polarization based on self-imaging phenomena in photonic crystal waveguides,” Opt. Express 18, 14944–14948 (2010).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

X. Y. Ao, Z. F. Lin, and C. T. Chan, “One-way edge mode in a magneto-optical honeycomb photonic crystal,” Phys. Rev. B 80, 033105 (2009).

[CrossRef]

F. D. M. Haldane and S. Raghu, “Possible realization of directional optical waveguides in photonic crystals with broken time-reversal symmetry,” Phys. Rev. Lett. 100, 13904 (2008).

[CrossRef]

S. Raghu and F. D. M. Haldane, “Analogs of quantum-Hall-effect edge states in photonic crystals,” Phys. Rev. A 78, 033834 (2008).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

J. J. Feng, C. H. Zhou, B. Wang, J. J. Zheng, W. Jia, H. C. Cao, and P. Lu, “Three-port beam splitter of a binary fused-silica grating,” Appl. Opt. 47, 6638–6643 (2008).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

M. Bayindir, B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,” Appl. Phys. Lett. 77, 3902–3904 (2000).

[CrossRef]

X. Y. Ao, Z. F. Lin, and C. T. Chan, “One-way edge mode in a magneto-optical honeycomb photonic crystal,” Phys. Rev. B 80, 033105 (2009).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

M. Bayindir, B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,” Appl. Phys. Lett. 77, 3902–3904 (2000).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

X. Y. Ao, Z. F. Lin, and C. T. Chan, “One-way edge mode in a magneto-optical honeycomb photonic crystal,” Phys. Rev. B 80, 033105 (2009).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

S. Raghu and F. D. M. Haldane, “Analogs of quantum-Hall-effect edge states in photonic crystals,” Phys. Rev. A 78, 033834 (2008).

[CrossRef]

F. D. M. Haldane and S. Raghu, “Possible realization of directional optical waveguides in photonic crystals with broken time-reversal symmetry,” Phys. Rev. Lett. 100, 13904 (2008).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

D. Yang, H. Tian, and Y. Ji, “High-bandwidth and low-loss photonic crystal power-splitter with parallel output based on the integration of Y-junction and waveguide bends,” Opt. Commun. 285, 3752–3757 (2012).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

S. H. Fan, S. G. Johnson, and J. D. Joannopoulos, “Waveguide branches in photonic crystals,” J. Opt. Soc. Am. B 18, 162–165(2001).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

S. Boscolo, M. Midrio, and T. F. Krauss, “Y junctions in photonic crystal channel waveguides: high transmission and impedance matching,” Opt. Lett. 27, 1001–1003 (2002).

[CrossRef]

M. Zhang, R. Malureanu, A. C. Krger, and M. Kristensen, “1×3 beam splitter for TE polarization based on self-imaging phenomena in photonic crystal waveguides,” Opt. Express 18, 14944–14948 (2010).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

X. Y. Ao, Z. F. Lin, and C. T. Chan, “One-way edge mode in a magneto-optical honeycomb photonic crystal,” Phys. Rev. B 80, 033105 (2009).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

M. Bayindir, B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,” Appl. Phys. Lett. 77, 3902–3904 (2000).

[CrossRef]

D. M. Pozar, Microwave Engineering (Wiley, 1998).

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

S. Raghu and F. D. M. Haldane, “Analogs of quantum-Hall-effect edge states in photonic crystals,” Phys. Rev. A 78, 033834 (2008).

[CrossRef]

F. D. M. Haldane and S. Raghu, “Possible realization of directional optical waveguides in photonic crystals with broken time-reversal symmetry,” Phys. Rev. Lett. 100, 13904 (2008).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

M. Bayindir, B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,” Appl. Phys. Lett. 77, 3902–3904 (2000).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

D. Yang, H. Tian, and Y. Ji, “High-bandwidth and low-loss photonic crystal power-splitter with parallel output based on the integration of Y-junction and waveguide bends,” Opt. Commun. 285, 3752–3757 (2012).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

D. Yang, H. Tian, and Y. Ji, “High-bandwidth and low-loss photonic crystal power-splitter with parallel output based on the integration of Y-junction and waveguide bends,” Opt. Commun. 285, 3752–3757 (2012).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, “Magnet designs for a crystal-lattice quantum computer,” Appl. Phys. A 71, 11–17 (2000).

[CrossRef]

C. He, X. L. Chen, M. H. Lu, X. F. Li, W. W. Wan, X. S. Qian, R. C. Yin, and Y. F. Chena, “Tunable one-way cross-waveguide splitter based on gyromagnetic photonic crystal,” Appl. Phys. Lett. 96, 111111 (2010).

[CrossRef]

J. X. Fu, J. Lian, R. J. Liu, L. Gan, and Z. Y. Li, “Unidirectional channel-drop filter by one-way gyromagnetic photonic crystal waveguides,” Appl. Phys. Lett. 98, 211104 (2011).

[CrossRef]

M. Bayindir, B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,” Appl. Phys. Lett. 77, 3902–3904 (2000).

[CrossRef]

P. I. Borel, L. H. Frandsen, A. Harpøth, M. Kristensen, J. S. Jensen, and O. Sigmund, “Topology optimised broadband photonic crystal Y-splitter,” Electron. Lett. 41, 69–71 (2005).

[CrossRef]

Z. Y. Wang, L. F. Shen, X. M. Zhang, Y. G. Wang, Z. H. Yu, and X. D. Zheng, “Photonic crystal cavity with one-way rotating state and its coupling with photonic crystal waveguide,” J. Appl. Phys. 110, 043106 (2011).

[CrossRef]

R. Wilson, T. J. Karle, I. Moerman, and T. F. Krauss, “Efficient photonic crystal Y-junctions,” J. Opt. A 5, S76–S80 (2003).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Observation of unidirectional backscattering-immune topological electromagnetic states,” Nature 461, 772–775 (2009).

[CrossRef]

D. Yang, H. Tian, and Y. Ji, “High-bandwidth and low-loss photonic crystal power-splitter with parallel output based on the integration of Y-junction and waveguide bends,” Opt. Commun. 285, 3752–3757 (2012).

[CrossRef]

S. Boscolo, M. Midrio, and T. F. Krauss, “Y junctions in photonic crystal channel waveguides: high transmission and impedance matching,” Opt. Lett. 27, 1001–1003 (2002).

[CrossRef]

L. H. Frandsen, P. I. Borel, Y. X. Zhuang, A. Harpøth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, J. Wouters, and S. Beckx, “Ultra-low-loss 3 dB photonic crystal waveguide splitter,” Opt. Lett. 29, 1623–1625 (2004).

[CrossRef]

S. Raghu and F. D. M. Haldane, “Analogs of quantum-Hall-effect edge states in photonic crystals,” Phys. Rev. A 78, 033834 (2008).

[CrossRef]

X. Y. Ao, Z. F. Lin, and C. T. Chan, “One-way edge mode in a magneto-optical honeycomb photonic crystal,” Phys. Rev. B 80, 033105 (2009).

[CrossRef]

Z. Wang, Y. D. Chong, J. D. Joannopoulos, and M. Soljačić, “Reflection-free one-way edge modes in a gyromagnetic photonic crystal,” Phys. Rev. Lett. 100, 13905 (2008).

[CrossRef]

F. D. M. Haldane and S. Raghu, “Possible realization of directional optical waveguides in photonic crystals with broken time-reversal symmetry,” Phys. Rev. Lett. 100, 13904 (2008).

[CrossRef]

D. M. Pozar, Microwave Engineering (Wiley, 1998).