[1] Han-Bin Lin, Rei-Shin Cheng, Way-Seen Wang. Wide-angle low-loss single-mode symmetric Y-junctions[J]. IEEE Photon. Technol. Lett., 1994, 11(6): 825~827
[2] Wen-Ching Chang, Han-Bin Lin. A novel low-loss wide-angle Y-branch with a diamond-like microprism[J]. IEEE Photon. Technol. Lett., 1999, 11(6): 683~685
[3] Yang Yongjun, Chen Fushen. Novel low-loss wide-angle Y-junctions of optical waveguides with graded-index profiles[J]. Microwave and Opt. Technol. Lett., 2004, 41(2): 156~159
[4] T. Yabu, M. Geshiro, S. Sawa. New design method for low-loss Y-branch waveguides[J]. J. Lightwave Technol., 2001, 19(9): 1376~1384
[5] K. K. Chung, H. P. Chan, P. L. Chu. A 1×4 polarization and wavelength independent optical power splitter based on a novel wide-angle low-loss Y-junction[J]. Opt. Commun., 2006, 267(2): 367~372
[6] S. Y. Lin, E. Chow, J. Bur et al.. Low-loss, wide-angle Y splitter at 1.6-mm wavelengths built with a two-dimensional photonic crystal[J]. Opt. Lett., 2002, 27(16): 1400~1402
[7] L. Dekkiche, R. Naoum. Improved transmission for photonic crystal Y-junctions[J]. Electrical Engineering, 2006, 89(1): 71~77
[9] Georgios Veronis, Shanhui Fan. Bends and splitters in metal-dielectric-metal subwavelength plasmonic waveguides[J]. Appl. Phys. Lett., 2005, 87(13): 131102-1~3
[10] Han-Bin Lin, Jung-Yong Su, Rei-Shin Cheng et al.. Novel optical single-mode asymmetric Y-branches for variable power splitting[J]. IEEE J. Quant. Electron., 1999, 35(7): 1092~1096
[11] Jeehoon Han, Byoung-Joon Seo, Seong-Ku Kim et al.. Single-chip integrated electro-optic polymer photonic RF phase shifter array[J]. J. Lightwave Technol., 2003, 21(12): 3257~3261
[12] H. Sasaki, Ei-Ichi Shiki, N. Mikoshiba. Propagation characteristics of optical guided waves in asymmetric branching waveguides[J]. IEEE J. Quant. Electron., 1981, QE-17(6): 1051~1057
[13] K. Shiafuji, S. Kurazono. Transmission characteristics of optical asymmetric Y-junction with a gap region[J]. J. Lightwave Technol., 1991, 9(4): 426~429
[14] S. Suzuki, T. kitoh, Y. Inoue et al.. Integrated optic Y-branching waveguides with an asymmetric branching ratio[J]. Electron. Lett., 1996, 32(8): 735~736
[15] Yusheng Qian, Jiguo Song, Seunghyun Kim et. al.. Compact 90° trench-based splitter for silicon-on-insulator rib waveguides[J]. Opt. Express, 2007, 15(25): 16712~16718
[18] W. P. Huang, C. L. Xu. A wide-angle vector beam propagation method[J]. IEEE Photon. Technol. Lett., 1992, 4(10): 1118~1120