[1] YOON Ki-hong, OH Kwang-ryong, KIM Ki-soo, et al. Monolithically integrated tunable laser using double-ring resonators with a tilted multimode interference coupler［J］. IEEE Photonics Technology Letters, 2009, 21(13): 851-853.
[2] TSAO Shyh-lin, GUO Huang-chen, CHEN Yi-jr. Design of a 2×2 MMI MZI SOI electro-optic switch covering C band and S band［J］.Microwave and Optical technology Letters, 2002, 33(4): 262-265.
[3] NAGAI Shuichi, MORISHIMA Goh, INAYOSHI Hirokazu, et al. Multimode interference photonic switches［J］. Journal of Lightwave Technology, 2002, 20(4): 675-681.
[4] HEATON J M, JENKINS R M, WIGHT D R, et al. Novel 1-to-N way integrated optical beam splitters using symmetric mode mixing in GaAs/AlGaAs multimode waveguides［J］.Applied Physics Letters, 1992, 61(15): 1754-1756.
[5] HOSSEINI Amir, KWONG David N, ZHANG Yang, et al. 1×N Multimode interference beam splitter design techniques for on-chip optical interconnections［J］. IEEE Journal of Selected Topics in Quantum Electronics, 2011, 17(3): 510-515.
[6] SHI Y C, DAI D X, Design of a compact multimode interference coupler based on deeply-etched SiO2 ridge waveguides［J］. Optics Communications, 2007, 217(2): 404-407.
[7] CHEN Ting, DAI Dao-xin. Design of a compact multimode interference power splitter based on deeply-etched SiO2 ridge waveguide［J］. Acta Photonic Sinica, 2008, 37(11): 2150-2154.
[9] TOMOFUJI Shin-ji, MATSUO Shin-ji, KAKITSUKA Takaaki, et al. Dynamic switching characteristics of InGaAsP/InP multimode interference optical waveguide switch［J］.Optics Express, 2009, 17(26): 23380-23388.
[10] KUDO Koji, YASHIKI Kenichiro, SASAKI Tatsuya, et al.1.55 μm Wavelength-selectable microarray DFB-LD′s with monoli- thically integrated MMI combiner, SOA, and EA-modulator［J］. IEEE Photonics Technology Letters, 2000, 12(3): 242-244.
[11] YASHIKI Kenichiro, SATO Kenji, MORIMOTO Takao,et al. Wavelength-selectable light sources fabricated using advanced microarray selective epitaxy［J］. IEEE Photonics Technology Letters, 2004, 16(7): 1619-1621.
[12] HATAKEYAMA Hiroshi, KUDO Koji, YOKOYAMA Yoshi- taka, et al. Wavelength-selectable microarray light sources for wide band DWDM applications［J］. IEEE Journal of Selected Topics in Quantum Electronics, 2002, 8(6): 1341 -1348.
[13] SOLDANO Lucas B, PENNINGS Eric C M. Optical multimode interference devices based on self-imaging: principles and applications［J］. Journal of Lightwave Technology, 1995, 13(4): 615-627.
[14] KAPANY N S, BURKE J J. Optical waveguides［M］. New York: Academic, 1992.
[15] KAPRON F P, KECK D B, MAURER R D. Radiation losses glass optical waveguides［J］ . Applied Physics Letters, 1970, 17(10): 423-425.
