[1] [1] Tang Yanzhe, Jia Kemiao, Li Baiyang et al.. Silica-based arrayed waveguide grating with flattened spectral response using a multimode interference coupler[J]. Chin. Phys. Lett., 2004, 21(6): 1064～1066

[4] [4] Lu Si, Yan Yingbai, Jin Guofan et al.. Polymeric flat focal field arrayed waveguide grating using electron-beam direct wiring[J]. Chin. Opt. Lett., 2004, 2(6): 362～363

[6] [6] C. Dragone. Efficient N×N star coupler based on Fourier optics[J]. Electron. Lett., 1988, 24(15): 942～944

[7] [7] C. Dragone. Efficient N×N star couplers using Fourier optics[J]. J. Lightwave Technol., 1989, 7(3): 479～489

[12] [12] Araz Yacoubian, Weiping Lin, David Olson et al.. Electro-optic modulator coupling loss improvement by tapering waveguides and fibers[C]. IEEE Proc. of Aerospace Conference, 2001, 3: 1481～1488