[1] K. A. McGreer. Diffraction from concave gratings in planar waveguides [J]. IEEE Photon. Technol. Lett., 1995, 7(3):324～326

[3] Fuyuan Guo, Minghua Wang. Spectral response characteristics of concave grating demultiplexer [C]. SPIE, 2006, 6351:63511R-1～63511R-11

[4] D. Marcuse. Loss analysis of single-mode fiber splices [J]. Bell System Technical Journal, 1977, 56(5):703～718

[5] Jun-Idii Sakai, Tatsuya Kimura. Design of a miniature lens for semiconductor laser to single-mode fiber coupling [J]. IEEE J. Quantum Electron., 1980, QE-16(10):1059～1067

[11] K. Hayata, M. Koshiba, M. Suzuki. Modal spot size of axially nonsymmetrical fibres [J]. Electron. Lett., 1986, 22(2):127～129

[12] An-Hui Liang, Wei-Bin Huang, Chong-Cheng Fan. Relation between three mode field half-width definitions for single-mode planar waveguide and application to splice-loss evaluation [J]. J. Lightwave Technol., 1989, 7(12):2046～2051