[1] K M Davis, K Miura, N Sugimoto, et al.. Writing waveguides in glass with a femtosecond laser [J]. Opt Lett, 1996, 21(21): 1729-1731.
[2] D Homoelle, S Wielandy, A L Gaeta, et al.. Infrared photosensitivity in silica glasses exposed to femtosecond laser pulses [J].Opt Lett, 1999, 24(18): 1311-1313.
[3] G Cerullo, R Osellame, S Taccheo, et al.. Femtosecond micromachining of symmetric waveguides at 1.5 μm by astigmatic beam focusing [J]. Opt Lett, 2002, 27(21): 1938-1940.
[4] Jing Bai, Xuewen Long, Xin Liu, et al.. Embedded optical waveguides fabricated in SF10 glass by low-repetition-rate ultrafast laser [J]. Appl Opt, 2013, 52(30): 7288-7294.
[5] Xuewen Long, Jing Bai, Xin Liu, et al.. Buried waveguide in neodymium-doped phosphate glass obtained by femtosecond laser writing using a double line approach [J]. Chin Opt Lett, 2013, 11(10): 102301.
[6] G D Marshall, M Ams, M J Withford. Direct laser written waveguide-Bragg gratings in bulk fused silica [J]. Opt Lett, 2006, 31(18): 2690-2692.
[7] A M Streltsov, N F Borrelli. Fabrication and analysis of a directional coupler written in glass by nanojoule femtosecond laser pulses [J]. Opt Lett, 2001, 26(1): 42-44.
[8] C Mauclair, G Cheng, N Huot, et al.. Dynamic ultrafast laser spatial tailoring for parallel micromachining of photonic devices in transparent materials [J]. Opt Express, 2009, 17(5): 3531-3542.
[10] Li Dongjuan, Lin Ling, Lü Baida, et al.. Polarization-dependent optical guiding in low repetition frequency femtosecond laser photowritten type II fused silica waveguides [J]. Acta Optica Sinica, 2013, 33(5): 0532001.
[12] S Taccheo, G Della Valle, R Osellame, et al.. Er:Yb-doped waveguide laser fabricated by femtosecond laser pulses [J]. Opt Lett, 2004, 29(22): 2626-2628.
[13] T Shih, R Gattass, C Mendonca, et al.. Faraday rotation in femtosecond laser micromachined waveguides [J]. Opt Express, 2007, 15(9): 5809-5814.
[14] Qiang Liu, M Ams, P Dekker, et al.. Laser written waveguides in magneto-optical glass [J]. IQEC/CLEO Pacific Rim, 2011. 1995-1997.
[15] Yudong Li, Xiangyang Gao, Meiling Jiang, et al.. Fabrication of magneto-optical microstructure by femtosecond laser pulses [J]. Chin Opt Lett, 2012, 10(10): 102201.
[16] Hou Fang, Li Weinan, Bai Jing, et al.. Femtosecond-laser-written waveguide in magnetic-optical glass [J]. Acta Optica Sinica, 2013, 33(3): 0314002.
[17] F Caccavale, F Segato, I Mansour, et al.. A finite differences method for the reconstruction of refractive index profiles from near-field measurements [J]. J Lightwave Technol, 1998, 16(7): 1348-1352.
[18] J Burghoff, S Nolte, A Unnermann. Origins of waveguiding in femtosecond laser-structured LiNbO3 [J]. Appl Phys A, 2007, 89(1): 127-132.
[19] P K Tien, D P Schinke, S L Blank. Magneto-optics and motion of the magnetization in a film-waveguide optical switch [J]. J Appl Phys, 1974, 45(7): 3059-3068.