[1] [1] Walter Koechner. Solid-state Laser Engineering [M]. Berlin: Springer, 1999: 421-438.

[4] [4] Kaplan A, Ruschin S. Optical switching and power control in LiNbO3 coupled waveguide arrays [J]. IEEE Journal of Quantum Electronics, 2001, 37(12): 1562-1573.

[5] [5] Krahenbühl R, Howerton M M, Dubinger J, et al. Performance and modeling of advanced Ti: LiNbO3 digital optical switches [J]. Journal of Lightwave Technology, 2002, 20(3): 92-99.

[6] [6] Singh Ghanshyam, Yadav R P, Janyani Vijay. Design and analysis of Ti: LiNbO3 12 digital optical switch with optimized electrode regions [J]. Journal of Optical Communications, 2010, 31(2): 78-80.

[7] [7] Jung H S. 2×2,1×4 Ti:LiNbO3 digital optical switches [J]. Optical Engineering, 2007, 4 (3): 034602.