[1] Chun M K, Goldberg L, Weller J R. Second harmonic generation at 421 nm using injection-locked GaAlAs laser array and KNbO3. Appl. Phys. Lett., 1988, 53(13):1170～1171

[2] Kozlovsky W J et al.. Generation of 41 mW of blue radiation by frequency doubling of a GaAlAs diode laser. Appl. Phys. Lett., 1990, 56(23):2291～2292

[3] Freitay I, Golla D, Knoke S et al.. Amplitude and frequency stability of a diode-pumped Nd∶YAG laser operating at a single-frequency continuous-wave output power of 20 W. Opt. Lett., 1995, 20(5):462～464

[4] Yu Guohua, Liu Shuihua, Fang Luozhen et al.. Analysis on insertion loss and backward isolation of wedge-type polarization-independent optical isolator. Acta Optica Sinica (光学学报), 1997, 17(8):1108～1112 (in Chinese)

[5] Liu Qingju, Lin Lizhong. An optical isolator using a new type prism. Acta Optica Sinica (光学学报), 1999, 19(8):1130～1133 (in Chinese)

[6] Sakaguchi S, Sugimoto N. Multilayer films composed of periodic magneto-optical and dielectric layers for use as Faraday rotators. Opt. Commun., 1999, 162(1～3):64～70

[7] Bahlmann N et al.. Nonreciprocal coupled waveguides for integrated optical isolators and circulators for TM-mode. Opt. Commun., 1999, 161(4～6):330～337

[8] Lohmeyer M et al.. Integrated magneto-optic cross strip isolator. Opt. Commun., 2001, 189(4～6):251～259

[9] Hariharan P, Ciddor P E. Broad-band optical isolator. Opt. Laser Technol., 1997, 29(2):83～84

[10] Lin Lihuang, Chen Shisheng, Liang Xiangchum et al.. Experimetnal investigation on the Fresnel rhomb optical isolator. J. Lasers (激光), 1979, 6(11):33～38 (in Chinese)

[11] Palik E D. The use of ploarized infrared radiation in magneto-optical studies of semiconductors. Appl. Opt., 1963, 2(5):527～539