[1] [1] Y. H. Shih, A. V. Sergienko, Morton H. Rubin. Two-photon entanglement in type-Ⅱ parametric down-conversion [J]. Phys. Rev. A, 1994, 50(1):23～28

[2] [2] Luo Yu, Li Ying, Pan Qing. Experimental generation of entangled lights from resonating frequency doubler [J]. Acta Optica Sinica, 2006, 26(2):305～310

[3] [3] A. G. White, D. F. James, P. H. Eberhard et al.. Nonmaximally entangled states: Production, characterization, and utilization [J]. Phys. Rev. Lett., 1999, 83(16):3103～3107

[4] [4] Wang Hai, Xue Chenyang, Gao Jiangrui. Quantum correlated twin beams generation through an intracavity parametric down-conversion in a pair of KTP [J]. Acta Optica Sinica, 1997, 17(8):1002～1005

[5] [5] Gao Jiangrui, Xie Changde, Peng Kunchi. Squeezing of pump light reflected from triply OPO [J]. Acta Optica Sinica, 1999, 19(11):1447～1451

[6] [6] K. S. Zhang, T. Coudreau, M. Martinelli et al.. Generation of bright squeezed light at 1.06 μm using cascaded nonlinearities in a triply resonant cw periodically-poled lithium niobate optical parametric oscillator [J]. Phys. Rev. A, 2001, 64(3):033815

[7] [7] P. D. Drummond, K. J. McNeil, D. F. Walls. Non-equilibrium transitions in sub/second harmonic generation [J]. Optica Acta, 1980, 27(3):321～335

[8] [8] N. P. Pettiaux, Ruo Ding Li, Paul Mandel. Instabilities of the degenerate optical parametric oscillator [J]. Opt. Commun., 1989, 72(3):256～260

[9] [9] K. Staliunas, V. J. Sánchez-Morcillo. Spatial-localized structures in degenerate optical parametric oscillators [J]. Phys. Rev. A, 1998, 57(2):1454～1457

[10] [10] Axelle Amon, Marc Lefranc. Topological signature of deterministic chaos in short nonstationary signals from an optical parametric oscillator [J]. Phys. Rev. Lett., 2004, 92(9):094101

[11] [11] Ma Jun, Jin Wuyin, Li Yanlong. Chaotic signal-induced dynamics of degenerate optical parametric oscillator [J]. Chaos, Solitons and Fractals, 2008, 36(2):494～499

[12] [12] Feng Xiuqin, Shen Ke. Anti-control of chaos on the degenerate optical parametric oscillator [J]. Acta Physica Sinica, 2006, 55(9):4455～4459

[13] [13] Feng Xiuqin, Shen Ke. Phase synchronization and anti-phase synchronization of chaos for degenerate optical parametric oscillator [J]. Chinese Physics, 2005, 14(8):1526～1532

[14] [14] He Xiangang, Zhou Ping, Cheng Xuefeng. Synchronization of degenerate optical parametric oscillator with different system parameter [J]. Piezoel Ectectrics & Acoustooptics, 2008, 30(2):173～179

[15] [15] K. J. McNeil, C. W. Gardiner. Quantum statistics of parametric oscillation [J]. Phys. Rev. A, 1983, 28(3):1560～1566