[1] [1] Braunstein S L, Kimble H J. Teleportation of continuous quantum variables［J］. Physics Review Letters, 1998,80(4):869-872.

[2] [2] Van Loock P, Braunstein S L. Telecloning of continuous quantum variables［J］. Physics Review Letters, 2001, 87(24): 247901.

[3] [3] Heidmann A, Horowicz R J, Reynaud S, et al.. Observation of quantum noise reduction on twin laser beams［J］. Physics Review Letters, 1987, 59(22): 2555-2557.

[4] [4] Peng K C, Pan Q, Wang H, et al.. Generation of two-mode quardrature-phase squeezing and intensity difference squeezing from a cw-NOPO［J］. Applied Physics B, 1998, 66(6): 755-758.

[5] [5] Zhang Y, Wang H, Li X Y, et al.. Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier［J］. Physics Review A, 1999, 62(2): 023813.

[6] [6] Deng Huarong, Zhang Long, Xie Yuzhou, et al.. Low Threshold 2 μm laser based on optical parametric oscillator using PPMgLN［J］. Chinese J Lasers, 2013,40(7):0702014.

[7] [7] Ikram M, Li G X, Zubairy M S. Entanglement generation in a two-mode quantum beat laser［J］. Physics Review A, 2007, 76(4): 042317.

[8] [8] Pielawa S, Morigi G, Vitali D, et al.. Generation of Einstein-Podolsky-Rosen-entangled radiation through an atomic reservoir［J］. Physics Review Letters, 2007, 98(24): 240401.

[9] [9] Li J Y, Hu X M. Enhancement of quantum correlations between Rabi sidebands via dressed population transfer［J］. Journal of Physics B, 2009, 42(5): 055501.

[10] [10] Yang Shurong, Li Yongmin, Zhang Sujing, et al.. Bright quadrature amplitude squeezed light from periodically poled KTP second harmonic generation［J］. Acta Sinica Quantum Optica, 2006, 12(2): 92-94.

[11] [11] Wan Zhenju, Feng Jinxia, Sun Zhini, et al.. Generation of bright amplitude squeezed light at 780 nm from an extra-cavity frequency doubling［J］. Acta Sinica Quantum Optica, 2014, 20(4): 271-274.

[12] [12] Gheri K M, Walls D F. Sub-shot-noise lasers without inversion［J］. Physics Review Letters, 1992,68(23): 3428-3431.

[13] [13] Manka A S, Keitel C H, Zhu S Y, et al.. Quantum theory of laser emission from driven three-level atoms［J］. Optics Communications, 1992, 94(3): 174-182.

[14] [14] H Ritsch, M A M Marte, P Zoller. Quantum noise reduction in Raman lasers［J］. Europhysics Letters, 1992, 19(1): 7-12.

[15] [15] Scully M O, Zubairy M S. Quantum Optics［M］. Cambridge: Cambridge University Press, 1997.

[16] [16] Cohen-Tannoudji C, Dupont-Roc J, Grynberg G. Atom-Photon Interactions［M］. New York: Wiley-Interscience, 1992.

[17] [17] Drummond P D, Gardiner C W. Generalized P-representations in quantum optics［J］. Journal of Physcis A, 1980,13(7): 2353-2368.