[1] Arimondo E. V coherent population trapping in laser spectroscopy[J]. Progress in Optics, 35, 257-354(1996).

[2] Wynands R, Nagel A. Precision spectroscopy with coherent dark states[J]. Applied Physics B, 68, 1-25(1999).

[3] Boller K J, Imamoğlu A, Harris S E et al. Observation of electromagnetically induced transparency[J]. Physical Review Letters, 66, 2593-2596(1991).

[4] Harris S E, Field J E, Imamoglu A et al. Nonlinear optical processes using electromagnetically induced transparency[C], 317-318(1990).

[5] Grove T T, Shahriar M S, Hemmer P R et al. Distortion-free gain and noise correlation in sodium vapor with four-wave mixing and coherent population trapping[J]. Optics Letters, 22, 769-771(1997).

[6] Wang H, Goorskey D, Xiao M et al. Enhanced Kerr nonlinearity via atomic coherence in a three-level atomic system[J]. Physical Review Letters, 87, 073601(2001).

[7] Wang H, Goorskey D, Xiao M et al. Dependence of enhanced Kerr nonlinearity on coupling power in a three-level atomic system[J]. Optics Letters, 27, 258-260(2002).

[8] Wang H, Goorskey D J, Xiao M et al. Atomic coherence induced Kerr nonlinearity enhancement in Rb vapour[J]. Journal of Modern Optics, 49, 335-347(2002).

[9] Wang H, Goorskey D, Xiao M et al. Controlling the cavity field with enhanced Kerr nonlinearity in three-level atoms[J]. Physical Review A, 65, 051802(2002).

[10] Wang H, Goorskey D, Xiao M et al. Controlling light by light with three-level atoms inside an optical cavity[J]. Optics Letters, 27, 1354-1356(2002).

[11] Zhang J S, Zhang H J, Sun H et al. Controlling optical bistability through quantum coherence in tin-vacancy color centers in diamond[J]. Acta Optica Sinica, 40, 1219001(2020).

[12] Zhang Y P, Brown A W, Xiao M et al. Opening four-wave mixing and six-wave mixing channels via dual electromagnetically induced transparency windows[J]. Physical Review Letters, 99, 123603(2007).

[13] Yuen H P, Shapiro J H. Generation and detection of two-photon coherent states in degenerate four-wave mixing[J]. Optics Letters, 4, 334-336(1979).

[14] McCormick C F, Boyer V, Arimondo E et al. Strong relative intensity squeezing by four-wave mixing in rubidium vapor[J]. Optics Letters, 32, 178-180(2007).

[15] Boyer V, Marino A M, Pooser R C et al. Entangled images from four-wave mixing[J]. Science, 321, 544-547(2008).

[16] Wang L, Jing J T. Theoretical research on optimization of signal-noise ratio based on cascaded four-wave mixing system[J]. Acta Optica Sinica, 37, 0719001(2017).

[17] Zhang S Q, Li W, Li K K et al. Triphoton correlations in six-wave mixing[J]. Annals of Physics, 412, 168000(2020).

[18] Liu Y T, Niu Y P, Lin G W et al. Enhancement of fifth-order nonlinearity induced by atomic coherence[J]. Acta Optica Sinica, 37, 0719002(2017).

[19] Li Z H. The quantum noise properties of probe light in atomic coherent media[D], 69-79(2012).

[20] Zhang Y P, Brown A W, Xiao M et al. Observation of interference between four-wave mixing and six-wave mixing[J]. Optics Letters, 32, 1120-1122(2007).

[21] Zhang Y P, Xiao M. Enhancement of six-wave mixing by atomic coherence in a four-level inverted Y system[J]. Applied Physics Letters, 90, 111104(2007).