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Considering a gain-noise model for two-mode laser system driven by a periodic signal and two-color cross-correlation noises, we calculate the power spectrum and signal-to-noise ratio (SNR) of an output signal by means of linear approximation method, and discuss the influence of the system coefficients on SNR. Results show that under a certain condition satisfied by the coefficients of the system and input signals, the stochastic resonance phenomenon may be detected in the evolution of SNR, and also at certain intensities of noise, saturation coefficient c2, cross coupling coefficient b, and input signal frequency Ω.
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Keywords:
- color noise /
- two-mode laser /
- signal-to-noise rate /
- stochastic resonance
[1] Gammaitoni L, Hanggi P, Jung P, Marchesoni F 1998 Rev. Mod. Phys. 70 223
[2] Wellens T, shatokhin V, Buchleitner A 2004 Rep. Prog. Phys. 67 45
[3] Zhang L Y, Cao L, Wu D J, Wang J 2003 Chin. Phys. Lett. 20 25
[4] Wang Z Y, Chen P J, Wang D X, Zhang L Y 2013 J. Astrophys. Astr. 34 33
[5] Wei T, Zhang L, Luo M K 2013 Acta Phys. Sin. 62 120504(in Chinese) [蔚涛, 张路, 罗懋康 2013 62 120504]
[6] Cao L, Wu D J 2003 Earophys Leet. 61 593
[7] Zhang L Y, Jin G X, Cao L, Wang Z Y 2012 Chin. Phys. B 21 120502
[8] Zhang L Y, Cao L, Zhu F H 2006 Chin. Opt. Lett. 4 30
[9] Wang Z Y, Chen P J, Zhang LY 2011 Z. Naturforsch. A 66a 411
[10] Wang Z Y, Chen P J, Zhang LY 2013 Chin. Phys. Lett. 30 099801
[11] Chen L M, Cao L, Fu H X, Qiu J L 1999 Chin. J. Lasers 26 351(in Chinese) [陈黎梅, 曹力, 傅海翔, 丘军林 1999 中国激光 26 351]
[12] Chen L M, Cao L, Qiu J L 1998 Acta. Opt. Sin. 18 391(in Chinese) [陈黎梅, 曹力, 丘军林 1998 光学学报 18 391]
[13] Zhu S Q 1992 Phys. Re. A 45 8148
[14] Zhu S Q 1994 Phys. Re. A 50 1710
[15] Luo X Q, Zhu S Q, Gao W J 2001 Chin. Phys. 10 1011
[16] Ye Q, Li J X, Yang M, Cao L 2010 Commun. Theort. Phys. 54 875
[17] Zhang L Y, Jin G X, Wang Z Y, Cao L 2014 Acta Phys. Sin. 63 024203(in Chinese) [张良英, 金国祥, 汪志云, 曹力 2014 63 024203]
[18] Cao L, Wu D J 1994 Phys. Lett. A 185 59
[19] Zhang L Y, Cao L, Wu D J2009 Commun. Theort. Phys. 52 143
[20] Zhou X J, Cao L, Wu D J 1999 Acta Opt. Sin. 19 7(in Chinese) [周小计, 曹力, 吴大进 1999 光学学报 19 7]
[21] Chen D Y, Wang Z L 2009 Chin. J. Lasers 36 119(in Chinese) [陈德彝, 王忠龙 2009 中国激光 36 119]
[22] Lin M, Zhang M L, Huang Y M 2011 Acta Phys. Sin. 60 080509(in Chinese) [林敏, 张美丽, 黄咏梅 2011 60 080509]
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[1] Gammaitoni L, Hanggi P, Jung P, Marchesoni F 1998 Rev. Mod. Phys. 70 223
[2] Wellens T, shatokhin V, Buchleitner A 2004 Rep. Prog. Phys. 67 45
[3] Zhang L Y, Cao L, Wu D J, Wang J 2003 Chin. Phys. Lett. 20 25
[4] Wang Z Y, Chen P J, Wang D X, Zhang L Y 2013 J. Astrophys. Astr. 34 33
[5] Wei T, Zhang L, Luo M K 2013 Acta Phys. Sin. 62 120504(in Chinese) [蔚涛, 张路, 罗懋康 2013 62 120504]
[6] Cao L, Wu D J 2003 Earophys Leet. 61 593
[7] Zhang L Y, Jin G X, Cao L, Wang Z Y 2012 Chin. Phys. B 21 120502
[8] Zhang L Y, Cao L, Zhu F H 2006 Chin. Opt. Lett. 4 30
[9] Wang Z Y, Chen P J, Zhang LY 2011 Z. Naturforsch. A 66a 411
[10] Wang Z Y, Chen P J, Zhang LY 2013 Chin. Phys. Lett. 30 099801
[11] Chen L M, Cao L, Fu H X, Qiu J L 1999 Chin. J. Lasers 26 351(in Chinese) [陈黎梅, 曹力, 傅海翔, 丘军林 1999 中国激光 26 351]
[12] Chen L M, Cao L, Qiu J L 1998 Acta. Opt. Sin. 18 391(in Chinese) [陈黎梅, 曹力, 丘军林 1998 光学学报 18 391]
[13] Zhu S Q 1992 Phys. Re. A 45 8148
[14] Zhu S Q 1994 Phys. Re. A 50 1710
[15] Luo X Q, Zhu S Q, Gao W J 2001 Chin. Phys. 10 1011
[16] Ye Q, Li J X, Yang M, Cao L 2010 Commun. Theort. Phys. 54 875
[17] Zhang L Y, Jin G X, Wang Z Y, Cao L 2014 Acta Phys. Sin. 63 024203(in Chinese) [张良英, 金国祥, 汪志云, 曹力 2014 63 024203]
[18] Cao L, Wu D J 1994 Phys. Lett. A 185 59
[19] Zhang L Y, Cao L, Wu D J2009 Commun. Theort. Phys. 52 143
[20] Zhou X J, Cao L, Wu D J 1999 Acta Opt. Sin. 19 7(in Chinese) [周小计, 曹力, 吴大进 1999 光学学报 19 7]
[21] Chen D Y, Wang Z L 2009 Chin. J. Lasers 36 119(in Chinese) [陈德彝, 王忠龙 2009 中国激光 36 119]
[22] Lin M, Zhang M L, Huang Y M 2011 Acta Phys. Sin. 60 080509(in Chinese) [林敏, 张美丽, 黄咏梅 2011 60 080509]
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