Moments of the intensity of a single-mode laser driven by coloured pump noises with a cross-correlation between the real and imaginary parts of the quantum noise

2004 ◽  
Vol 13 (3) ◽  
pp. 353-358 ◽  
Author(s):  
Zhang Li ◽  
Cao Li ◽  
Wu Da-Jin
Keyword(s):  
Cross Correlation ◽  
Quantum Noise ◽  
Single Mode ◽  
Mode Laser ◽  
The Real ◽  
Single Mode Laser

Stationary properties in a single-mode laser with cross-correlation between quantum noise terms

2001 ◽  
Vol 281 (2-3) ◽  
pp. 113-118 ◽  
Author(s):  
S.Z. Ke ◽  
L. Cao ◽  
D.J. Wu ◽  
K.L. Yao
Keyword(s):  
Cross Correlation ◽  
Quantum Noise ◽  
Single Mode ◽  
Mode Laser ◽  
Single Mode Laser

STOCHASTIC RESONANCE IN A SINGLE-MODE LASER DRIVEN BY QUADRATIC COLORED PUMP NOISE AND QUANTUM NOISE WITH CROSS-CORRELATION BETWEEN REAL AND IMAGINARY PARTS OF NOISE

2009 ◽  
Vol 23 (22) ◽  
pp. 4665-4674
Author(s):  
DE-SHENG XU ◽  
LI CAO ◽  
DA-JIN WU
Keyword(s):  
Stochastic Resonance ◽  
Cross Correlation ◽  
Quantum Noise ◽  
Signal To Noise Ratio ◽  
Single Mode ◽  
Noise Model ◽  
Signal Frequency ◽  
Mode Laser ◽  
Single Mode Laser ◽  
Modern Physics

Based on the single-mode laser noise model driven by quadratic colored pump noise and quantum noise with cross-correlation between real and imaginary parts of noise proposed in International Journal of Modern Physics B20, 5383 (2006) and Phys. Rev. E 73, 023802 (2006), the stochastic resonance (SR) of laser intensity is investigated by virtue of the linearized approximation. The analytic expression of signal-to-noise ratio (SNR) is calculated. It is found that the phenomena of stochastic resonance respectively exist in the curves of the SNR versus the noise cross-correlation coefficient λp and the SNR versus the pump parameter a, as well as the SNR versus the signal frequency [Formula: see text] for the model. It is shown that there are three different types of SR in the model: the conventional form of SR, the SR in the broad sense and the bona fide SR.

THE RELAXATION TIME OF A SINGLE-MODE LASER SYSTEM DRIVEN BY PUMP AND QUANTUM NOISES WITH REAL AND IMAGINARY PARTS CORRELATED

2009 ◽  
Vol 23 (22) ◽  
pp. 2607-2614
Author(s):  
BING WANG ◽  
YONG-XIN TANG ◽  
SHAO-PING YAN ◽  
JIAN-QIU ZHANG
Keyword(s):  
Relaxation Time ◽  
Quantum Noise ◽  
Laser System ◽  
Operator Method ◽  
Single Mode ◽  
Noise Strength ◽  
Mode Laser ◽  
The Real ◽  
Single Mode Laser ◽  
The Mean

Based on the Fokker–Planck description of a single-mode laser system and the projection operator method, the mean relaxation time T of a single-mode laser system with correlations between the real and imaginary parts of the quantum noise as well as the pump noise is studied. It is found that the mean relaxation time T increases with the increasing net gain a0 and decreases with the increasing self-saturation coefficient A. T increases with the increasing pump noise strength Q but decreases with the increasing quantum noise strength D. The mean relaxation time T increases (decreases) with the increasing pump noise self-correlation time τ if a0 > 0 (a0 < 0). T decreases with the increasing |λ| (λ is the coefficient of cross-correlation between the real and imaginary parts of the quantum noise).

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