THE VARIETIES OF INTENSITY CORRELATION TIME WITH INPUT SIGNAL IN A SINGLE-MODE LASER WITH BIAS SIGNAL MODULATION

Author:

CHEN LI-MEI1,CAO LI23,WU DA-JIN34

Affiliation:

1. Department of Physics of Normal College, Shenzhen University, Shenzhen 518060, China

2. State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China

3. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China

4. CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China

Abstract

The varieties of intensity correlation time T with input signal are studied for gain-noise model of a single-mode laser driven by colored pump noise and colored quantum noise with colored cross-correlation with a bias signal modulation in this paper. By using the linear approximation method, it is found that a minimum (i.e. suppression) in the curves of the intensity correlation time T versus the bias current i0 exists when the noise correlation coefficient λ is negative; and the intensity correlation time T increases monotonously with the increase of i0 when λ≥0. In addition, we also analyze the curve of T versus the signal frequency Ω, find that no matter what the value of λ is, a minimum (i.e. suppression) in the T-Ω curves always exists.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Reference14 articles.

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