Abstract The time-domain ABCD matrix formalism is based on the propagation of a Gaussian pulse which is characterized by the pulsewidth and chirp. In this paper, the time-domain ABCD matrix of th SPM (self phase modulation) is perfected so as to acquire more information. With the time-domain ABCD matrices of amplitude modulation, filtration from the optical bandpass, group velocity dispersion and SPM, the detailed characteristics of actively mode-locked fiber laser are described and the steady-state solutions are derived for two simple cases. The application of the formalism is also helpful to understand the mechanism of mode-locking in an actively mode-locked fiber laser.
Received: 12 March 1999
Revised: 13 April 1999
Accepted manuscript online:
(Beam trapping, self-focusing and defocusing; self-phase modulation)
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 69738010) and the National High Technology Development Program of China.
Cite this article:
CHANG GUO-QING (常国庆), LUO CAI-YUN (娄采云), LI YU-HUA (李玉华), GAO YI-ZHI (高以智) NOVEL ANALYTIC THEORY FOR ACTIVELY MODE-LOCKED FIBER LASER 1999 Acta Physica Sinica (Overseas Edition) 8 838
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