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Proceedings Paper

Dynamical characteristics of a semiconductor laser injected by optical pulses with high repetition rate
Author(s): Yu-Shan Juan; Fan-Yi Lin
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Paper Abstract

The nonlinear dynamics of a semiconductor laser (slave laser) injected by optical pulses with high repetition rate are investigated experimentally. The pulses for injection are generated from a laser (master laser) subjected to either an optoelectronic feedback or an optical feedback. The repetition rates of the pulses are controlled by varying the delay time and the feedback strength of the feedback loop. By injecting the repetitive optical pulses of different intensities and repetition frequencies into another laser (slave laser), rich dynamical states including regular pulsations, frequency beatings, and chaotic pulsations are observed. Moreover, frequency-locked states with different winding number, the ratio of the main pulsation frequency of the slave laser and the repetition frequency of the injected pulses, are also found. Compared to a laser subject to a sine modulated optical injection, the linewidths of the high-order microwave components in the output spectrum of the slave laser are substantially narrower for the laser under repetitive optical pulse injection.

Paper Details

Date Published: 8 May 2008
PDF: 7 pages
Proc. SPIE 6997, Semiconductor Lasers and Laser Dynamics III, 69971P (8 May 2008); doi: 10.1117/12.780956
Show Author Affiliations
Yu-Shan Juan, National Tsing Hua Univ. (Taiwan)
Fan-Yi Lin, National Tsing Hua Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6997:
Semiconductor Lasers and Laser Dynamics III
Krassimir P. Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s)

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