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Proceedings Paper

Nonlinear dynamic characteristics of pulse injected semiconductor lasers
Author(s): Yu-Shan Juan; Hsiu-Yuan Tu; Fan-Yi Lin
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Paper Abstract

We investigate the nonlinear dynamics of a pulse injected semiconductor laser that a laser is optically injected by repetitive pulses. Rich dynamics, including both oscillation and pulsation states, are found by varying the intensity and repetition rate of the injection pulses. The laser enters into chaotic pulsation (CP) and chaotic oscillation (CO) states through individual period-double routes. Under proper injection, frequency-locked states with different winding numbers, the ratio of the oscillation relaxation frequency and the repetition frequency of the injection pulses, are observed. The winding numbers reveal a Devil's staircase structure, where a Farey tree showing the relation between the neighboring states is presented. Moreover, the bandwidth enhancement phenomenon of the chaotic states under repetitive pulse injection is also discussed.

Paper Details

Date Published: 7 January 2008
PDF: 8 pages
Proc. SPIE 6824, Semiconductor Lasers and Applications III, 682405 (7 January 2008); doi: 10.1117/12.757160
Show Author Affiliations
Yu-Shan Juan, National Tsing Hua Univ. (Taiwan)
Hsiu-Yuan Tu, National Tsing Hua Univ. (Taiwan)
Fan-Yi Lin, National Tsing Hua Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6824:
Semiconductor Lasers and Applications III
Lianghui Chen; Hiroyuki Suzuki; Paul T. Rudy; Ninghua Zhu, Editor(s)

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