Observation of reflection feedback induced the formation of bright-dark pulse pairs in an optically pumped semiconductor laser
Author(s) -
C. H. Tsou,
H. C. Liang,
K. F. Huang,
Y. F. Chen
Publication year - 2016
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.013000
Subject(s) - optics , laser , pulse (music) , reflection (computer programming) , semiconductor laser theory , semiconductor , physics , mode locking , optoelectronics , detector , computer science , programming language
It is experimentally demonstrated that the tiny reflection feedback can lead the optically pumped semiconductor laser (OPSL) to be operated in a self-mod-locked state with a pulse train of bright-dark pulse pairs. A theoretical model based on the multiple reflections in a phase-locked multi-longitudinal-mode laser is developed to confirm the formation of bright-dark pulse pairs. The present finding can offer an important insight into the temporal dynamics in mode-locked OPSLs.
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