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High-repetition-rate pulse generation using dual-mode self-injection locking in a Fabry-Perot laser diode

Source: Opt. Eng. 49, 074201 (2010); doi:10.1117/1.3456597

Published 8 July 2010

KEYWORDS and PACS
Keywords
PACS
  • 42.65.Re
    Ultrafast processes; optical pulse generation and pulse compression
  • 42.79.Dj
    Gratings
  • 42.65.Jx
    Beam trapping, optical self-focusing and defocusing
  • YEAR: 2010
PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef SPIE
Xiaohui Fang
The Hong Kong Polytechnic University, Photonics Research Center and Department of Electronic and Information Engineering, Hung Hom, Kowloon, Hong Kong and Gannan Normal University, School of Physics and Electronic Information, Jiangxi, China and Ningbo University of Technology, School of Electronic and Information Engineering, Ningbo, China

P. K. A. Wai and Chao Lu
The Hong Kong Polytechnic University, Photonics Research Center and Department of Electronic and Information Engineering, Hung Hom, Kowloon, Hong Kong

H. Y. Tam and Xinyong Dong
The Hong Kong Polytechnic University, Photonics Research Center and Department of Electrical Engineering, Hung Hom, Kowloon, Hong Kong
A novel and simple method is presented to generate a tunable high-repetition-rate pulse train based on dual-mode self-injection locking of a Fabry-Perot laser diode (FP-LD). Two fiber Bragg gratings (FBGs) are used in the experiment as feedback components. The two self-injection-locked modes evolve into a high-power, high-repetition-rate pulse train through the interplay between self-phase modulation and anomalous dispersion in a highly nonlinear fiber. A 139.6-GHz transform-limited pulse train with a peak power of 120  mW is generated. The pulsewidth is 1.7  ps, and the time-bandwidth product is 0.31. The repetition rate can be tuned by tuning the Bragg wavelengths of one of the two or both FBGs to coincide with other FP-LD modes. The output pulse is stable. ©2010 Society of Photo-Optical Instrumentation Engineers
History: Received 25 December 2009; revised 6 April 2010; accepted 6 May 2010; published 8 July 2010
Permalink: http://dx.doi.org/10.1117/1.3456597

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