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

Xiaohui Fang, Ping Kong Alexander Wai, Chao Lu, Hwa Yaw Tam, Xinyong Dong

Research output: Journal article publicationJournal articleAcademic researchpeer-review

6 Citations (Scopus)

Abstract

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.
Original languageEnglish
Article number074201
JournalOptical Engineering
Volume49
Issue number7
DOIs
Publication statusPublished - 1 Jul 2010

Keywords

  • Fabry-Perot laser diode
  • high-repetition-rate pulse train
  • self-injection locking
  • transform-limited pulse train

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Engineering

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