Wavelength switching in an actively mode-locked Fabry-Perot laser diode with a highly dispersive external cavity

Young Jae Kim, Dug Young Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We demonstrate a simple and reliable scheme for wavelength switching in an actively harmonic mode locked Fabry-Perot laser diode (FPLD) that is coupled to a highly dispersive external fiber cavity. Wavelength switching between FPLD modes is achieved by detuning of the modulation frequency applied to the FPLD. A side-mode suppression ratio of as much as 40 dB is maintained, and the supermode noise suppression ratio is more than 50 dB for the whole wavelength switching operation range of 4.7 nm when the pulse repetition rate is ∼2 GHz. The wavelength-switching mechanism of our laser is based on the wavelength-dependent cavity resonance frequency shift that is due to chromatic dispersion, and we verify that our experimental results closely coincide with analytical results.

Original languageEnglish
Pages (from-to)3361-3366
Number of pages6
JournalApplied Optics
Volume45
Issue number14
DOIs
Publication statusPublished - 2006 May 10

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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