Long-Term Frequency Stabilization of 10-GHz Quantum-Dash Passively Mode-Locked Lasers

  • Kamel Merghem
  • , Cosimo Calò
  • , Vivek Panapakkam
  • , Anthony Martinez
  • , Francois Lelarge
  • , Abderrahim Ramdane

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports on the repetition frequency stability of InAs/InP quantum-dash-based mode locked lasers emitting in the 1.55-μm telecom window and of a long-term frequency stabilization schemes. We discuss the main noise sources that affect the frequency stability. In free running operation, quantum-dash-based mode locked lasers demonstrate an initial long-term stability of ∼ 10-7. In order to improve it, we developed different approaches based on electrical feedback and optical feedback loops. The stabilization systems exploit the bias-dependent frequency drift and the optical feedback sensitivity to keep repetition frequency in lock for an extensive period of time with a stability of 1.5 × 10-9.

Original languageEnglish
Article number7117353
Pages (from-to)46-52
Number of pages7
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume21
Issue number6
DOIs
Publication statusPublished - 1 Nov 2015
Externally publishedYes

Keywords

  • Mode locked semiconductor lasers
  • long-term stabilization
  • quantum dash lasers

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