Parallel fiber amplifiers with carrier-envelope drift control for coherent combination of optical frequency combs

  • Kangwen Yang*
  • , Wenxue Li
  • , Xuling Shen
  • , Jian Zhao
  • , Dongbi Bai
  • , Qitian Ru
  • , Heping Zeng
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We demonstrated an active feed-forward method for compensating the relative phase drifts of fiber optical amplifiers. The frequency drifts of relative phase noise were well controlled in a variation range from ± 15 Hz of free-running, to approximately ± 1.5 Hz between the amplifier input and output. Coherent combination of two femtosecond fiber chirped-pulse amplifiers seeded by a Ti:S comb oscillator was achieved, which would benefit frequency comb combination to achieve high accuracy and high power.

Original languageEnglish
Article number125101
JournalLaser Physics
Volume24
Issue number12
DOIs
StatePublished - 1 Dec 2014
Externally publishedYes

Keywords

  • laser amplifiers
  • laser beam combining
  • phase noise control

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