Enhanced nonlinear spectral compression in fiber by external sinusoidal phase modulation

S. Boscolo, L.Kh. Mouradian, C. Finot

Research output: Contribution to journalArticlepeer-review

Abstract

We propose a new, simple approach to enhance the spectral compression process arising from nonlinear pulse propagation in an optical fiber. We numerically show that an additional sinusoidal temporal phase modulation of the pulse enables efficient reduction of the intensity level of the side lobes in the spectrum that are produced by the mismatch between the initial linear negative chirp of the pulse and the self-phase modulation-induced nonlinear positive chirp. Remarkable increase of both the extent of spectrum narrowing and the quality of the compressed spectrum is afforded by the proposed approach across a wide range of experimentally accessible parameters.
Original languageEnglish
Article number105504
Number of pages7
JournalJournal of Optics
Volume18
Issue number10
DOIs
Publication statusPublished - 22 Sep 2016

Bibliographical note

© 2016 IOP Publishing Ltd

Keywords

  • spectral compression
  • nonlinear propagation
  • phase modulation
  • optical fiber

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