Cascaded Raman lasing in a PM phosphosilicate fiber with random distributed feedback

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Abstract

We report on the first demonstration of a linearly polarized cascaded Raman fiber laser based on a simple half-open cavity with a broadband composite reflector and random distributed feedback in a polarization maintaining phosphosilicate fiber operating beyond zero dispersion wavelength (∼1400 nm). With increasing pump power from a Yb-doped fiber laser at 1080 nm, the random laser generates subsequently 8 W at 1262 nm and 9 W at 1515 nm with polarization extinction ratio of 27 dB. The generation linewidths amount to about 1 nm and 3 nm, respectively, being almost independent of power, in correspondence with the theory of a cascaded random lasing.

Original languageEnglish
Title of host publicationNonlinear Frequency Generation and Conversion
Subtitle of host publicationMaterials and Devices XVII
EditorsKL Vodopyanov, KL Schepler
PublisherSPIE
Number of pages7
Volume10516
ISBN (Electronic)9781510615175
DOIs
Publication statusPublished - 1 Jan 2018
EventNonlinear Frequency Generation and Conversion: Materials and Devices XVII 2018 - San Francisco, United States
Duration: 29 Jan 201831 Jan 2018

Publication series

NameProceedings of SPIE
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Volume10516
ISSN (Print)0277-786X

Conference

ConferenceNonlinear Frequency Generation and Conversion: Materials and Devices XVII 2018
CountryUnited States
CitySan Francisco
Period29.01.201831.01.2018

Keywords

  • Distributed-feedback lasers
  • Phosphosilicate fiber
  • Raman lasers
  • Rayleigh scattering
  • LASER
  • POWER
  • distributed-feedback lasers
  • MU-M
  • phosphosilicate fiber
  • EFFICIENCY

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