The effect of polarization in passive coherent beam combining of fiber lasers

Hung Sheng Chiang, James R. Leger, Emese Huszar, Johan Nilsson, Jayanta Sahu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A Yb-doped, dual-core, double-clad, polarization-maintaining fiber is used to demonstrate passive coherent beam combining. A homemade Dammann grating is employed as a passive beam-combining optical element. Self-phasing is observed in this laser system, where we attribute the self-phasing behavior to the Kramers-Kronig effect. We experimentally demonstrate the importance of polarization on coherent beam combining efficiency as well as on Kramers-Kronig induced self-phasing.

Original languageEnglish (US)
Title of host publicationFiber Lasers XI
Subtitle of host publicationTechnology, Systems, and Applications
PublisherSPIE
ISBN (Print)9780819498748
DOIs
StatePublished - 2014
EventFiber Lasers XI: Technology, Systems, and Applications - San Francisco, CA, United States
Duration: Feb 3 2014Feb 6 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8961
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherFiber Lasers XI: Technology, Systems, and Applications
CountryUnited States
CitySan Francisco, CA
Period2/3/142/6/14

Keywords

  • Coherent beam combining
  • Dammann grating
  • Kramers-Kronig effect
  • Self-phasing
  • Yb-doped fiber

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