Laminar and turbulent generation states of different parity-time symmetry properties in coupled Raman fiber lasers

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Abstract

Raman fiber lasers are known for a various types of generation regimes based on their stochasticity properties. Usually, Raman fiber lasers generate in so-called turbulent generation regime characterized by almost stochastic temporal dynamics and wide generation spectrum. However, under specific conditions, one can achieve a so-called laminar generation regimes with largely suppressed temporal intensity fluctuations and narrow generation spectrum consisting of highly correlated longitudinal modes. From other side, by an introducing a concept of PT-symmetry, one can achieve generation regimes different by their parity-time-symmetry properties. In coupled Raman fiber lasers PT-symmetry could be introduced as well. In this manuscript we consider an interplay between PT-symmetric generation properties and temporal properties of the generation. We show that various turbulent and laminar generation regimes could have different PT-symmetric properties.

Original languageEnglish
Title of host publicationQuantum and Nonlinear Optics VI
EditorsQihuang Gong, Guang-Can Guo, Byoung Seung Ham
PublisherSPIE
Number of pages6
ISBN (Electronic)9781510631076
ISBN (Print)978-1-5106-3107-6
DOIs
Publication statusPublished - 19 Nov 2019
EventQuantum and Nonlinear Optics VI 2019 - Hangzhou, China
Duration: 21 Oct 201922 Oct 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11195
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceQuantum and Nonlinear Optics VI 2019
CountryChina
CityHangzhou
Period21.10.201922.10.2019

Keywords

  • laminar-turbulent transition
  • parity-time symmetry
  • Raman fiber laser
  • spatio-temporal dynamics

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