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Proceedings Paper

Simultaneous transition from continuous to pulsed and from PT-symmetric to PT-broken generation in coupled fiber lasers
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Paper Abstract

We consider a system of coupled Raman fiber lasers which exhibit PT-symmetric or PT-broken symmetry properties depending on phase shifts between coupled cavities and pump power. We numerically study temporal properties of radiation of this system. We found that besides laminar and turbulent generation regimes of different PT-properties, the coupled lasers allows generation of pulses. The pulsed generation properties are varying from noise-like pulses to stable hundreds of ps-scale pulses depending on pump power and PT-symmetry of the system. We track the transitions between different pulsed regimes and also found that these regimes could co-exist at the same time.

Paper Details

Date Published: 1 April 2020
PDF: 6 pages
Proc. SPIE 11358, Nonlinear Optics and its Applications 2020, 1135807 (1 April 2020); doi: 10.1117/12.2555765
Show Author Affiliations
Dmitry V. Churkin, Novosibirsk State Univ. (Russian Federation)
Institute of Automation and Electrometry (Russian Federation)
Sergey V. Smirnov, Institute of Automation and Electrometry (Russian Federation)

Published in SPIE Proceedings Vol. 11358:
Nonlinear Optics and its Applications 2020
Neil G. R. Broderick; John M. Dudley; Anna C. Peacock, Editor(s)

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