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PT-symmetry of coupled fiber lasers

Smirnov, Sergey Valeryevich; Churkin, D.V.; Makarenko, Maxim O.; Vatnik, I.D.; Suchkov, Sergey; Sukhorukov, Andrey


In this work, we propose a concept of a coupled fiber laser exhibiting PT-symmetry properties. We consider a system operated via Raman gain. The scheme comprises two identical fiber loops (ring cavities) connected by means of two fiber couplers with variable phase shift between them. We show that by changing the phase shift one can switch between generation regimes, realizing either PT-symmetric or PT-broken solution. Furthermore, the paper investigates some peculiarities of the system such as...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572Y (24 October 2017)
DOI: 10.1117/12.2284985
Access Rights: Open Access


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