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PT-symmetry of coupled fiber lasers
Author(s): Sergey V. Smirnov; Dmitry V. Churkin; Maxim Makarenko; Ilya Vatnik; Sergey V. Suchkov; Andrey A. Sukhorukov
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Paper Abstract

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 power oscillations and the role of nonlinear phase shift in fiber rings.

Paper Details

Date Published: 24 October 2017
PDF: 8 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572Y (24 October 2017); doi: 10.1117/12.2284985
Show Author Affiliations
Sergey V. Smirnov, Novosibirsk State Univ. (Russian Federation)
Dmitry V. Churkin, Novosibirsk State Univ. (Russian Federation)
Maxim Makarenko, Novosibirsk State Univ. (Russian Federation)
Ilya Vatnik, Novosibirsk State Univ. (Russian Federation)
Sergey V. Suchkov, The Australian National Univ. (Australia)
Andrey A. Sukhorukov, The Australian National Univ. (Australia)


Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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