Observation of a Parity-Time-Symmetry Phase Transition in a Fiber Cavity

Ali K. Jahromi; Absar U. Hassan; Demetrois N. Christodoulides; Ayman F. Abouraddy

doi:10.1364/CLEO_AT.2017.JTu5A.51

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper JTu5A.51
•https://doi.org/10.1364/CLEO_AT.2017.JTu5A.51

Observation of a Parity-Time-Symmetry Phase Transition in a Fiber Cavity

Ali K. Jahromi, Absar U. Hassan, Demetrois N. Christodoulides, and Ayman F. Abouraddy

CLEO: Applications and Technology 2017

San Jose, California United States
14–19 May 2017
ISBN: 978-1-943580-27-9

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A. K. Jahromi, A. U. Hassan, D. N. Christodoulides, and A. F. Abouraddy, "Observation of a Parity-Time-Symmetry Phase Transition in a Fiber Cavity," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper JTu5A.51.

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Abstract

We predict and experimentally demonstrate that the lasing threshold can be lowered by virtue of ƤƬ-symmetry, and for the first time observe ƤƬ-symmetry-breaking in a long fiber cavity despite the presence of random phase fluctuations.

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