Unidirectional lasing in P T-symmetric cavities

Hamidreza Ramezani; Hao-Kun Li; Yuan Wang; Xiang Zhang; Xiang Zhang

doi:10.1364/FIO.2015.FTh1A.2

Frontiers in Optics 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper FTh1A.2
•https://doi.org/10.1364/FIO.2015.FTh1A.2

Unidirectional lasing in $P T$ -symmetric cavities

Hamidreza Ramezani, Hao-Kun Li, Yuan Wang, and Xiang Zhang

Frontiers in Optics 2015

San Jose, California United States
18–22 October 2015
ISBN: 978-1-943580-03-3

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General Optical Sciences III (FTh1A)

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H. Ramezani, H. Li, Y. Wang, and X. Zhang, "Unidirectional lasing in P T-symmetric cavities," in Frontiers in Optics 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper FTh1A.2.

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Abstract

Using parity-time ( $P T$ ) symmetry and Fano resonances we propose a new mechanism to realize unique spectral singularities with simultaneous unidirectional lasing and zero reflection mode in quasi 1D cavities.

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