<i>PT</i>-symmetric cavities with simultaneous unidirectional lasing and reflectionless modes

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

doi:10.1364/CLEO_QELS.2015.FTu2C.6

CLEO: 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper FTu2C.6
•https://doi.org/10.1364/CLEO_QELS.2015.FTu2C.6

$P T$ -symmetric cavities with simultaneous unidirectional lasing and reflectionless modes

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

CLEO: QELS_Fundamental Science 2015

San Jose, California United States
10–15 May 2015
ISBN: 978-1-55752-968-8

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Topological Photonics I (FTu2C)

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H. Ramezani, H. Li, Y. Wang, and X. Zhang, "PT-symmetric cavities with simultaneous unidirectional lasing and reflectionless modes," in CLEO: 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper FTu2C.6.

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Abstract

Using parity-time ( $P T$ ) symmetric cavities, we introduce a new family of spectral singularities with highly directional response. At these singularities the $P T$ -symmetric cavity support a simultaneous lasing mode from one side and zero reflection mode from the opposite side.

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