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Article: Single-mode laser by parity-time symmetry breaking

TitleSingle-mode laser by parity-time symmetry breaking
Authors
Issue Date2014
Citation
Science, 2014, v. 346, n. 6212, p. 972-975 How to Cite?
Abstract© 2014, American Association for the Advancement of Science. All rights reserved. Effective manipulation of cavity resonant modes is crucial for emission control in laser physics and applications. Using the concept of parity-time symmetry to exploit the interplay between gain and loss (i.e., light amplification and absorption), we demonstrate a parity-time symmetry-breaking laser with resonant modes that can be controlled at will. In contrast to conventional ring cavity lasers with multiple competing modes, our parity-time microring laser exhibits intrinsic single-mode lasing regardless of the gain spectral bandwidth. Thresholdless parity-time symmetry breaking due to the rotationally symmetric structure leads to stable single-mode operation with the selective whispering-gallery mode order. Exploration of parity-time symmetry in laser physics may open a door to next-generation optoelectronic devices for optical communications and computing.
Persistent Identifierhttp://hdl.handle.net/10722/256693
ISSN
2020 Impact Factor: 47.728
2020 SCImago Journal Rankings: 12.556
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFeng, Liang-
dc.contributor.authorWong, Zi Jing-
dc.contributor.authorMa, Ren Min-
dc.contributor.authorWang, Yuan-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:57:37Z-
dc.date.available2018-07-24T08:57:37Z-
dc.date.issued2014-
dc.identifier.citationScience, 2014, v. 346, n. 6212, p. 972-975-
dc.identifier.issn0036-8075-
dc.identifier.urihttp://hdl.handle.net/10722/256693-
dc.description.abstract© 2014, American Association for the Advancement of Science. All rights reserved. Effective manipulation of cavity resonant modes is crucial for emission control in laser physics and applications. Using the concept of parity-time symmetry to exploit the interplay between gain and loss (i.e., light amplification and absorption), we demonstrate a parity-time symmetry-breaking laser with resonant modes that can be controlled at will. In contrast to conventional ring cavity lasers with multiple competing modes, our parity-time microring laser exhibits intrinsic single-mode lasing regardless of the gain spectral bandwidth. Thresholdless parity-time symmetry breaking due to the rotationally symmetric structure leads to stable single-mode operation with the selective whispering-gallery mode order. Exploration of parity-time symmetry in laser physics may open a door to next-generation optoelectronic devices for optical communications and computing.-
dc.languageeng-
dc.relation.ispartofScience-
dc.titleSingle-mode laser by parity-time symmetry breaking-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1126/science.1258479-
dc.identifier.scopuseid_2-s2.0-84911430533-
dc.identifier.volume346-
dc.identifier.issue6212-
dc.identifier.spage972-
dc.identifier.epage975-
dc.identifier.eissn1095-9203-
dc.identifier.isiWOS:000345696000037-
dc.identifier.issnl0036-8075-

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