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Article: Circular bragg lasers with radial PT symmetry: Design and analysis with a coupled-mode approach

TitleCircular bragg lasers with radial PT symmetry: Design and analysis with a coupled-mode approach
Authors
Issue Date2018
Citation
Photonics Research, 2018, v. 6, n. 5, p. A38-A42 How to Cite?
AbstractParity–time (PT) symmetry has been demonstrated in the frame of classic optics. Its applications in laser science have resulted in unconventional control and manipulation of resonant modes. PT-symmetric periodic circular Bragg lasers were previously proposed. Analyses with a transfer-matrix method have shown their superior properties of reduced threshold and enhanced modal discrimination between the radial modes. However, the properties of the azimuthal modes were not analyzed, which restricts further development of circular Bragg lasers. Here, we adopt the coupled-mode theory to design and analyze chirped circular Bragg lasers with radial PT symmetry. The new structures possess more versatile modal control with further enhanced modal discrimination between the azimuthal modes. We also analyze azimuthally modulated circular Bragg lasers with radial PT symmetry, which are shown to achieve even higher modal discrimination.
Persistent Identifierhttp://hdl.handle.net/10722/351381
ISSN
2023 Impact Factor: 6.6
2023 SCImago Journal Rankings: 2.056

 

DC FieldValueLanguage
dc.contributor.authorFeng, Ziyao-
dc.contributor.authorMa, Jingwen-
dc.contributor.authorYu, Zejie-
dc.contributor.authorSun, Xiankai-
dc.date.accessioned2024-11-20T03:55:57Z-
dc.date.available2024-11-20T03:55:57Z-
dc.date.issued2018-
dc.identifier.citationPhotonics Research, 2018, v. 6, n. 5, p. A38-A42-
dc.identifier.issn2327-9125-
dc.identifier.urihttp://hdl.handle.net/10722/351381-
dc.description.abstractParity–time (PT) symmetry has been demonstrated in the frame of classic optics. Its applications in laser science have resulted in unconventional control and manipulation of resonant modes. PT-symmetric periodic circular Bragg lasers were previously proposed. Analyses with a transfer-matrix method have shown their superior properties of reduced threshold and enhanced modal discrimination between the radial modes. However, the properties of the azimuthal modes were not analyzed, which restricts further development of circular Bragg lasers. Here, we adopt the coupled-mode theory to design and analyze chirped circular Bragg lasers with radial PT symmetry. The new structures possess more versatile modal control with further enhanced modal discrimination between the azimuthal modes. We also analyze azimuthally modulated circular Bragg lasers with radial PT symmetry, which are shown to achieve even higher modal discrimination.-
dc.languageeng-
dc.relation.ispartofPhotonics Research-
dc.titleCircular bragg lasers with radial PT symmetry: Design and analysis with a coupled-mode approach-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/PRJ.6.000A38-
dc.identifier.scopuseid_2-s2.0-85046379810-
dc.identifier.volume6-
dc.identifier.issue5-
dc.identifier.spageA38-
dc.identifier.epageA42-

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