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Unidirectional emission from a cardioid-shaped microcavity laser

Title
Unidirectional emission from a cardioid-shaped microcavity laser
Authors
Lee, IG[Lee, In-Goo]Go, SM[Go, Sung-Min]Ryu, JH[Ryu, Jin-Hyeok]Yi, CH[Yi, Chang-Hwan]Kim, SB[Kim, Sung-Bock]Oh, KR[Oh, Kwang Ryung]Kim, CM[Kim, Chil-Min]
DGIST Authors
Yi, CH[Yi, Chang-Hwan]; Kim, CM[Kim, Chil-Min]
Issue Date
2016-02-08
Citation
Optics Express, 24(3), 2253-2258
Type
Article
Article Type
Article
Keywords
Chaos TheoryCurrent InjectionsDC CurrentDeformation ParameterEmission CharacteristicsInGaAsPMicrocavitiesMicrocavity LaserSemiconductor LasersUnstable Periodic Orbits
ISSN
1094-4087
Abstract
We find unidirectional emission in a cardioid-shaped microcavity laser. When a deformation parameter is well adjusted, rays starting around a period-5 unstable periodic orbit emit unidirectionally. To confirm the emission direction, we fabricate a laser by using an InGaAsP semiconductor and investigate emission characteristics. When the laser is excited by current injection with a dc current, resonances localized on the period-5 unstable periodic orbit emit unidirectionally. © 2016 Optical Society of America.
URI
http://hdl.handle.net/20.500.11750/2295
DOI
10.1364/OE.24.002253
Publisher
OSA - The Optical Society
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceMicro Laser Laboratory1. Journal Articles


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