Radial-waveguide-coupled micro-resonator lasers with unidirectional output

Fang Ou*, Xiangyu Li, Boyang Liu, Yingyan Huang, Eng Huat Khoo, Er Ping Li, Iftikhar Ahmed, Qian Wang, Seng Tiong Ho

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


We demonstrate single-directional output coupling of light from micro-resonator laser using a radially placed waveguide based on a new enhanced-radiation-loss output coupling mechanism. The 20μm-diameter electrically pumped laser has 11.5mA lasing threshold with >0.2mW output.

Original languageEnglish (US)
Title of host publicationFrontiers in Optics, FiO 2009
PublisherOptical Society of America (OSA)
ISBN (Print)9781557528780
StatePublished - 2009
EventFrontiers in Optics, FiO 2009 - San Jose, CA, United States
Duration: Oct 11 2009Oct 15 2009

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherFrontiers in Optics, FiO 2009
Country/TerritoryUnited States
CitySan Jose, CA

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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