Luminescence rings in coupled quantum wells

Y. Liu, S. Denev, D. Snoke, L. Pfeiffer, K. West

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


In InGaAs quantum wells, we observe an effect by which luminescence from excitons appears as a ring of hundreds of micrometers radius centered on the laser excitation spot, and the intervening region is dark.

Original languageEnglish (US)
Title of host publicationConference on Lasers and Electro-Optics, CLEO 2003
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)1557527334
StatePublished - 2003
Externally publishedYes
EventConference on Lasers and Electro-Optics, CLEO 2003 - Baltimore, United States
Duration: Jun 1 2003Jun 6 2003

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


ConferenceConference on Lasers and Electro-Optics, CLEO 2003
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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