Observation of whispering-gallery modes in Si microdisks at room temperature
- 2 April 2007
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 90 (14) , 141102
- https://doi.org/10.1063/1.2719225
Abstract
Whispering-gallery modes are observed at room temperature in silicon microdisk resonators fabricated on silicon-on-insulator substrates. Sharp luminescent peaks originating from the crystalline silicon film, corresponding to the whispering-gallery modes, are observed to change in microdisks with different diameters. Over 30 times enhancement of the photoluminescence from bulk silicon is observed due to the microdisk.Keywords
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