Ultralow threshold laser using a single quantum dot and a microsphere cavity
- 1 March 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 59 (3) , 2418-2421
- https://doi.org/10.1103/physreva.59.2418
Abstract
We propose a novel semiconductor microlaser, made by capturing the light emitted from a single InAs/GaAs quantum dot in the whispering-gallery mode of a glass microsphere. We demonstrate that such an arrangement allows the laser threshold condition to be satisfied. The corresponding threshold current should be several orders of magnitude lower than is currently possible in semiconductor lasers.Keywords
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