Single-mode lasing of GaN nanowire-pairs
- 10 September 2012
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 101 (11)
- https://doi.org/10.1063/1.4751862
Abstract
Stable single-mode lasing operation from a pair of coupled GaN nanowires is demonstrated through optical pumping. GaN nanowires with different lengths were placed side-by-side in contact to form a coupled cavity through nanoprobe manipulation. Unlike individual nanowire lasers, which operate in a combined multiple transverse and multiple longitude mode oscillation, a coupled nanowire-pair provides a mode selection mechanism through the Vernier effect, which can strongly enhance the free spectrum range between adjacent resonant modes and generate a stable single-mode operation with a high side-mode suppression ratio.Funding Information
- National Nuclear Security Administration, U.S. Department of Energy (DE-AC04-94AL85000)
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