Coherent, directional, laserlike emission from random gain media

Authors
Shukri, M Armstrong, RL
Citation
M. Shukri et Rl. Armstrong, Coherent, directional, laserlike emission from random gain media, APPL OPTICS, 39(24), 2000, pp. 4300-4305
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
APPLIED OPTICS
ISSN journal
00036935 → ACNP
Volume
39
Issue
24
Year of publication
2000
Pages
4300 - 4305
Database
ISI
SICI code
0003-6935(20000820)39:24<4300:CDLEFR>2.0.ZU;2-O
Abstract
We present experimental evidence for coherent, directional emission from a random gain medium above the threshold for laserlike emission. In particula r, we report the first observation (to our knowledge) of a coherent angular backscattering peak above this threshold. A plausible explanation of our f indings follows from the assumption that superfluorescent emission occurs i n the gain medium above threshold. (C) 2000 Optical Society of America OCIS codes: 030.1640, 290.1350, 140.3460, 300.6280.