Title :
Lasing in GaN micro-pillar cavities: whispering gallery modes and polygonal modes
Author :
Seongsik Chang ; Rex, N.B. ; Chang, R.T. ; Chong, G. ; Guide, L.J.
Author_Institution :
Dept. of Appl. Phys., Yale Univ., New Haven, CT, USA
Abstract :
We report stimulated emission (SE) and lasing at blue wavelength from GaN micro-pillar cavities with various cross sections (circle, and polygons) at room temperature. For a circular shape, whispering gallery modes are observed, and for n-polygonal shapes, period-n modes are observed.
Keywords :
III-V semiconductors; gallium compounds; laser cavity resonators; laser modes; microcavity lasers; semiconductor lasers; stimulated emission; GaN; GaN micro-pillar cavities; GaN micro-pillar laser cavities; blue wavelength; cross sections; n-polygonal shapes; polygonal modes; room temperature; stimulated emission; whispering gallery modes; Fiber lasers; Gallium nitride; Laser excitation; Laser modes; Physics; Shape; Spontaneous emission; Stimulated emission; Surface emitting lasers; Whispering gallery modes;
Conference_Titel :
Nanostructures and Quantum Dots/WDM Components/VCSELs and Microcavaties/RF Photonics for CATV and HFC Systems, 1999 Digest of the LEOS Summer Topical Meetings
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-7803-5633-0
DOI :
10.1109/LEOSST.1999.794722
