Title :
High spatial coherence vertical-cavity surface-emitting laser using a long monolithic cavity
Author :
Deppe, D.G. ; Huffaker, D.L.
Author_Institution :
Microelectron. Res. Center, Texas Univ., Austin, TX, USA
fDate :
1/30/1997 12:00:00 AM
Abstract :
A high coherence vertical-cavity surface-emitting laser is described that uses a long monolithic cavity to achieve a large near-field spot size. The cavity length is ~10 μm, and yields a stable far-field divergence half-angle of 1.6° just above lasing threshold
Keywords :
laser cavity resonators; light coherence; semiconductor lasers; surface emitting lasers; 10 micron; VCSEL; high spatial coherence; large near-field spot size; long monolithic cavity; surface-emitting laser; vertical-cavity SEL;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970129
