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InGaN/GaN double heterostructure laser with cleaved facets

Proc. SPIE 3284, 122 (1998); http://dx.doi.org/10.1117/12.304461

Monday 26 January 1998
San Jose, CA, USA
In-Plane Semiconductor Lasers: from Ultraviolet to Mid-Infrared II
Hong K. Choi, Peter S. Zory
  • Abstract
Dean A. Stocker, E. F. Schubert, and W. Grieshaber

Boston Univ. (USA)

Karim S. Boutros, J. S. Flynn, Robert P. Vaudo, V. M. Phanse, and Joan M. Redwing

Advanced Technology Materials, Inc. (USA)

Laser action is demonstrated in InGaN/GaN double heterostructures with cleaved facets. Hydride vapor phase epitaxy is used to grow a 10-micrometer-thick buffer layer of GaN on (0001) sapphire, and metal-organic vapor phase epitaxy is used to subsequently grow a GaN/In0.09Ga0.91N/GaN double heterostructure. One-mm-long cavities are produced by cleaving the structure along the (1010) plane of the sapphire substrate. A pulsed Nitrogen laser is used for optical excitation. At room temperature, the laser threshold occurs at an incident power density of 1.3 MW/cm2. Above threshold, the differential quantum efficiency increases by a factor of 34, the emission linewidth decreases to 13.5 meV, and the output becomes highly TE polarized.

© 2003 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

History
Online May 08, 2003
Citation
Dean A. Stocker, E. F. Schubert, W. Grieshaber, Karim S. Boutros, J. S. Flynn, Robert P. Vaudo, V. M. Phanse and Joan M. Redwing, "InGaN/GaN double heterostructure laser with cleaved facets", Proc. SPIE 3284, 122 (1998); http://dx.doi.org/10.1117/12.304461

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