Coherent light generators – Particular active media – Semiconductor
Patent
1996-12-27
1998-11-17
Lee, John D.
Coherent light generators
Particular active media
Semiconductor
372 36, 372 96, 438 22, H01S 319, H01S 304, H01S 308, H01L 2120
Patent
active
058387072
ABSTRACT:
An ultraviolet/blue/green vertical cavity surface emitting laser (VCSEL) for use in high density data storage that includes the fabrication of a VCSEL structure on a metallic single crystal substrate. The metallic single crystal substrate is utilized as a back reflecting mirror that in conjunction with an aluminum gallium nitride/gallium nitride distributed Bragg reflector serves to increase the overall reflectance of the VCSEL device. The metallic substrate is fabricated of a material such as nickel aluminum, thereby achieving an improved lattice match to the included III-nitride materials.
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Nakamura et al, "Candela-class High-Brightness inGaN/AIGaN Double-Heterostructure Blue-Light-Emitting Diodes", APPL. PHYS. LETT., vol. 64, No. 13, pp. 1687-1689.
Jiang Wenbin
Lebby Michael S.
Ramdani Jamal
Lee John D.
Leung Quyen Phan
Motorola Inc.
Parsons Eugene A.
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