Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Reexamination Certificate
2006-08-22
2006-08-22
Dickey, Thomas L. (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With heterojunction
C257S098000, C257S099000, C257S100000, C257S101000, C372S045010, C372S046010
Reexamination Certificate
active
07095057
ABSTRACT:
Provided is a semiconductor laser including a substrate etched into a mesa structure, an active layer, clad layers, a current blocking layer, an etch-stop, an ohmic contact layer, and electrodes, and a method for manufacturing the same, whereby it is possible to improve a ratio of light output to input current by blocking a leakage current flowing outside an active waveguide in a BH laser.
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G. Pakulski, et al.; “Semi-insulating buried heterostructure laser with PN fence”; Electronics Letters; vol. 38, No. 25; Dec. 5, 2002; pp. 1680-1682.
Baek Yong Soon
Kim Ki Soo
Lee Chul Wook
Song Jung Ho
Dickey Thomas L.
Electronics and Telecommunications Research Institute
Mayer Brown Rowe & Maw LLP
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