Vertical-cavity surface-emitting laser device and vertical-cavity surface-emitting laser array device
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United States of America Patent
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Jul 4, 2017
Grant Date -
Mar 5, 2015
app pub date -
Nov 11, 2014
filing date -
May 25, 2012
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Abstract
A cathode electrode, cathode pad electrodes, cathode wiring electrodes, an anode electrode, an anode pad electrode, and an anode wiring electrode are disposed on the surface of a vertical-cavity surface-emitting laser device. A light-emitting-region multilayer portion having active layers sandwiched by clad layers and DBR layers is formed directly below the anode electrode. A region where the light-emitting-region multilayer portion is formed serves as a light-emitting region. The light-emitting region is positioned closer to one end of the first direction than is a suction region onto which a flat collet sucks with respect to the first direction, in such a way that the light-emitting region is substantially in contact with or spaced a predetermined distance from the suction region.
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