VERTICAL-CAVITY SURFACE-EMITTING LASER ARRAY WITH ISOLATED CATHODES AND A COMMON ANODE

VERTICAL-CAVITY SURFACE-EMITTING LASER ARRAY WITH ISOLATED CATHODES AND A COMMON ANODE

A vertical-cavity surface-emitting laser (VCSEL) array may include an n-type substrate layer and an n-type metal on a bottom surface of the n-type substrate layer. The n-type metal may form a common anode for a group of VCSEL. The VCSEL array may include a bottom mirror structure on a top surface of...

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Hauptverfasser: PETERS, Matthew Glenn, YANG, Jun, ZHAO, Guowei, HEGBLOM, Eric R
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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creator PETERS, Matthew Glenn
YANG, Jun
ZHAO, Guowei
HEGBLOM, Eric R
description A vertical-cavity surface-emitting laser (VCSEL) array may include an n-type substrate layer and an n-type metal on a bottom surface of the n-type substrate layer. The n-type metal may form a common anode for a group of VCSEL. The VCSEL array may include a bottom mirror structure on a top surface of the n-type substrate layer. The bottom mirror structure may include one or more bottom mirror sections and a tunnel junction to reverse a carrier type within the bottom mirror structure. The VCSEL array may include an active region on the bottom mirror structure and an oxidation layer to provide optical and electrical confinement. The VCSEL array may include an n-type top mirror on the active region, a top contact layer over the n-type top mirror, and a top metal on the top contact layer. The top metal may form an isolated cathode for the VCSEL array.
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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
title VERTICAL-CAVITY SURFACE-EMITTING LASER ARRAY WITH ISOLATED CATHODES AND A COMMON ANODE
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