Surface-emitting semiconductor laser array and optical...

Details Surface-emitting semiconductor laser array and optical... Surface-emitting semiconductor laser array and optical...

2007-12-04

2007-12-04

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S043010

Reexamination Certificate

active

11319393

ABSTRACT:
A surface emitting semiconductor laser includes a substrate, at least one light-emitting element on the substrate, and at least one protection element on the substrate. The light-emitting element includes a first semiconductor layer of a first conduction type electrically connected to a first electrode, and a second semiconductor layer of a second conduction type electrically connected to a second electrode. The protection element includes a third semiconductor layer of the first conduction type electrically connected to a third electrode, and a fourth semiconductor layer of the second conduction type electrically connected to the second electrode. The first semiconductor layer and the first electrode are electrically isolated from the third semiconductor layer and the third electrode by insulation means.

REFERENCES:
patent: 5386139 (1995-01-01), Idei et al.
patent: 5468656 (1995-11-01), Shieh et al.
patent: 5990499 (1999-11-01), Kuhlmann et al.
patent: 6185240 (2001-02-01), Jiang et al.
patent: A 2000-216442 (2000-08-01), None

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