Coherent light generators – Superradiant laser
Reexamination Certificate
2006-12-07
2009-10-06
Rodriguez, Armando (Department: 2828)
Coherent light generators
Superradiant laser
C372S050220
Reexamination Certificate
active
07599403
ABSTRACT:
A 1.55 μm SLD having a laser diode (LD) region and a semiconductor optical amplifier (SOA) region, and a method of fabricating the same, are disclosed. The SLD includes: an InP substrate having a LD region and a SOA region for amplifying light emitted from the LD region; an optical waveguide having a BRS (buried ridge strip) structure having an active layer of resonant strip pattern formed on the InP substrate and extending from the SOA region to the LD region; a first electrode formed on the active layer in the SOA region, a second electrode formed on the active layer in the LD region and electrically isolated from the first electrode; and a current blocking region interposed between the first electrode and the second electrode in order to electrically isolate the first electrode and the second electrode from each other.
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Baek Yong Soon
Oh Kwang Ryong
Park Moon Ho
Electronics and Telecommunications Research Institute
Ladas & Parry LLP
Rodriguez Armando
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