Impurity-based waveguide detectors

Details Impurity-based waveguide detectors Impurity-based waveguide detectors

2006-12-19

2006-12-19

Harvey, Minsun Oh (Department: 2828)

Optical waveguides

Planar optical waveguide

C385S040000, C385S014000, C372S064000

Reexamination Certificate

active

07151881

ABSTRACT:
An optical circuit including a semiconductor substrate; an optical waveguide formed in or on the substrate; and an optical detector formed in or on the semiconductor substrate, wherein the optical detector is aligned with the optical waveguide so as to receive an optical signal from the optical waveguide during operation, and wherein the optical detector has: a first electrode; a second electrode; and an intermediate layer between the first and second electrodes, the intermediate layer being made of a semiconductor material characterized by a conduction band, a valence band, and deep level energy states introduced between the conduction and valence bands.

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