Optical coupler

Details Optical coupler Optical coupler

2008-03-12

2009-10-27

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

C385S015000, C385S031000

Reexamination Certificate

active

07609920

ABSTRACT:
An optical coupler including: a substrate; a cladding layer formed on the substrate; and a slab waveguide formed on the cladding layer, wherein the slab waveguide comprises a first waveguide area on which a laser beam is incident and a second waveguide area having an incident surface capable of converging and outputting the laser beam passing through the first waveguide in a width direction. The optical coupler may optically couple one of an optical fiber and a laser diode with the slab waveguide, and more particularly, and a photonic crystal waveguide, with high efficiency.

REFERENCES:
patent: 4935930 (1990-06-01), Handa
patent: 7251406 (2007-07-01), Luo et al.
patent: 2003/0048993 (2003-03-01), Shi et al.
patent: 2006/0165349 (2006-07-01), Demiguel et al.
patent: 10-107387 (1998-04-01), None
Korean Office Action issued in Korean Patent Application No. KR 10-2007-0098107 dated Jun. 29, 2009.

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