Optical waveguide film and optical transmitter and receiver...

Details Optical waveguide film and optical transmitter and receiver... Optical waveguide film and optical transmitter and receiver...

2009-02-05

2010-11-30

Le, Uyen-Chau N (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S130000, C385S131000

Reexamination Certificate

active

07844156

ABSTRACT:
An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core.

REFERENCES:
patent: 5416870 (1995-05-01), Chun et al.
patent: 2004/0234224 (2004-11-01), Ishizaki et al.
patent: 2005/0174924 (2005-08-01), Martens et al.
patent: 2006/0177188 (2006-08-01), Ishizaki et al.
patent: A-4-281406 (1992-10-01), None
patent: A-2000-235127 (2000-08-01), None
patent: A-2005-530286 (2005-10-01), None
patent: A-2007-148457 (2007-06-01), None
patent: WO 2004/027472 (2004-04-01), None

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