Optical system with optical waveguides

Details Optical system with optical waveguides Optical system with optical waveguides

2006-11-28

2009-08-11

Peng, Charlie (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S001000, C385S014000, C385S015000, C385S016000, C385S019000, C385S024000, C385S027000, C385S041000, C385S045000, C385S046000, C385S047000, C385S049000, C385S052000

Reexamination Certificate

active

07574081

ABSTRACT:
The present invention provides an optical system with waveguides, which comprises first, second and third optical input/output means (12, 14, 16), fourth and fifth multi-mode optical waveguides (20, 22) each capable of propagating light with plural propagation modes, and optical-filter mounting means (26) for mounting an optical filter (24) between the fourth and fifth multi-mode optical waveguides (20, 22) across a traveling direction of light in the fourth and fifth multi-mode optical waveguides (20, 22). The first optical input/output means (12) is connected to an end face of the fourth multi-mode optical waveguide (20) on a side thereof opposite to the optical-filter mounting means (26). Each of the second and third optical input/output means (14, 16) is connected to an end face of the fifth multi-mode optical waveguide (22) on a side opposite to the optical-filter mounting means (26). Respective widths in a direction orthogonal to the light-traveling direction of the fourth and fifth multi-mode optical waveguides (20, 22) are different from each other.

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patent: 7130503 (2006-10-01), Terakawa et al.
patent: 2002/0191907 (2002-12-01), Kinoshita et al.
patent: 08-190026 (1996-07-01), None
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patent: WO 98/39679 (1998-09-01), None
The Institute of Electronics, Information and Communication Engineers, 2005 Collected Papers from General Conference. “Electronics”, Mar. 21-24, 2005 Osaka University, Toyonaka Campus, Toyonaka-city.

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