Optical waveguides – With optical coupler – Plural
Patent
1995-08-03
1997-07-15
Ullah, Akm E.
Optical waveguides
With optical coupler
Plural
G02B 628
Patent
active
056490372
ABSTRACT:
An optical waveguide component includes at least one main waveguide through which signal light and regenerating light propagate and a branch waveguide branching from the main waveguide, which are formed on the same substrate; a filter element disposed at a branch portion of these waveguides; and a plurality of reflecting elements having two reflecting faces, which are arranged in the extending direction of the branch waveguide. In the optical waveguide component, one reflecting face of the two reflecting faces is a face for reflecting the regenerating light to the filter element, and the other face is a face for reflecting the regenerating light to the direction deviating from the light axis direction of the branch waveguide, or the intervals between the reflecting elements are different from each other. This optical waveguide component enables the time-series signal processing of regenerating light to be performed accurately.
REFERENCES:
patent: 4790614 (1988-12-01), Imoto et al.
patent: 4842357 (1989-06-01), Doneen
patent: 5438640 (1995-08-01), Sasaoka et al.
patent: 5463705 (1995-10-01), Clauberg et al.
patent: 5479547 (1995-12-01), Kunikane et al.
Iwata Hideyuki
Nakamura Shiro
Ohyama Isao
Shimizu Takeo
Yanagawa Hisaharu
Nippon Telegraph and Telephone Corporation
The Furukawa Electric Co. Ltd.
Ullah Akm E.
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