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Article: Japanese Inventors Develop Optical Waveguide Device
- Article from:
- US Fed News Service, Including US State News
- Article date:
- March 21, 2008
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ALEXANDRIA, Va., March 21 -- Masaharu Doi, Masaki Sugiyama and Tadao Nakazawa, all from Kawasaki, Japan, have developed an optical waveguide device.
According to the U.S. Patent & Trademark Office: "An optical waveguide device includes a substrate having an electro-optical effect, an optical waveguide formed on the substrate, an electrode provided for the optical waveguide, a monitoring optical waveguide for guiding part of light outputted from the optical waveguide as monitor light, an attenuation section provided for the monitoring optical waveguide for attenuating the monitor light, and a light detection section for detecting the intensity of the monitor light guided by the ...
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... ... of Palo Alto, Calif., have developed an optical waveguide device with reduced insertion loss between optical waveguides ... Trademark Office, the invention relates to an "optical waveguide device, power coupler, a star coupler, a multi media ...
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