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Article: Pennsylvania Inventor Develops Optical Waveguide Circuit
- Article from:
- US Fed News Service, Including US State News
- Article date:
- April 4, 2007
CopyrightCopyright © HT Media Ltd. All Rights Reserved. Provided by ProQuest LLC. (Hide copyright information)
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ALEXANDRIA, Va., April 4 -- Shrenik Delwala of Orefield, Pa., has developed an optical waveguide device that includes an active optical waveguide device and a passive optical waveguide device.
According to the U.S. Patent & Trademark Office: "The active optical waveguide device is formed at least in part on a semiconductor layer and includes an electrode portion. A region of altered effective mode index is created by the active optical waveguide device and controlled by application of an electric voltage to the electrode portion in a manner that alters a free carrier density of the region of altered effective mode index. Changing the electric voltage to the electrode portion changes the ...
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Article: Publication No. WO/2009/096237 Published on Aug. 6, Assigned to ...
US Fed News Service, Including US State News;
August 8, 2009 ;
417 words
... ... Kenji Aoki - all from Japan, have developed an optical waveguide device. The patent has been assigned to NGK Insulators ... Organization, the invention relates to an "optical waveguide device is provided with a substrate composed of a ferroelectric ...
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