The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2012
Filed:
Aug. 14, 2007
Luigi Pierno, Rome, IT;
Massimiliano Dispenza, Rome, IT;
Luigi Pierno, Rome, IT;
Massimiliano Dispenza, Rome, IT;
Selex Sistemi Integrati S.p.A., Rome, IT;
Abstract
Disclosed herein is a digital electro-optical switch () comprising: an electro-optical substrate (); a Y-shaped optical waveguide () formed in the substrate () and including an input branch () configured to be connected to an input optical waveguide, and two output branches () configured to be connected to respective output optical waveguides; and electrically conductive electrodes () formed on the substrate () and including an inner electrode () arranged between the output branches (), substantially at a branching area of the optical waveguide (), and two outer electrodes () arranged outside the output branches (), on opposite sides of the inner electrode (), the outer electrodes () being electrically operable to make the electro-optical switch () operative between a first switching state wherein transmission of optical energy is enhanced between the input branch () and a first one of the output branches (), and substantially inhibited in a second one of the output branches (), and a second switching state wherein transmission of optical energy is enhanced between the input branch () and the second output branch (), and substantially inhibited in the first output branch (); and an optically transparent, electrically conductive film () arranged between each electrode () and the substrate ().