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. 19, 2006
Filed:
May. 28, 2004
Lawrence C. West, San Jose, CA (US);
Thomas P. Pearsall, Paris, FR;
Francisco A. Leon, Palo Alto, CA (US);
Stephen Moffatt, Jersey, GB;
Lawrence C. West, San Jose, CA (US);
Thomas P. Pearsall, Paris, FR;
Francisco A. Leon, Palo Alto, CA (US);
Stephen Moffatt, Jersey, GB;
Applied Materials, Inc., Santa Clara, CA (US);
Abstract
An optical circuit including a semiconductor substrate; an optical waveguide formed in or on the substrate; and an optical detector formed in or on the semiconductor substrate, wherein the optical detector is aligned with the optical waveguide so as to receive an optical signal from the optical waveguide during operation, and wherein the optical detector has: a first electrode; a second electrode; and an intermediate layer between the first and second electrodes, the intermediate layer being made of a semiconductor material characterized by a conduction band, a valence band, and deep level energy states introduced between the conduction and valence bands.