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:
Feb. 19, 2008
Filed:
May. 20, 2003
Giovanni Barbarossa, Saratoga, CA (US);
Ming LI, Pleasanton, CA (US);
Song Peng, Pleasanton, CA (US);
Giovanni Barbarossa, Saratoga, CA (US);
Ming Li, Pleasanton, CA (US);
Song Peng, Pleasanton, CA (US);
Avanex Corporation, Fremont, CA (US);
Abstract
A re-configurable channel dropping de-multiplexer comprises an input, an output, a first 1×2 optical switch optically coupled to the input, a second 1×2 optical switch optically coupled to the output, a plurality of 2×2 optical switches optically coupled between the first and second 1×2 optical switches, a plurality of inter-switch optical couplings optically coupled between each pair of adjacent optical switches, a plurality of channel band pass filter assemblies, each optically coupled between two optical switches and a plurality of channel drop ports, each channel drop port being optically coupled to a respective channel band pass filter assembly.