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:
Jul. 11, 2011
Filed:
Mar. 11, 2009
Dmitri Iazikov, Eugene, OR (US);
Christoph M. Greiner, Eugene, OR (US);
Thomas W. Mossberg, Eugene, OR (US);
Dmitri Iazikov, Eugene, OR (US);
Christoph M. Greiner, Eugene, OR (US);
Thomas W. Mossberg, Eugene, OR (US);
Steyphi Services DE LLC, Dover, DE (US);
Abstract
A reconfigurable add-drop multiplexer (R-OADM) comprises an array of channel waveguides coupling two groups of diffractive element sets on a slab waveguide. The channel waveguides include switchable reflectors or are coupled to other channel waveguides by optical switches. Switching a reflector to reflect or setting a switch to couple two waveguides results in a corresponding wavelength channel being added or dropped. Switching the reflector to transmit or setting the switch to uncouple the two waveguides allows the corresponding wavelength channel to pass through the R-OADM without being added or dropped.