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:
Mar. 11, 2008
Filed:
Jun. 07, 2004
Ying Zhang, Singapore, SG;
Qi Jie Wang, Singapore, SG;
Yeng Chai Soh, Singapore, SG;
Agency for Science, Technology and Research, Singapore, SG;
Abstract
An optical interleaver comprising a first optical 3×3 coupler for receiving a broadband optical signal at one input port thereof, a second 3×3 optical coupler, three differential delay lines connected in parallel port-to-port between output ports of the first optical 3×3 coupler and input ports of the second optical 3×3 coupler, an infinite impulse response (IIR) element disposed in each of two of the delay lines, and wherein optical signals travelling in the respective delay lines interfere at the second 3×3 coupler to produce three frequency shifted transmission channel output signals at respective output ports of the second 3×3 coupler.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile