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:
Sep. 02, 2003
Filed:
Nov. 22, 2000
Kadhair Al-hemyari, Northville, MI (US);
LNL Technologies, Inc., Cambridge, MA (US);
Abstract
A Mach-Zehnder interferometer has first and second arms with first and second optical paths, and an optical phase shifter for introducing a phase into an optical signal passing through the second optical path. The optical phase shifter includes first and second waveguides, and a phase shift element disposed in a trench between the waveguides and selective movable between a first position in which the optical signal passing from the first waveguide to the second waveguide does not pass through the phase shift element, and a second position in which the optical signal passing from the first waveguide to the second waveguide passes through the phase shift element to shift the optical signal in phase relative to an optical signal passing along the first optical path.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile