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:
Aug. 30, 2005
Filed:
Apr. 22, 2003
Bryan S. Robinson, Belmont, MA (US);
Shelby J. Savage, Cambridge, MA (US);
Scott A. Hamilton, Newton, MA (US);
Erich P. Ippen, Belmont, MA (US);
Bryan S. Robinson, Belmont, MA (US);
Shelby J. Savage, Cambridge, MA (US);
Scott A. Hamilton, Newton, MA (US);
Erich P. Ippen, Belmont, MA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Abstract
Described is an all-optical switch that is significantly insensitive to polarization instabilities. The optical switch can be configured as an ultrafast logic gate, a switch for ultrafast communication systems or a key component of an all-optical regenerator. Performance is independent of the statistical characteristics of the data controlling the switch. The switch includes a birefringent optical channel in communication with one end of a nonlinear optical channel through a coupler and a polarization rotation mirror in communication with the other end of the nonlinear channel. An optical data pulse for controlling the switching function is provided to one port of the coupler.