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. 12, 2005
Filed:
May. 15, 2002
Marin Soljacic, Somerville, MA (US);
Shanhui Fan, Somerville, MA (US);
Mihai Ibanescu, Piatra Neamt, RO;
Steven G. Johnson, St. Charles, IL (US);
John D. Joannopoulos, Belmont, MA (US);
Marin Soljacic, Somerville, MA (US);
Shanhui Fan, Somerville, MA (US);
Mihai Ibanescu, Piatra Neamt, RO;
Steven G. Johnson, St. Charles, IL (US);
John D. Joannopoulos, Belmont, MA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Abstract
A photonic crystal optical switch having a periodic dielectric structure including at least one input waveguide. First and second waveguide arms branch from the input waveguide in which the relative optical path lengths of electromagnetic radiation within the arms are controlled by stimuli. At least one output waveguide that combines the electromagnetic radiation propagating within the first and second waveguide arms.