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:
Oct. 04, 2005
Filed:
Feb. 27, 2002
Applicant:
Miguel Levy, Chassell, MI (US);
Inventor:
Miguel Levy, Chassell, MI (US);
Assignee:
Board of Control of Michigan Technological University, Houghton, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F001/09 ; G02F001/00 ; G02F001/295 ;
U.S. Cl.
CPC ...
Abstract
A magneto-optical isolator () for an optical circuit. The isolator includes a substrate, and an optical channel () disposed next to the substrate. The optical channel and substrate are configured to transmit optical radiation within the optical channel. The isolator further includes a photonic-crystal rotator () formed with the substrate and the optical channel. The rotator has at least one defect () and magnetic (M) and non-magnetic (N) materials.