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. 27, 2013
Filed:
Apr. 13, 2011
Applicants:
Jens Hofrichter, Zurich, CH;
Nikolaj Moll, Zurich, CH;
Inventors:
Jens Hofrichter, Zurich, CH;
Nikolaj Moll, Zurich, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01); G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of coupling a light beam into a waveguide. The method includes applying the light beam onto a grating portion at non-zero degree angle with respect to a plane of the grating portion, coupling the light beam into the waveguide using the grating portion and converting a spot-size of the light beam to correspond with a size of the waveguide using the grating portion.