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:
Jun. 04, 2019
Filed:
Apr. 17, 2017
Applicant:
Northwestern University, Evanston, IL (US);
Inventors:
Bruce W. Wessels, Wilmette, IL (US);
Zhifu Liu, Wilmette, IL (US);
Peter D. Girouard, Wrentham, MA (US);
Assignee:
NORTHWESTERN UNIVERSITY, Evanston, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/035 (2006.01); G02B 6/122 (2006.01); G02B 6/12 (2006.01); G02B 6/293 (2006.01); G02F 1/065 (2006.01); G02F 1/225 (2006.01);
U.S. Cl.
CPC ...
G02B 6/1225 (2013.01); G02B 6/12007 (2013.01); G02B 6/29352 (2013.01); G02F 1/035 (2013.01); G02F 1/065 (2013.01); G02F 1/2257 (2013.01);
Abstract
Barium titanate thin film waveguides and related modulator and devices with photonic crystal structures to promote wide bandwidths, low operating voltages and small footprint.