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. 20, 2020
Filed:
Aug. 28, 2017
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Mark Thomas Triplett, Livermore, CA (US);
Dzhakhangir V. Khaydarov, Campbell, CA (US);
Xiaozhen Xu, Sunnyvale, CA (US);
Gennady Imeshev, Irvine, CA (US);
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Abstract
A laser-written waveguide comprising, an optical substrate having a first refractive index, a plurality of laser-written tracks buried within the optical substrate and having a second refractive index lower than the first refractive index, one or more concentric geometric regions bounding the plurality of laser-written tracks and a waveguide channel delimited by said concentric geometric regions, wherein said waveguide channel is configured to allow formation of an optical mode.