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:
Jan. 07, 2014
Filed:
May. 20, 2010
Zhong Shi, Fremont, CA (US);
Hongxing Yuan, Fremont, CA (US);
Shing Lee, Fremont, CA (US);
Zhongyan Wang, San Ramon, CA (US);
GE Yi, San Ramon, CA (US);
Zhong Shi, Fremont, CA (US);
Hongxing Yuan, Fremont, CA (US);
Shing Lee, Fremont, CA (US);
Zhongyan Wang, San Ramon, CA (US);
Ge Yi, San Ramon, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
Devices having reflective grating structures and methods of fabricating the same are disclosed. A bottom clad layer is disposed above a substrate. A waveguide core layer is disposed above the bottom clad layer. A top clad layer is disposed above the waveguide core layer. At least one metal grating structure is disposed adjacent to an interface between the waveguide core layer and one of the bottom clad layer and the top clad layer, where the at least one metal grating structure is configured to reflect at least a portion of an incident electromagnetic radiation coupled into the waveguide core layer.