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.

Date of Patent:
Dec. 02, 2014

Filed:

Aug. 06, 2012
Applicants:

Xiaoguang He, Diamond Bar, CA (US);

Martin Kwakernaak, Los Angeles, CA (US);

Inventors:

Xiaoguang He, Diamond Bar, CA (US);

Martin Kwakernaak, Los Angeles, CA (US);

Assignee:

Emcore Corporation, Albuquerque, NM (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor gain device comprising a substrate; an optical waveguide layer extending from a first end of the substrate to a second end of the substrate opposite to the first end, the optical waveguide layer including an active layer formed on the upper surface; a reflective mirror provided at one end of the optical waveguide layer, and an exit aperture on the other end of the optical waveguide layer for emitting optical energy; wherein at least a portion of the optical waveguide layer is curved on the surface of the substrate from the first end to the second end with a radius of curvature of less than 4 mm.


Find Patent Forward Citations

Quick Actions:

He, Xiaoguang. (2014). Semiconductor laser gain device with mode filter (U.S. Patent No. 8902945). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8902945

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…