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:
May. 09, 2023

Filed:

Mar. 20, 2020
Applicant:

Zhejiang Dahua Technology Co., Ltd., Zhejiang, CN;

Inventors:

Jing Hu, Hangzhou, CN;

Ruobin Xia, Hangzhou, CN;

Jie Zhang, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H01S 5/50 (2006.01); H01S 5/14 (2006.01); H04J 14/00 (2006.01); H01S 5/11 (2021.01);
U.S. Cl.
CPC ...
H01S 5/50 (2013.01); H01S 5/141 (2013.01); H01S 5/11 (2021.01);
Abstract

The present disclosure relates to an optical amplifier configured for an image capturing device. The optical amplifier may include a substrate. The optical amplifier may also include an optical amplification region formed over the substrate. The optical amplification region may include a first optical amplification layer and a second optical amplification layer. The first optical amplification layer may be configured to amplify light at a first wavelength range, and the second optical amplification layer may be configured to amplify light at a second wavelength range. The optical amplifier may further include at least one electrode layer electrically contacting the optical amplification region.


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