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:
Jan. 14, 2025

Filed:

May. 11, 2023
Applicant:

Artilux, Inc., Menlo Park, CA (US);

Inventors:

Yen-Cheng Lu, Hsinchu County, TW;

Yun-Chung Na, Hsinchu County, TW;

Shu-Lu Chen, Hsinchu County, TW;

Chien-Yu Chen, Hsinchu County, TW;

Szu-Lin Cheng, Hsinchu County, TW;

Chung-Chih Lin, Hsinchu County, TW;

Yu-Hsuan Liu, Hsinchu County, TW;

Assignee:

ARTILUX, INC., Menlo Park, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 1/44 (2006.01); H01L 31/101 (2006.01);
U.S. Cl.
CPC ...
G01J 1/44 (2013.01); H01L 31/1013 (2013.01); G01J 2001/446 (2013.01);
Abstract

A photodetecting device is provided. The photodetecting device includes a silicon substrate, a germanium absorption region, and a plurality of microstructures. The silicon substrate includes a first surface and a second surface. The germanium absorption region is formed proximal to the first surface of the silicon substrate, and the germanium absorption region is configured to absorb photons and to generate photo-carriers. The plurality of microstructures are formed over the second surface of the silicon substrate, and the plurality of microstructures are configured to direct an optical signal towards the germanium absorption region. A system including an optical transmitter and an optical receiver is also provided.


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