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:
Jul. 26, 2022
Filed:
Dec. 04, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Shinya Okuda, Tokyo, JP;
Takashi Nagira, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/026 (2006.01); G02F 1/015 (2006.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
H01S 5/0265 (2013.01); G02F 1/015 (2013.01); H01S 5/4068 (2013.01);
Abstract
An electro-absorption modulator of the invention is an electro-absorption modulator which is formed on an InP substrate and modulate incident light according to a voltage applied to that modulator, and which comprises a light absorbing layer for absorbing a portion of the incident light by using an electric field generated by the applied voltage; wherein the light absorbing layer is comprised of a ternary or more complex III-V semiconductor mixed crystal that does not contain Al but contains Bi.