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:
Jun. 15, 2021
Filed:
Nov. 14, 2019
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Quentin Wilmart, Grenoble, FR;
Karim Hassan, Grenoble, FR;
Abstract
A semiconductor laser source including a Mach-Zehnder interferometer, this interferometer including first and second arms. Each of the arms is divided into a plurality of consecutive sections, the effective index of each section located immediately after a preceding section being different from the effective index of this preceding section. The lengths of the various sections meet the following condition: where: kis a preset integer number higher than or equal to 1, Nand Nare the numbers of sections in the first and second arms, respectively, Land Lare the lengths of the nth sections of the first and second arms, respectively, neffand neffare the effective indices of the nth sections of the first and second arms, respectively. The first and second arms each comprise a gain-generating section.