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:
Apr. 24, 1990
Filed:
Mar. 22, 1989
Applicant:
Inventors:
Philippe Brosson, Forges Les Bains, FR;
Joel Jacquet, Orsay, FR;
Claude Artigue, Paris, FR;
Denis Leclerc, Bourg La Reine, FR;
Jacques Benoit, Orsay, FR;
Assignee:
Alcatel N.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 50 ; 372 20 ; 372 26 ; 372 96 ;
Abstract
A tunable multisection laser of the invention includes an active layer (C2) which is thicker in a phase tuning section (S3) and in a grating section (S2) including a Bragg distributed reflector (R) having a controllable equivalent pitch than it is in a light amplification section (S1). The invention is particularly applicable to making components for telecommunications by means of optical fibers.