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:
Jan. 05, 2010
Filed:
Oct. 10, 2003
Beatrice Dagens, Antony, FR;
Romain Brenot, Paris, FR;
Guang-hua Duan, Chatenay Malabry, FR;
Thierry Hessler, St-Aubin, CH;
Beatrice Dagens, Antony, FR;
Romain Brenot, Paris, FR;
Guang-Hua Duan, Chatenay Malabry, FR;
Thierry Hessler, St-Aubin, CH;
Avanex Corporation, Fremont, CA (US);
Abstract
A stabilised gain semiconductor optical amplifier (CG-SOA) includes and active waveguide () comprising an amplification medium (), extending in longitudinal (Z), lateral (X) and vertical (Y) directions, and coupled to a laser oscillation structure comprising at least two resonant cavities () extending in first (D) and second (D) directions which are different from the longitudinal direction (Z) of the active waveguide () and arranged in such a way as to permit the establishment of laser oscillations having at least two different relaxation oscillation frequencies.