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, 2005
Filed:
Aug. 28, 2001
Applicants:
Jérôme Faist, Saint-Blaise, CH;
Mattias Beck, Basel, CH;
Antoine Muller, Neuchâtel, CH;
Inventors:
Assignee:
Alpes Lasers S.A., Neuchatel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S005/00 ;
U.S. Cl.
CPC ...
Abstract
Quantum cascade laser especially comprising a gain region () formed from several layers () which each comprise: The layers of the gain region () each constitute an active region extending from one to the other of the injection barriers () which are adjacent to it. The strata () are dimensioned such that: