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:
Feb. 03, 2015
Filed:
Oct. 31, 2012
Julius-maximilians-universitaet Wuerzburg, Wuerzburg, DE;
Adam Bauer, Donaustauf, DE;
Sven Hoefling, Zellingen, DE;
Lukas Worschech, Wuerzburg, DE;
Martin Kamp, Gerbrunn, DE;
nanoplus Nanosystems and Technologies GmbH, Gerbrunn, DE;
Abstract
An interband cascade laser amplifier medium (M) having a number of cascades (C) strung together along a transport direction (T) of charge carriers and each having an electron injector region (I), an amplifier region (V) and an electron collector region (K), wherein the amplifier region (V) has a hole quantum film () having a first semiconductor material and an electron quantum film () having a second semiconductor material, and wherein the electron collector region (K) has at least one collector quantum film () having a third semiconductor material and separated by a first barrier layer (), and the electron injector region (I) has at least one injector quantum film () having a fourth semiconductor material and separated by a second barrier layer ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile