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:
Sep. 02, 2014
Filed:
Dec. 15, 2010
Günther Tränkle, Berlin, DE;
Joachim Piprek, Newark, DE (US);
Hans Wenzel, Berlin, DE;
Götz Erbert, Berlin, DE;
Markus Weyers, Wildau, DE;
Andrea Knigge, Königs Wusterhausen, DE;
Günther Tränkle, Berlin, DE;
Joachim Piprek, Newark, DE (US);
Hans Wenzel, Berlin, DE;
Götz Erbert, Berlin, DE;
Markus Weyers, Wildau, DE;
Andrea Knigge, Königs Wusterhausen, DE;
Forschungsverbund Berlin e.V., Berlin, DE;
Abstract
A the vertical-cavity surface-emitting laser includes a stripe-shaped active medium () having an emission maximum at a first wavelength (λ), wherein a first reflector () is arranged below the stripe-shaped active medium () and a second reflector () is arranged above the stripe-shaped active medium (), with the first reflector () facing the second reflector (), wherein the first reflector () and a second reflector () have a reflectivity maximum in the region of the first wavelength (λ), wherein a third reflector () and a fourth reflector () are each arranged on a side above or next to the stripe-shaped active medium (), wherein the third reflector () faces the fourth reflector (), and wherein the third reflector () and the fourth reflector () have a reflectivity maximum in the region of a second wavelength (λ), wherein the first wavelength (λ) is greater than the second wavelength (λ).