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:
Jun. 25, 2013
Filed:
Jul. 06, 2010
Nikolay Ledentsov, Berlin, DE;
Nikolay Ledentsov, Berlin, DE;
VI Systems GmbH, Berlin, DE;
Abstract
A device representing a reflector, for example, an evanescent reflector or a multilayer interference reflector with at least one reflectivity stopband is disclosed. A medium with means of generating optical gain is introduced into the layer or several layers of the reflector. The optical gain spectrum preferably overlaps with the spectral range of the reflectivity stopband. This device can be attached to air, semiconductor or dielectric material or multilayer structures and provide a tool for preferential amplification of the optical waves propagating at larger angles with respect to the interface with the evanescent or the multilayer interference reflector. Thus angle selective amplification or generation of light is possible. Several evanescent or interference reflectors can be used to serve the goal of preferable amplification the said optical waves.