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, 2019
Filed:
Mar. 09, 2017
Applicant:
Universitaet Wien, Vienna, AT;
Inventors:
Assignee:
Universität Wien, Vienna, AT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/39 (2006.01); G02B 17/00 (2006.01); H01S 3/00 (2006.01); G02F 1/37 (2006.01); G02F 1/03 (2006.01); G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
G02F 1/39 (2013.01); G02B 17/006 (2013.01); G02B 27/283 (2013.01); G02F 1/03 (2013.01); G02F 1/37 (2013.01); H01S 3/0092 (2013.01);
Abstract
An apparatus for generating narrow-band single and multi-photon state with long coherence length is disclosed. The apparatus comprises a laser pump () producing laser light, a non-linear optical crystal () within an optical cavity (), wherein the optical cavity () comprises at least two mirrors (); and a tuning crystal () situated between the non-linear optical crystal () and a first one () of the at least two mirrors.