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:
Aug. 04, 2015
Filed:
Dec. 17, 2012
Applicant:
Keysight Technologies, Inc., Minneapolis, MN (US);
Inventor:
Douglas Baney, Santa Clara, CA (US);
Assignee:
Keysight Technologies, Inc., Santa Rosa, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/61 (2013.01);
U.S. Cl.
CPC ...
H04B 10/61 (2013.01); H04B 10/614 (2013.01); H04B 10/615 (2013.01);
Abstract
A coherent optical receiver includes a local oscillator (LO) laser configured to provide an LO signal. The LO laser includes a hybrid external cavity and an active gain medium within the hybrid external cavity, where the LO laser is defined between a first optical reflector on a chip including the active gain medium and a second optical reflector not on the chip.