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:
Jan. 15, 2019
Filed:
Jan. 04, 2017
Infinera Corporation, Sunnyvale, CA (US);
Peter W. Evans, Tracy, CA (US);
Jeffrey T. Rahn, Sunnyvale, CA (US);
Vikrant Lal, Sunnyvale, CA (US);
Miguel Iglesias Olmedo, Sunnyvale, CA (US);
Amir Hosseini, Sunnyvale, CA (US);
Parmijit Samra, Fremont, CA (US);
Scott Corzine, Sunnyvale, CA (US);
Ryan W. Going, Sunnyvale, CA (US);
Infinera Corporation, Sunnyvale, CA (US);
Abstract
Methods, systems, and apparatus, including an optical receiver including a laser including a gain section; and a first tunable reflector configured to output a reference signal; a first coupler formed over the substrate; a shutter variable optical attenuator formed over the substrate, the shutter variable optical attenuator including an input port configured to receive the first portion of the reference signal from the laser; and an output port configured to provide or to block, based on a control signal, the first portion of the reference signal from the laser; and a second coupler including a first port configured to receive the first portion of the reference signal from the shutter variable optical attenuator; and a second port configured to (i) provide the first portion of the reference signal from the shutter variable optical attenuator to an optical analyzer or (ii) receive a data signal from a transmitter.