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.

Date of Patent:
Jun. 04, 2019

Filed:

Jun. 30, 2017
Applicant:

Luxtera, Inc., Carlsbad, CA (US);

Inventors:

Greg Young, Irvine, CA (US);

Peter DeDobbelaere, San Diego, CA (US);

Assignee:

Luxtera, Inc., Carlsbad, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/00 (2006.01); H04B 10/54 (2013.01); H04B 10/032 (2013.01); H04B 10/50 (2013.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
H04B 10/541 (2013.01); H04B 10/032 (2013.01); H04B 10/503 (2013.01); H04B 10/505 (2013.01); G02F 2001/212 (2013.01);
Abstract

Methods and systems for redundant light sources by utilizing two inputs of an integrated modulator are disclosed and may include: an optoelectronic transmitter integrated in a semiconductor die with first and second laser sources coupled to the semiconductor die, said optoelectronic transmitter comprising an optical modulator with a first input waveguide coupled to the first laser source and second input waveguide coupled to the second laser source, the optoelectronic receiver being operable to: configure the first laser source to provide an optical signal to the first input of the optical modulator; and if the first laser source does not provide an optical signal, configure the second laser source to provide an optical signal to the second input of the optical modulator. The first laser source may be optically coupled to the first input waveguide and the second laser source optically coupled to the second input waveguide using grating couplers.


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