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Thomas Duthel
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Nuernberg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Optical modulator
Patent number
11,949,498
Issue date
Apr 2, 2024
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for pre-distorting an input signal for an opti...
Patent number
11,342,999
Issue date
May 24, 2022
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter self-calibration of time delay and frequency response f...
Patent number
9,991,953
Issue date
Jun 5, 2018
Cisco Technology, Inc.
Christopher Fludger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Calibrating an apparatus supporting pluggable optics
Patent number
9,935,715
Issue date
Apr 3, 2018
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control of LO signal frequency offset between optical transmitters...
Patent number
9,935,720
Issue date
Apr 3, 2018
Cisco Technology, Inc.
Christopher Fludger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control of LO signal frequency offset between optical transmitters...
Patent number
9,735,888
Issue date
Aug 15, 2017
Cisco Technology, Inc.
Christopher Fludger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Calibrating an apparatus supporting pluggable optics
Patent number
9,735,876
Issue date
Aug 15, 2017
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Common mode rejection ratio control for coherent optical receivers
Patent number
9,716,555
Issue date
Jul 25, 2017
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low bit rate signaling with optical IQ modulators
Patent number
9,712,247
Issue date
Jul 18, 2017
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Common mode rejection ratio control for coherent optical receivers
Patent number
9,337,937
Issue date
May 10, 2016
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication transmitter system
Patent number
9,197,327
Issue date
Nov 24, 2015
Cisco Technology, Inc.
Jonas Geyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrical modulator driver circuit for generating multi-level driv...
Patent number
9,136,948
Issue date
Sep 15, 2015
Cisco Technology, Inc.
Juergen Hauenschild
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital frequency offset monitor for coherently detected optical su...
Patent number
9,124,363
Issue date
Sep 1, 2015
Cisco Technology, Inc.
Jonas Geyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pre-distortion techniques for optical modulators to improve constel...
Patent number
8,948,609
Issue date
Feb 3, 2015
Cisco Technology, Inc.
James Whiteaway
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Filter-less generation of coherent optical subcarriers
Patent number
8,638,489
Issue date
Jan 28, 2014
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY...
Publication number
20240259101
Publication date
Aug 1, 2024
Infinera Corp.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY...
Publication number
20240259716
Publication date
Aug 1, 2024
Infinera
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY...
Publication number
20240243812
Publication date
Jul 18, 2024
Infinera Corp.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY...
Publication number
20240163591
Publication date
May 16, 2024
Infinera Corp.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULATOR
Publication number
20220158752
Publication date
May 19, 2022
Cisco Technology, Inc.
Thomas Duthel
G02 - OPTICS
Information
Patent Application
METHOD AND APPARATUS FOR PRE-DISTORTING AN INPUT SIGNAL FOR AN OPTI...
Publication number
20210152254
Publication date
May 20, 2021
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL OF LO SIGNAL FREQUENCY OFFSET BETWEEN OPTICAL TRANSMITTERS...
Publication number
20170310401
Publication date
Oct 26, 2017
Cisco Technology, Inc.
Christopher Fludger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALIBRATING AN APPARATUS SUPPORTING PLUGGABLE OPTICS
Publication number
20170195053
Publication date
Jul 6, 2017
Cisco Technology, Inc.
Thomas DUTHEL
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL OF LO SIGNAL FREQUENCY OFFSET BETWEEN OPTICAL TRANSMITTERS...
Publication number
20170117969
Publication date
Apr 27, 2017
Cisco Technology, Inc.
Christopher Fludger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALIBRATING AN APPARATUS SUPPORTING PLUGGABLE OPTICS
Publication number
20170012709
Publication date
Jan 12, 2017
Cisco Technology, Inc.
Thomas DUTHEL
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMON MODE REJECTION RATIO CONTROL FOR COHERENT OPTICAL RECEIVERS
Publication number
20160226595
Publication date
Aug 4, 2016
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Common Mode Rejection Ratio Control for Coherent Optical Receivers
Publication number
20150256266
Publication date
Sep 10, 2015
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOW BIT RATE SIGNALING WITH OPTICAL IQ MODULATORS
Publication number
20150139665
Publication date
May 21, 2015
Cisco Technology, Inc.
Thomas DUTHEL
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION TRANSMITTER SYSTEM
Publication number
20140064743
Publication date
Mar 6, 2014
CISCO TECHNOLOGY
Jonas Geyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital Frequency Offset Monitor for Coherently Detected Optical Su...
Publication number
20130322877
Publication date
Dec 5, 2013
Cisco Technology, Inc.
Jonas Geyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Pre-Distortion Techniques for Optical Modulators to Improve Constel...
Publication number
20130223849
Publication date
Aug 29, 2013
Cisco Technology, Inc.
James Whiteaway
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Filter-Less Generation of Coherent Optical Subcarriers
Publication number
20130088765
Publication date
Apr 11, 2013
Cisco Technology, Inc.
Thomas Duthel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electrical Modulator Driver Circuit for Generating Multi-Level Driv...
Publication number
20130027763
Publication date
Jan 31, 2013
Cisco Technology, Inc.
Juergen Hauenschild
H04 - ELECTRIC COMMUNICATION TECHNIQUE