Dual parallel Mach-Zehnder-modulator device with pre-distorted driving voltages

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United States of America

PATENT NO 11296796
APP PUB NO 20190199442A1
SERIAL NO

16286147

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Abstract

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Disclosed herein is a dual parallel Mach-Zehnder-modulator (DPMZM) device comprising a DPMZM 10 having first and second inner MZMs arranged parallel to each other. The first inner MZM generates an in-phase component EI of an optical signal in response to a first driving voltage VI, and the second inner MZM generates a quadrature component EQ of said optical signal in response to a second driving voltage VQ. Further disclosed is a calculation unit 52 configured for receiving an in-phase component yI and a quadrature component yQ of a desired base-band signal, and for calculating pre-distorted first and second driving voltages VI, VQ. The calculation of the pre-distorted first and second driving voltages VI, VQ is based on a model of said DPMZM 10 accounting for I-Q cross-talk, and using an algorithm that determines said first and second driving voltages VI, VQ each as a function of both of said in-phase and quadrature components yI, yQ of said base-band signal.

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Patent Owner(s)

Patent OwnerAddress
XIEON NETWORKS S A R L2536 LUXEMBOURG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bianciotto, Alessandro Gottingen, DE 6 31
Calabró, Stefano Munich, DE 4 1
Kuschnerov, Maxim Munich, DE 11 52
Mezghanni, Mahdi Munich, DE 2 4
Napoli, Antonio Munich, DE 9 59
Spinnler, Bernhard Oberhaching, DE 33 202

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