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Journal article

Automatic DGD and GVD compensation at 640 Gb/s based on scalar radio-frequency spectrum measurement

By Paquot, Yvan1; Schröder, Jochen1; Palushani, Evarist2,3; Neo, Richard1; Oxenløwe, Leif Katsuo2,3; Madden, Steve4; Choi, Duk-Yong4; Luther-Davies, Barry4; Pelusi, Mark D.1; Eggleton, Benjamin J.1

From

University of Sydney1

Department of Photonics Engineering, Technical University of Denmark2

Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark3

Australian National University4

We demonstrate what we believe to be the first real-time impairment-cancellation system for group-velocity dispersion (GVD) and differential group delay (DGD) for a 640  Gb/s single-channel signal. Simultaneous compensation of two independent parameters is demonstrated by feedback control of separate GVD and DGD compensators using an impairment monitor based on an integrated all-optical radio-frequency (RF) spectrum analyzer.

We show that low-bandwidth measurement of only a single tone in the RF spectrum is sufficient for automatic compensation for multiple degrees of freedom using a multivariate optimization scheme.

Language: English
Year: 2013
Pages: 1919-1927
ISSN: 15394522 , 00036935 , 1559128x and 21553165
Types: Journal article
DOI: 10.1364/AO.52.001919
ORCIDs: Oxenløwe, Leif Katsuo

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