CUED Publications database

Design of a 1 Tb/s superchannel coherent receiver

Millar, DS and Maher, R and Lavery, D and Koike-Akino, T and Pajovic, M and Alvarado, A and Paskov, M and Kojima, K and Parsons, K and Thomsen, BC and Savory, SJ and Bayvel, P (2016) Design of a 1 Tb/s superchannel coherent receiver. Journal of Lightwave Technology, 34. pp. 1453-1463. ISSN 0733-8724

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Abstract

© 2016 IEEE. We describe the design of a trained and pilot-aided digital coherent receiver, capable of detecting a 1 Tb/s superchannel with a single optical front-end. Algorithms for receiver training are described, which calculate the equalizer coefficients, subchannel SNRs, and centroids of the transmitted constellations. Algorithms for pilot-aided operation are then described in detail, providing pilot-aided constant modulus equalization and joint carrier-phase estimation over several coherent subchannels. We demonstrate the detection of a superchannel with net bit rate in excess of 1 Tb/s with a single coherent receiver. An 11× 10 GBd DP-64QAM Nyquist superchannel is used, with 1.32 Tb/s gross bit rate.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 18:58
Last Modified: 21 Nov 2017 03:49
DOI: