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Proceedings Paper

Clock and carrier recovery in high-speed coherent optical communication systems
Author(s): Sofia B. Amado; Ricardo Ferreira; Pedro S. Costa; Fernando P. Guiomar; Somayeh Ziaie; António L. Teixeira; Nelson J. Muga; Armando N. Pinto
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Paper Abstract

In this paper, the implementations of clock and carrier recovery in digital domain are analyzed. Hardware implementation details, resources estimation and real-time results are presented. Analog-to-Digital Converters (ADC), operating at 1.25Gsa/s, and a Virtex-6 Field-Programmable Gate Array (FPGA), have been used, allowing the implementation of a real-time Quadrature Phase Shift Keying (QPSK) system operating at 1.25Gb/s. The real-time mode operation is successfully demonstrated over 80 km of Standard Single Mode Fiber (SSMF).

Paper Details

Date Published: 22 August 2014
PDF: 7 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92864M (22 August 2014); doi: 10.1117/12.2063761
Show Author Affiliations
Sofia B. Amado, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
Ricardo Ferreira, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
Pedro S. Costa, PT Inovação e Sistemas (Portugal)
Fernando P. Guiomar, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
Somayeh Ziaie, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
António L. Teixeira, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
Nelson J. Muga, Univ. de Aveiro (Portugal)
Armando N. Pinto, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)


Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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