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Proceedings Paper

Real-time coherent OFDM transmission
Author(s): Noriaki Kaneda; Timo Pfau; Qi Yang; Y. K. Chen
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Paper Abstract

We review the recent development in real-time coherent optical OFDM (CO-OFDM) transmission for their algorithm and implementation. The unique challenge of real-time implementation of OFDM for high speed optical data transmission including relatively large phase noise, frequency offset and dynamically changing optical channels are discussed. The fundamental digital signal processing (DSP) architectures of transmitter and receiver are presented in the manner achievable in state of the art field-programmable gate arrays (FPGAs) or application-specific integrated circuits (ASICs). Primary DSP components' algorithms and implementations are presented and discussed. The successful demonstration of real-time CO-OFDM receivers includes a receiver with sampling rate of 2.5-Gsamples/s to receive a 3.55-Gb/s single channel and 53.3-Gb/s multi-band CO-OFDM signal.

Paper Details

Date Published: 25 January 2011
PDF: 8 pages
Proc. SPIE 7960, Coherent Optical Communication: Components, Subsystems, and Systems, 796004 (25 January 2011); doi: 10.1117/12.881342
Show Author Affiliations
Noriaki Kaneda, Alcatel-Lucent (United States)
Timo Pfau, Alcatel-Lucent (United States)
Qi Yang, Wuhan Research Institute of Posts & Telecommunications (China)
Y. K. Chen, Alcatel-Lucent (United States)


Published in SPIE Proceedings Vol. 7960:
Coherent Optical Communication: Components, Subsystems, and Systems
Guifang Li; Dieter Stefan Jäger, Editor(s)

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