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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 29, Iss. 9 — May. 1, 2011
  • pp: 1219–1226

Filter Optimization for Self-Homodyne Coherent WDM Systems Using Interleaved Polarization Division Multiplexing

Martin Sjödin, Erik Agrell, Pontus Johannisson, Guo-Wei Lu, Peter A. Andrekson, and Magnus Karlsson

Journal of Lightwave Technology, Vol. 29, Issue 9, pp. 1219-1226 (2011)


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Abstract

We examine the impact of filtering on self-homodyne coherent WDM systems using the interleaved polarization division-multiplexing scheme. To investigate the performance limit and to provide more insight into previously obtained experimental results, we perform numerical simulations in which different filter shapes and filter bandwidths are used. It is shown that with proper prefiltering of the data and filtering of the pilot tone in the receiver, performance can approach that of an intradyne system. This would make it possible to implement coherent systems with high spectral efficiency without any digital signal processing in the receiver.

© 2011 IEEE

Citation
Martin Sjödin, Erik Agrell, Pontus Johannisson, Guo-Wei Lu, Peter A. Andrekson, and Magnus Karlsson, "Filter Optimization for Self-Homodyne Coherent WDM Systems Using Interleaved Polarization Division Multiplexing," J. Lightwave Technol. 29, 1219-1226 (2011)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-29-9-1219


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