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Proceedings Paper

Optimization of duty-cycle of RZ signals and filter bandwidths for optically preamplified receivers
Author(s): Ling Liu; Shiva Kumar
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Paper Abstract

In this paper, we analyse the bit error rate reduction for return-to-zero coding with different duty cycle. It is shown that the optimal design of duty cycle of a given system lies in a compromise between spontaneous emission, intersymbol interferences and interchannel interference. We have carried out the semianalyitic simulations to find the dependence of optimum duty cycle on different system parameters. We found that the optimum duty cycle decreases as the channel spacing increases. For channels without ICI, BER is nearly a constant over a wide range of duty cycle as long as ISI is negligible.

Paper Details

Date Published: 13 October 2005
PDF: 12 pages
Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 59702Q (13 October 2005); doi: 10.1117/12.628398
Show Author Affiliations
Ling Liu, McMaster Univ. (Canada)
Shiva Kumar, McMaster Univ. (Canada)


Published in SPIE Proceedings Vol. 5970:
Photonic Applications in Devices and Communication Systems
Peter Mascher; John C. Cartledge; Andrew Peter Knights; David V. Plant, Editor(s)

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