40Gbit/s polarization modulation in ultra-long haul transmission systems by using optical phase conjugators

Andy L. Y. Low; Y. K. Chan; S. F. Chien; A. H. You; T. S. Guan

doi:10.1587/elex.1.386

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40Gbit/s polarization modulation in ultra-long haul transmission systems by using optical phase conjugators

Andy L. Y. Low, Y. K. Chan, S. F. Chien, A. H. You, T. S. Guan

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Keywords: polarization modulation (POLSK), optical transmission, optical phase conjugator, ultra-long haul communication, wavelength division multiplexing

JOURNAL FREE ACCESS

2004 Volume 1 Issue 13 Pages 386-391

DOI https://doi.org/10.1587/elex.1.386

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Abstract

In this paper, we present a numerical investigation on the performance of 40Gbit/s polarization modulation (POLSK) in ultra-long haul transmission systems by using optical phase conjugator (OPC). The effects of both semiconductor optical amplifier (SOA) and dispersion shifted fiber (DSF) based OPCs on the 10,000km system are investigated. It is found that only 53 SOA based OPCs are needed in order to achieve the bit-error-rate (BER) of less than 10^-9 in comparison to 69 DSF based OPCs. In addition, with the introduction of 100 SOA based OPCs, the system can withstand the fiber nonlinearity of up to 2.0W^-1km^-1 for a 15,000km transmission distance.

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