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Sensitivity degradation due to fibre dispersion-induced PM-AM noise in optically preamplified direct detection systems

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Abstract

It is well known that sensitivities as good as 45 photons/bit can be achieved when direct detection systems use ideal optical preamplifiers. We study the degradation in this sensitivity due to the presence of PM-AM noise that is caused by the laser phase noise and fibre dispersion. The results form a basis for the optimum design of optically preamplified direct detection systems by selection of a suitable laser source and fibre.

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Authors and Affiliations

  1. Department of Electrical Engineering, Indian Institute of Technology, Madras-36, India

    F. N. Farokhrooz & J. P. Raina

Authors
  1. F. N. Farokhrooz
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  2. J. P. Raina
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Farokhrooz, F.N., Raina, J.P. Sensitivity degradation due to fibre dispersion-induced PM-AM noise in optically preamplified direct detection systems. Opt Quant Electron 28, 719–723 (1996). https://doi.org/10.1007/BF00411305

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  • DOI: https://doi.org/10.1007/BF00411305

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