1 November 1993 Optically preamplified n-ary PPM systems
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Abstract
An analysis is presented for an optical fiber n-ary pulse position modulation (PPM) system employing optical preamplification. Calculations, performed at a bit-rate of 622 Mbit/s and a wavelength of 1.53 micrometers , demonstrate that the incorporation of an optical preamplifier leads to a sensitivity benefit of 13.3 dB compared to the non-preamplified case and a sensitivity improvement of 7.5 dB over an equivalent PCM system. Further, the work also shows that sensitivities approaching that of homodyne PSK PCM are potentially achievable.
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Robert A. Cryan, Robert A. Cryan, Andrew J. Phillips, Andrew J. Phillips, John M. Senior, John M. Senior, } "Optically preamplified n-ary PPM systems", Proc. SPIE 2024, Multigigabit Fiber Communication Systems, (1 November 1993); doi: 10.1117/12.161353; https://doi.org/10.1117/12.161353
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