Optically preamplified n-ary PPM systems

Robert A. Cryan; Andrew J. Phillips; John M. Senior

doi:10.1117/12.161353

1 November 1993 Optically preamplified n-ary PPM systems

Robert A. Cryan, Andrew J. Phillips, John M. Senior

Proceedings Volume 2024, Multigigabit Fiber Communication Systems; (1993) https://doi.org/10.1117/12.161353
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

Citation Download Citation

Robert A. Cryan, Andrew J. Phillips, and John M. Senior "Optically preamplified n-ary PPM systems", Proc. SPIE 2024, Multigigabit Fiber Communication Systems, (1 November 1993); https://doi.org/10.1117/12.161353

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