Rigorous characterization of optically preamplified pulse position modulation for fiber optic communication systems

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

doi:10.1117/12.201299

17 February 1995 Rigorous characterization of optically preamplified pulse position modulation for fiber optic communication systems

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

Author Affiliations +

Proceedings Volume 2450, Broadband Networks: Strategies and Technologies; (1995) https://doi.org/10.1117/12.201299
Event: Advanced Networks and Services, 1995, Amsterdam, Netherlands

Abstract

By applying a Chernoff bound to the error probability of an optically preamplified pulse position modulation (PPM) receiver we are able to present sensitivity results for various length PPM words. In exhibiting a potential sensitivity benefit of 7.1 dB these results compare extremely well to those obtainable from an equivalent on-off keyed non-return to zero (OOK NRZ) system. The results further demonstrate the possibilities of such a receiver configuration by surpassing the fundamental limit of an optically preamplified OOK NRZ receiver and approaching the sensitivity of coherent systems. Additionally a Gaussian approximation is formulated and we compare the Chernoff bound results with those obtainable from the approximation.

Citation Download Citation

Andrew J. Phillips, Robert A. Cryan, and John M. Senior "Rigorous characterization of optically preamplified pulse position modulation for fiber optic communication systems", Proc. SPIE 2450, Broadband Networks: Strategies and Technologies, (17 February 1995); https://doi.org/10.1117/12.201299

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