Bandwidth requirements for direct detection optical communication receivers with PPM signaling

Frederic M. Davidson; Xiaoli Sun; Michael Anthony Krainak

doi:10.1117/12.43744

1 June 1991 Bandwidth requirements for direct detection optical communication receivers with PPM signaling

Frederic M. Davidson, Xiaoli Sun, Michael Anthony Krainak

Proceedings Volume 1417, Free-Space Laser Communication Technologies III; (1991) https://doi.org/10.1117/12.43744
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

The performance of a direct detection optical communication receiver for pulse position modulation (PPM) signal formats which contains an avalanche photodiode photodetector is calculated as a function of the parameters which characterize a raised cosine filter used in the receiver. It is shown that the performance penalty of this receiver relative to that of an optimal receiver which contains an integrator and assumes a perfectly rectangular PPM pulse shape is less than 1 dB at a receiver bit error rate of 10 exp -6. The advantage of the raised cosine filter is that the electrical bandwidth required is no more than one-half that of the integrator, that is, 1/tau as opposed to 2/tau where tau is the PPM time slot duration.

Citation Download Citation

Frederic M. Davidson, Xiaoli Sun, and Michael Anthony Krainak "Bandwidth requirements for direct detection optical communication receivers with PPM signaling", Proc. SPIE 1417, Free-Space Laser Communication Technologies III, (1 June 1991); https://doi.org/10.1117/12.43744

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