Signal-To-Noise Ratio Improvement Of Analog Pulse-Position Modulation Over Analog Intensity Modulation In Optical Communication Links

C. R. Patisaul

doi:10.1117/12.954474

6 November 1975 Signal-To-Noise Ratio Improvement Of Analog Pulse-Position Modulation Over Analog Intensity Modulation In Optical Communication Links

C. R. Patisaul

Author Affiliations +

Proceedings Volume 0063, Guided Optical Communications; (1975) https://doi.org/10.1117/12.954474
Event: 19th Annual Technical Symposium, 1975, San Diego, United States

Abstract

This paper presents a comparison of the performance of optical communication links employing analog pulse-position modulation and analog intensity modulation. In particular, the theoretical output signal-to-noise ratios for the two types of modulation are compared assuming "equivalent" optical links. Analog pulse-position modulation offers signal-to-noise ratio improvement over intensity modulation at the expense of increased system complexity and expanded transmission band-width. The effect of timing errors on the signal-to-noise ratio of the pulse-position modulation receiver is considered, and it is shown that these errors can degrade performance significantly from theoretical .

Citation Download Citation

C. R. Patisaul "Signal-To-Noise Ratio Improvement Of Analog Pulse-Position Modulation Over Analog Intensity Modulation In Optical Communication Links", Proc. SPIE 0063, Guided Optical Communications, (6 November 1975); https://doi.org/10.1117/12.954474

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