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Proceedings Paper

Modulation Techniques For Deep-Space Pulse-Position Modulation (PPM) Optical Communication
Author(s): Marc D. Rayman; Deborah L. Robinson
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Paper Abstract

JPL is actively pursuing the use of optical communications with deep-space probes using the extremely energy-efficient pulse-position modulation (PPM) format. We are studying and developing the critical technologies for this, including the use of different modulation schemes for efficiently producing laser pulses over a broad range of repetition rates. Diode-pumped Nd:YAG is envisioned to be the source, and two principal types of modulation are available: Q-switching and cavity dumping. These two techniques are discussed, and numerical calculations of cavity dumping are described.

Paper Details

Date Published: 2 May 1988
PDF: 4 pages
Proc. SPIE 0885, Free-Space Laser Communication Technologies, (2 May 1988); doi: 10.1117/12.976546
Show Author Affiliations
Marc D. Rayman, California Institute of Technology (United States)
Deborah L. Robinson, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 0885:
Free-Space Laser Communication Technologies
David L. Begley; Gerhard A. Koepf, Editor(s)

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