Heterodyne receivers for atmospheric optical communications
Abstract
The performance of an optical heterodyne receiver for communication through the clear-air turbulent atmosphere is considered. Optimum and certain suboptimum adaptive processors are developed for receivers that synchronously demodulate the IF signal and those that use envelope demodulation. Error probabilities are presented demonstrating the effects of turbulence level, signal strength, and spatial diversity on binary orthogonal communication systems. In addition, a simple expression is developed for the optimum aperture size of an optical heterodyne receiver.
- Publication:
-
Applied Optics
- Pub Date:
- February 1980
- DOI:
- 10.1364/AO.19.000582
- Bibcode:
- 1980ApOpt..19..582C
- Keywords:
-
- Adaptive Optics;
- Atmospheric Optics;
- Clear Air Turbulence;
- Optical Communication;
- Optical Heterodyning;
- Signal Reception;
- Superheterodyne Receivers;
- Apertures;
- Demodulation;
- Error Analysis;
- Optimal Control;
- Transmission Efficiency;
- Turbulence Effects;
- Communications and Radar;
- TURBULENCE;
- HETERODYNING;
- OPTICAL COMMUNICATIONS;
- ATMOSPHERIC OPTICS