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Updated: Jul 2, 2026
07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Performance of synchronous optical receivers using atmospheric compensation techniques
Aniceto Belmonte1, Joseph Khan
1Department of Signal Theory and Communications, Technical University of Catalonia, 08034 Barcelona, Spain.
Optics Express
|September 6, 2008
Summary
We developed a model for atmospheric turbulence effects on free-space optical links. Our findings quantify signal-to-noise ratio fluctuations and error probabilities for enhanced optical communication systems.
Area of Science:
- Optics and Photonics
- Optical Communication Systems
- Atmospheric Physics
Background:
- Atmospheric turbulence causes signal degradation in free-space optical (FSO) links.
- Phase and amplitude fluctuations impact link performance and reliability.
- Accurate modeling is crucial for designing robust FSO communication systems.
Purpose of the Study:
- To model the impact of atmospheric turbulence on FSO links.
- To derive exact expressions for signal-to-noise ratio probability density functions.
- To evaluate error probabilities for M-ary phase-shift keying under turbulence.
Main Methods:
- Synchronous detection was employed for modeling.
- Log-normal and Gaussian fluctuation models were used for amplitude and phase, respectively.
- Analysis included passive receivers and active modal compensation techniques.
Main Results:
- Exact expressions for signal-to-noise ratio probability density functions were derived.
- Error probabilities for M-ary phase-shift keying were computed.
- The influence of receiver aperture size and modal compensation on performance was evaluated.
Conclusions:
- The developed model accurately predicts the effects of atmospheric turbulence on FSO links.
- Active modal compensation can significantly mitigate turbulence-induced performance degradation.
- The study provides valuable insights for optimizing FSO communication system design.
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