Analysis of quantitative differences in large-aperture size for free-space optical communication systems with circle polarization shift keying and on-off keying in atmospheric turbulence channels

Chao Liu; Xuelian Yu; Yong Yao

doi:10.1117/12.869962

4 November 2010 Analysis of quantitative differences in large-aperture size for free-space optical communication systems with circle polarization shift keying and on-off keying in atmospheric turbulence channels

Chao Liu, Xuelian Yu, Yong Yao

Author Affiliations +

Proceedings Volume 7854, Infrared, Millimeter Wave, and Terahertz Technologies; 78543M (2010) https://doi.org/10.1117/12.869962
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

A theoretical model is proposed to study quantitative differences in the size of large-aperture between circle polarization shift keying (CPolSK) and on-off keying (OOK). The quantitative differences can be analyzed with the impact from atmospheric condition, link length, and communication wavelength. Numerical results show that FSO CPolSK systems with longer communication wavelength can reduce the size even smaller than the systems using OOK, while it can be not obvious with increasing link length. Meanwhile, increasing average signal-to-noise ratio (SNR) leads to a reduction of the difference in aperture size. These results can be helpful for FSO systems design.

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Chao Liu, Xuelian Yu, and Yong Yao "Analysis of quantitative differences in large-aperture size for free-space optical communication systems with circle polarization shift keying and on-off keying in atmospheric turbulence channels", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78543M (4 November 2010); https://doi.org/10.1117/12.869962

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KEYWORDS

Receivers

Telecommunications

Free space optics

Signal to noise ratio

Polarization

Systems modeling

Atmospheric turbulence

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