The effects of turbulent aberrations on an optical communication system based on orbital angular momentum-carrying beams

Yi-xin Zhang; Jian-cai Xu; Jian-yu Wang; Jian-jun Jia

doi:10.1117/12.834160

31 August 2009 The effects of turbulent aberrations on an optical communication system based on orbital angular momentum-carrying beams

Yi-xin Zhang, Jian-cai Xu, Jian-yu Wang, Jian-jun Jia

Author Affiliations +

Proceedings Volume 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging; 738246 (2009) https://doi.org/10.1117/12.834160
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

A photon communication system based on orbital angular momentum (OAM)-carrying beams is studied. We compartmentalize the atmospheric aberration into tilt,coma, astigmatism as well as defous. We numerically analyze the effects of tilt on the orbital angular momentum of communication beams and find that the tilt aberration can induce the noisy OAM. With the increasing of parameters P, L, the probability of initial OAM goes down while the effective number of noise OAM increases. At the same time, the peaks of the induced OAM probability (max-probability) are different as the P, L, changes. The increase of zenith angle damages the probability and leads to noisy OAM. This can also be applied to the impact of refractive index structure parameter. We also numerically analyze the effects which receiving-radius puts on the receiving probability of initial OAM through tilt aberration. Under the influence of tilt, the receiving probability of previous orbital angular momentum slashs with the receiving-radius becoming large.

Citation Download Citation

Yi-xin Zhang, Jian-cai Xu, Jian-yu Wang, and Jian-jun Jia "The effects of turbulent aberrations on an optical communication system based on orbital angular momentum-carrying beams", Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 738246 (31 August 2009); https://doi.org/10.1117/12.834160

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