Experimental Mitigation of Atmospheric Turbulence Effect using Pre-Channel Combining Phase Patterns for Uni- and Bidirectional Free-Space Optical Links with Two 100-Gbit/s OAM-Multiplexed Channels

2019 ◽  
Author(s):  
Haoqian Song ◽  
Hao Song ◽  
Runzhou Zhang ◽  
Karapet Manukyan ◽  
Long Li ◽  
...  
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Free Space Optical ◽  
Optical Links ◽  
Turbulence Effect

scholarly journals Effects of source spatial partial coherence on temporal fade statistics of irradiance flux in free-space optical links through atmospheric turbulence

2013 ◽  
Vol 21 (24) ◽  
pp. 29731 ◽  
Author(s):  
Chunyi Chen ◽  
Huamin Yang ◽  
Zhou Zhou ◽  
Weizhi Zhang ◽  
Mohsen Kavehrad ◽  
...  
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Partial Coherence ◽  
Free Space Optical ◽  
Optical Links ◽  
Fade Statistics

scholarly journals ANALYSIS OF ATMOSPHERIC TURBULENCE EFFECT ON FREE SPACE OPTICAL COMMUNICATIONS IN ILORIN, KWARA STATE, NIGERIA

2019 ◽  
Vol 10 (2) ◽  
pp. 126-133
Author(s):  
Olukanni E. S. ◽  
◽  
Olayemi O. A. ◽  
Amao E. ◽  
Adeyemi J. A. ◽  
...  
Keyword(s):  
Atmospheric Turbulence ◽  
Optical Communications ◽  
Free Space ◽  
Free Space Optical ◽  
Turbulence Effect

Enhance the Performance of Free Space Optical (FSO) Communication due to Atmospheric Turbulence via the Dual Diffuser Modulation (DDM)

2013 ◽  
Vol 594-595 ◽  
pp. 1027-1031 ◽  
Author(s):  
Abdul Kram Rahman ◽  
S.A. Aljunid ◽  
M.S. Anuar ◽  
H.A. Fadhil
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Direct Detection ◽  
Conventional Technique ◽  
Free Space Optical ◽  
Numerical Result ◽  
Mode Detection ◽  
Result Show ◽  
Space Optical Communication ◽  
Turbulence Effect

This paper focus on mitigating the atmospheric turbulence effect in free space optical communication using dual diffuser modulation (DDM) technique. Phase screen diffuser located on transmitter create 'new' beam wave to propagate through turbulence more efficiently. This technique uses two transmitter and differential mode detection at the receiver. The numerical result show that the DDM produce better performance compare to conventional FSO that using intensity modulation/direct detection (IM/DD) for On-Off Keying Modulation (OOK). The reduction in the scintillation level also improve in DDM compare to conventional technique that using a perfectly coherence beam.

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