Scintillation effect on intensity modulated laser communication systems—a laboratory demonstration

Wasiu O. Popoola; Zabih Ghassemlooy; Chung Ghiu  Lee; Anthony Boucouvalas

doi:10.1016/j.optlastec.2009.11.011

Scintillation effect on intensity modulated laser communication systems—a laboratory demonstration

Wasiu O. Popoola, Zabih Ghassemlooy , Chung Ghiu Lee , Anthony Boucouvalas

Research output: Contribution to journal › Article › peer-review

Abstract

This paper shows the impact of atmospheric turbulence-induced fading on the symbol decision position in the on-off keying (OOK) and the binary phase shift keying (BPSK) subcarrier intensity modulated (SIM) laser communication link. Weak turbulence is simulated in the laboratory using a chamber equipped with heating elements and fans. We have shown that in atmospheric turbulence, it is advantageous to employ modulation schemes such as pulse time and subcarrier intensity modulations that do not directly impress data on the optical irradiance as is the case with the OOK.

Original language	English
Pages (from-to)	682–692
Number of pages	11
Journal	Optics & Laser Technology
Volume	42
Issue number	4
DOIs	https://doi.org/10.1016/j.optlastec.2009.11.011
Publication status	Published - Jun 2010

Keywords

atmospheric turbulence
free-space optics
laser communications

Documents and Links

10.1016/j.optlastec.2009.11.011

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abstract = "This paper shows the impact of atmospheric turbulence-induced fading on the symbol decision position in the on-off keying (OOK) and the binary phase shift keying (BPSK) subcarrier intensity modulated (SIM) laser communication link. Weak turbulence is simulated in the laboratory using a chamber equipped with heating elements and fans. We have shown that in atmospheric turbulence, it is advantageous to employ modulation schemes such as pulse time and subcarrier intensity modulations that do not directly impress data on the optical irradiance as is the case with the OOK. ",

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AB - This paper shows the impact of atmospheric turbulence-induced fading on the symbol decision position in the on-off keying (OOK) and the binary phase shift keying (BPSK) subcarrier intensity modulated (SIM) laser communication link. Weak turbulence is simulated in the laboratory using a chamber equipped with heating elements and fans. We have shown that in atmospheric turbulence, it is advantageous to employ modulation schemes such as pulse time and subcarrier intensity modulations that do not directly impress data on the optical irradiance as is the case with the OOK.

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KW - free-space optics

KW - laser communications

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DO - 10.1016/j.optlastec.2009.11.011

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