Optical communications with femtosecond lasers

Jianchao Li; Haifeng Zhang; David Doerr; Dennis R. Alexander

doi:10.1117/12.690618

16 October 2006 Optical communications with femtosecond lasers

Jianchao Li, Haifeng Zhang, David Doerr, Dennis R. Alexander

Proceedings Volume 6399, Advanced Free-Space Optical Communication Techniques/Applications II and Photonic Components/Architectures for Microwave Systems and Displays; 639908 (2006) https://doi.org/10.1117/12.690618
Event: Optics/Photonics in Security and Defence, 2006, Stockholm, Sweden

Abstract

Free space optical communications using 9-10 fs pulses was investigated through aerosol clouds approaching 10⁴ to 10⁵ particles per cm³ in a 15 cm long tube containing aerosol particles 4-5 μm in diameter. This small size is representative of the most difficult situation for the transmission of light through the atmosphere. The ultra fast pulse transmission were compared to continuous wave (cw) transmission through the exact same aerosols clouds and compared to the ultra short pulses. Results indicate that there was increased transmission for the ultra short laser pulses, but was not as high as expected. The results now can be explained by a recent paper demonstrating that deviation from the Beer Lambert law does not occur until the ultra short pulse transverses a longer path length in water. Results will be presented on the pulse dispersion in water and glass.

Citation Download Citation

Jianchao Li, Haifeng Zhang, David Doerr, and Dennis R. Alexander "Optical communications with femtosecond lasers", Proc. SPIE 6399, Advanced Free-Space Optical Communication Techniques/Applications II and Photonic Components/Architectures for Microwave Systems and Displays, 639908 (16 October 2006); https://doi.org/10.1117/12.690618

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