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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2002),
  • paper CThN6

Free-space Mid-Infrared Link for Transmission of Multimedia Data Using Quantum Cascade Lasers

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Abstract

Bridging the so-called “last mile” in telecommunication networks has revived interest in free space optical (FSO) data transmission links. Under low visibility conditions the reliability of these links is limited due to high atmospheric scatterings rates, in contrast, mid-infrared (MIR) links promise higher stability. Such links were recently demonstrated1,2 using Quantum Cascade (QC) Lasers, a versatile semiconductor laser system for the MIR band (λ. ~ 3.5 - 24 μm).3 In this talk we present the first atmospheric transmission of complex data (multimedia satellite channels) with a MIR QC laser and compare the performance of this link to one operating in the near infrared (λ= 0.85 μm).

© 2002 Optical Society of America

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