26 February 2010 Free space optical communication utilizing mid-infrared interband cascade laser
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Abstract
A Free Space Optical (FSO) link utilizing mid-IR Interband Cascade lasers has been demonstrated in the 3-5 μm atmospheric transmission window with data rates up to 70 Mb/s and bit-error-rate (BER) less than 10-8. The performance of the mid-IR FSO link has been compared with the performance of a near-IR link under various fog conditions using an indoor communication testbed. These experiments demonstrated the lower attenuation and scintillation advantages of a mid-IR FSO link through fog than a 1550 nm FSO link.
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A. Soibel, M. Wright, W. Farr, S. Keo, C. Hill, R. Q. Yang, H. C. Liu, "Free space optical communication utilizing mid-infrared interband cascade laser", Proc. SPIE 7587, Free-Space Laser Communication Technologies XXII, 75870S (26 February 2010); doi: 10.1117/12.845788; https://doi.org/10.1117/12.845788
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