Free space laser telecommunication through fog
arXiv:1810.09800 · doi:10.1364/OPTICA.5.001338
Abstract
Atmospheric clearness is a key issue for free space optical communications (FSO). We present the first active method to achieve FSO through clouds and fog, using ultrashort high intensity laser filaments. The laser filaments opto-mechanically expel the droplets out of the beam and create a cleared channel for transmitting high bit rate telecom data at 1.55 microns. The low energy required for the process allows considering applications to Earth-satellite FSO and secure ground based optical communication, with classical or quantum protocols.
arXiv comment4 pages + 2 pages supplementary text and movies
References in corpus (5)
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- Time-Resolved Measurements of Cumulative Effects in Gas Dynamics Induced by High-Repetition-Rate Femtosecond Laser Filamentation
- The universality of filamentation-caused challenges of ultrafast laser energy deposition in semiconductors
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- Physics and technology of Laser Lightning Control
- Two statistical regimes in the transition to filamentation