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Free space laser telecommunication through fog
Optica ( IF 8.4 ) Pub Date : 2018-10-18 , DOI: 10.1364/optica.5.001338
Guillaume Schimmel , Thomas Produit , Denis Mongin , Jérôme Kasparian , Jean-Pierre Wolf

Atmospheric clearness is a key issue for free space optical communications (FSO). We present an 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 μm. 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.

中文翻译:

雾中的自由空间激光通信

大气清洁度是自由空间光通信(FSO)的关键问题。我们提出了一种使用超短高强度激光灯丝通过云雾实现FSO的有效方法。激光灯丝以光机械方式将液滴从光束中喷出,并创建了一个清晰的通道,用于传输1.55μm的高比特率电信数据。该过程所需的低能量允许考虑使用经典或量子协议将其应用于地球卫星FSO和安全的基于地面的光通信。
更新日期:2018-10-19
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