2024
DOI: 10.1364/oe.519522
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Rayleigh length extension in long-distance free-space optical communications based on lens group optimization

Jinfeng Liu,
Chengkun Cai,
Shuo Wang
et al.

Abstract: In the field of high-speed data transmission, wireless optical communications provide a paradigm shift from the conventional tethered connections, offering promising bandwidth and minimal latency. The cornerstone of such systems lies in their ability to precisely control the propagation of Gaussian beams, which are favored due to their inherent properties of minimal divergence and high spatial coherence over long distances. Efficient transmission hinges on the proper manipulation of these beams’ spatial charac… Show more

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