3588 attenuation lengths and 332 bits/photon underwater optical wireless communication based on photon-counting receiver with 256-PPM

Siqi Hu, Le Mi, Tianhua Zhou, Weibiao Chen

Optics Express · 2018 · 116 citations · 9 references

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Abstract

in a distance of 120-m distance in Jerlov II water for RS (255,127) with 256-pulse-position modulation (PPM) at bandwidth of 13.7 MHz. The maximum link loss was -136.8 dB at λ = 532 nm. The attenuation lengths Natt were 35.88, which were equal at link distances up to 249.2 m in clear ocean water (Jerlov IB water type). The photon counting receiver system can achieve a receiving performance of 3.32 bits/photon. To the best of our knowledge, this is the longest communication attenuation length ever reported under 1 mJ single pulse energy for a narrow field-of-view photon-counting receiver system.

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