The author declares no competing interests. End of generated paper.

[2] Chen, G., et al. (2024). 10 Gbps solar-blind UV communication using AlGaN nanowire LEDs. Nature Photonics , 18, 234-241.

A silicon carbide (SiC) avalanche photodiode with a rejection ratio of ( 10^{12} ) for visible/IR light. Dark count rates are < 10 Hz.

[4] Shaw, G. A., et al. (2023). NLOS UV communication for ad-hoc networks in obstructed environments. Journal of Lightwave Technology , 41(7), 1988-1999. j.sinclair@photonics.ipa.edu

OOK (On-Off Keying) with pulse-position modulation at 500 MHz. Range: 1.2 km. Data Rate: 9.8 Gbps (measured, with BER < ( 10^{-9} )).