Wireless optical transmission of 450 nm, 3.2 Gbit/s 16-QAM-OFDM signals over 6.6 m underwater channel
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Abstract
We experimentally realized a gigabit underwater wireless optical communication system using commercially available 450 nm blue laser diode. By implementing 16-QAM-OFDM modulation, we achieved data rate of 3.2 Gbit/s with a BER of 6.83x10(-4) over 6.6 m channel.