48 Gbit/s 16-QAM-OFDM transmission based on compact 450-nm laser for underwater wireless optical communication
Top Cited Papers
- 26 August 2015
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 23 (18), 23302-23309
- https://doi.org/10.1364/oe.23.023302
Abstract
We experimentally demonstrate an underwater wireless optical communications (UWOC) employing 450-nm TO-9 packaged and fiber-pigtailed laser diode (LD) directly encoded with an orthogonal frequency division multiplexed quadrature amplitude modulation (QAM-OFDM) data. A record data rate of up to 4.8 Gbit/s over 5.4-m transmission distance is achieved. By encoding the full 1.2-GHz bandwidth of the 450-nm LD with a 16-QAM-OFDM data, an error vector magnitude (EVM) of 16.5%, a signal-to-noise ratio (SNR) of 15.63 dB and a bit error rate (BER) of 2.6 × 10−3, well pass the forward error correction (FEC) criterion, were obtained.Funding Information
- King Abdulaziz City for Science and Technology (KACST)
- King Abdullah University of Science and Technology (KAUST)
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