An 8 m/9.6 Gbps Underwater Wireless Optical Communication System

An 8 m/9.6 Gbps Underwater Wireless Optical Communication System

An 8 m/9.6 Gbps underwater wireless optical communication (UWOC) system based on a two-stage injection-locked 405 nm blue light laser diode (LD) transmitter with a 16-quadrature amplitude modulation (QAM)-orthogonal frequency-division multiplexing (OFDM) modulating s...

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Bibliographic Details
Main Authors: Hai-Han Lu, Chung-Yi Li, Hung-Hsien Lin, Wen-Shing Tsai, Chien-An Chu, Bo-Rui Chen, Chang-Jen Wu
Format: Article
Language:English
Published: IEEE 2016-01-01
Series:IEEE Photonics Journal
Subjects:
Quadrature-amplitude modulation (QAM)-orthogonal frequency-division multiplexing (OFDM)
fiber collimator
two-stage injection-locked technique
underwater wireless optical communication.
Online Access:https://ieeexplore.ieee.org/document/7547906/
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Summary:An 8 m/9.6 Gbps underwater wireless optical communication (UWOC) system based on a two-stage injection-locked 405 nm blue light laser diode (LD) transmitter with a 16-quadrature amplitude modulation (QAM)-orthogonal frequency-division multiplexing (OFDM) modulating signal is proposed and experimentally demonstrated. To the best of our knowledge, it is the first one that employs a two-stage injection-locked technique to improve the transmission performance of UWOC systems. With the assistance of an equalizer at the receiver site, acceptable bit error rate (BER) performance and a constellation map are obtained over an 8-m underwater link. Such a two-stage injection-locked 405 nm blue light LD transmitter-based UWOC system is shown to be a promising alternative, presenting its feasibility for long-range and high-speed underwater links.
ISSN:1943-0655

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