Improved underwater wireless optical communication using a passively mode-locked VECSEL

doi:10.1016/j.optcom.2023.129850

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	Improved underwater wireless optical communication using a passively mode-locked VECSEL
	T. Wang, R. Tian, R. Zhu, L. Jiang, C. Tong, H. Lu, Y. Song and P. Zhang
	2023
发表期刊	Optics Communications
ISSN	00304018
卷号	547
摘要	This paper presents improved underwater wireless optical communication (UWOC) based on a 490 nm passively mode-locked vertical-external-cavity surface-emitting laser (VECSEL) with the repetition rate of 1.46 GHz and the pulse width of 2.25 ps. After conducting a comprehensive evaluation of the performance characteristics of quasi-cyclic low-density parity-check (QC-LDPC) coding and pulse-position modulation (PPM) in relation to bit-error-rate (BER) and communication capacity across different signal-to-noise ratios (SNRs), a passively mode-locked VECSEL based UWOC system is designed and experimentally performed. The UWOC system employs the QC-LDPC encoding technique and PPM modulation scheme that are most suitable for the system. Compared with the case without QC-LDPC, the minimum received optical power with coding is improved by 3.5 dBm, and the SNR with coding is improved by 0.4 dB under condition of 256-PPM and forward error correction (FEC) threshold of 3.8×10−3. Meanwhile, compared with the UWOC system using a continuous-wave (CW) VECSEL as the light source, the attenuation coefficient of the UWOC system based on the mode-locked VECSEL is decreased by 0.04 m-1, and the BER of the mode-locked VECSEL based UWOC system is decreased by 0.3 dB. © 2023 Elsevier B.V.
DOI	10.1016/j.optcom.2023.129850
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67961
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	T. Wang, R. Tian, R. Zhu, L. Jiang, C. Tong, H. Lu, Y. Song and P. Zhang. Improved underwater wireless optical communication using a passively mode-locked VECSEL[J]. Optics Communications,2023,547.
APA	T. Wang, R. Tian, R. Zhu, L. Jiang, C. Tong, H. Lu, Y. Song and P. Zhang.(2023).Improved underwater wireless optical communication using a passively mode-locked VECSEL.Optics Communications,547.
MLA	T. Wang, R. Tian, R. Zhu, L. Jiang, C. Tong, H. Lu, Y. Song and P. Zhang."Improved underwater wireless optical communication using a passively mode-locked VECSEL".Optics Communications 547(2023).

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