Underwater Channel Characteristics and Wireless Optical Communications Using a Blue Mode- Locked Semiconductor Disk Laser | PERPUSTAKAAN UNIVERSITAS KATOLIK PARAHYANGAN

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Underwater Channel Characteristics and Wireless Optical Communications Using a Blue Mode- Locked Semiconductor Disk Laser

Liu, Liqi - Nama Orang; Wang, Tao - Nama Orang; Zhang, Peng - Nama Orang; Song, Yanrong - Nama Orang; Tian, Ruiyang - Nama Orang; Zhu, Renjiang - Nama Orang; Tong, Cunzhu - Nama Orang; Wang, Lijie - Nama Orang;

An advanced light source at blue-green waveband is the key to improve the link-distance and communication performance of an underwater wireless optical communication (UWOC) system. This work presents the underwater channel characteristics and UWOC system using a blue semiconductor disk laser that passively mode-locked by a semiconductor saturable absorb mirror for the first time. The attenuation coefficients of the continuous-wave and mode-locked lasers under different concentrations of Maalox solution are studied, and the results indicate that the attenuation coefficients of the mode-locked laser are obviously lower than that of the continuous-wave laser. Then an UWOC system based on an acousto-optic modulator are constructed, and the water tank communication experiments are carried out by using quasi-cyclic low-density-parity-check coding and 64-pulse-position-modulation. Experimental results show that the bit error rates of the mode-locked laser are significantly lower than that of continuous-wave laser under the same Maalox solution concentration and same signal-noise-ratio. These results provide an attractive light source for practical long-distance UWOC.

Ketersediaan

Barcode		Tipe Koleksi	Nomor Panggil	Lokasi	Status
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Informasi Detail

Judul Seri: JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol. 41, No. 16, August 15, 2023
No. Panggil: -
Penerbit: : .,
Deskripsi Fisik: p. 5340 - 5349
Bahasa: English
ISBN/ISSN: -
Klasifikasi: NONE
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: PULSE POSITION MODULATION
UNDERWATER WIRELESS OPTICAL COMMUNICATION
MODE-LOCKED
ACOUSTO-OPTIC MODULATOR
QUASI-CYCLIC LOW-DENSITY-PARITY-CHECK
SEMICONDUCTOR DISK LASER ,
Info Detail Spesifik: DOI: 10.1109/JLT.2023.3262683
Pernyataan Tanggungjawab: Liqi Liu, Tao Wang, Ruiyang Tian, Renjiang Zhu, Cunzhu Tong, Lijie Wang, Yanrong Song, Peng Zhang

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