研究目的
Investigating the effect of absorption and scattering loss in underwater optical wireless communication systems using spatial mode laser sources with optimization of spatial matching components.
研究成果
The underwater optical wireless communication system with spatial modes (LP01, LP11, LP21, LP31) and data capacity of 200 Gbps has been designed and numerically investigated. The system shows stable performance even at high attenuation of 49.34 dB/m. The optimization of spatial matching components improves the system performance, as evidenced by the Q-factor and BER analysis.
研究不足
The study is limited to numerical investigation and does not include experimental validation. The system performance is analyzed under specific conditions of wavelength, distance, and attenuation.
1：Experimental Design and Method Selection:
The study numerically investigates the effect of absorption and scattering loss in underwater optical wireless communication systems using spatial mode laser sources (LP01, LP11, LP21, LP31). The system performance is examined in terms of bit error rate (BER) with respect to wavelength, distance, attenuation, and beam divergence.
2：1). The system performance is examined in terms of bit error rate (BER) with respect to wavelength, distance, attenuation, and beam divergence. Sample Selection and Data Sources:
2. Sample Selection and Data Sources: The study uses spatial modes (LP01, LP11, LP21, LP31) and varies the wavelength from 1000 nm to 1600 nm.
3：List of Experimental Equipment and Materials:
Spatial light sources (SLS), spatial aperture, collimating lens, spatial PIN diode, low pass filter.
4：Experimental Procedures and Operational Workflow:
The system is designed with a data capacity of 200 Gbps, input power of 22 dBm, and optimized spatial matching components. The performance is analyzed through Q-factor and eye pattern.
5：Data Analysis Methods:
The receiver performance is studied by optimizing spatial matching components and analyzing Q-factor and BER.
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