基于激光光束轨道角动量的8位数据信号产生与检测的实验研究
Experimental study of 8-bits information transmission system based on orbital angular momentum of light beams
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摘要: 本文研究了利用激光光束的轨道角动量进行8位数据信息传输的技术.建立了一套利用光束轨道角动量进行8位数据信息传输的系统,在信息调制部分采用可选通控制的光源阵列和相位调制屏实现光束轨道角动量态的编码复用,在信息解调部分采用二元振幅光栅进行轨道角动量态检测,实现了无误码的数据信息传输.Abstract: An experimental setup is built to realize 8-bits information transmission based on orbital angular momentum (OAM) of light beams. In the modulation section, a controllable laser diode array and a stable phase modulator are used to superpose and encode the OAM states. A binary amplitude grating is used to detect the OAM states in the demodulation part. This system transmits 8-bits data successfully.
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