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提出了一种基于全息光处理器的可调光编码 /解码器的实现方案。全息光处理器可以在空间进行编 /解码 ,每个通信网络单元可以采用任意速率的数字或模拟的调制信号 ,它非常适合于多媒体的通信网络环境。通过对全息光处理器的折射率大小和位置的控制 ,当一个输入光脉冲经过光处理器中具有特定折射率的空间位置后 ,便可在处理器的输出端口得到合适的输出信号。本文给出了这种基于全息光处理器的可调光编码 /解码器的仿真实验 ,结果是可行的。与以前文献中提出的结构相比 ,减小了硬件实现的复杂性 ,降低了成本和功耗 ,便于集成。
A holographic optical processor-based implementation of a tunable optical encoder / decoder is proposed. Holographic optical processors can be compiled / decoded in space. Each communication network unit can adopt digital or analog modulation signals at any rate, which is very suitable for a multimedia communication network environment. By controlling the size and position of the refractive index of the holographic optical processor, when an input optical pulse passes through a spatial position with a specific refractive index in the optical processor, a suitable output signal can be obtained at the output port of the processor. This paper presents a holographic optical processor based on the dimmable encoder / decoder simulation experiments, the results are feasible. Compared with the structure proposed in the previous literature, the complexity of the hardware implementation is reduced, the cost and the power consumption are reduced, and the integration is facilitated.