Phase modulator and amplitude modulator are both indispensable optical modulator in quantum cryptographic communication.
相位调制器与振幅调制器是连续变量量子密钥分发中不可缺少的光调制器件。
Therefore, it is necessary to develop a kind of high-speed electro-optical modulator with low cost but good performance so as to meet the current need of route network and the future need of the FTTH.
因此无论是从目前干线网的需求，还是从长远的光纤到户的要求上来看，都需要探索、研究出性能优良，价格低廉的高速电光调制器。
But the high price of optical modulator has seriously hampered the promotion of optical communications and applications.
可是光调制器昂贵的价格严重制约了光通信的推广和应用。
The theoretical research shows that the effect of the driving signals of the sinusoidal wave and the sinusoidal wave with a bias and the square wave on the optical modulator is completely different.
理论分析表明，正弦信号、带直流偏置的正弦信号和方波对光调制器的驱动结果是完全不同的。
A new sensitive all-optical modulator project on surface plasmon polariton is numerical designed. The theoretically analyses possess the instructive meaning for designing new type all-optical devices.
设计了一种基于表面等离子体局域增强的高灵敏性全光调制方案，理论分析的结果对于设计新型全光器件具有一定的借鉴意义。
A new sensitive all-optical modulator project on surface plasmon polariton is numerical designed. The theoretically analyses possess the instructive meaning for designing new type all-optical devices.
设计了一种基于表面等离子体局域增强的高灵敏性全光调制方案，理论分析的结果对于设计新型全光器件具有一定的借鉴意义。
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