一种实现光量子通信中量子纠缠净化的新方法

2008 6th International Symposium on Communication Systems, Networks and Digital Signal Processing Pub Date : 2008-07-25 DOI:10.1109/CSNDSP.2008.4610738

S. Salemian, S. Nejad

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引用次数: 0

摘要

纠缠净化是从低纠缠态中提取高纠缠态的关键。现有的一般净化协议是基于量子控制非(CNOT)或类似的量子逻辑运算，这在实验上很难实现。本文提出了一种基于平面光波电路(PLC)实现量子CNOT门的纠缠净化的可行方案。该量子门是用干涉式电光调制器实现的。采用平面光波电路实现，得到波导宽度为12微米，CNOT栅极长度为2.8 cm

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A novel approach to implementation of quantum entanglement purification in optical quantum communication

Entanglement purification is essential to distill highly entangled states from less entangled ones. Existing general purification protocols are based on the quantum controlled-NOT (CNOT) or similar quantum logic operations, which are very difficult to implement experimentally. Here we present a feasible scheme for the implementation of entanglement purification based on planar lightwave circuit (PLC) implementation of quantum CNOT gate. This quantum gate is realized by using interferometric electro-optic modulator. By using planar lightwave circuit in implementation, the width of waveguides and the length of CNOT gate were obtained 12 micron and 2.8 cm respectively

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来源期刊

2008 6th International Symposium on Communication Systems, Networks and Digital Signal Processing

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