一种光子损耗容限Zeno CSIGN门
A photon loss tolerant Zeno CSIGN gate
摘要：
我们对CSIGN门的光学实现进行建模，该CSIGN门在存在光子损失的情况下利用量子芝诺效应[1，2]。这种损失严重影响了闸门的原始运行。然而，我们表明，通过使用相同的光子损失代码，已提出的线性光量子计算（LOQC），性能大大提高，这样的门可以优于LOQC等价物。该技术可以应用于其他类型的非线性，使非线性光学门的实现更有吸引力。
英文摘要：
We model an optical implementation of a CSIGN gate that makes use of the Quantum Zeno effect [1,2] in the presence of photon loss. The raw operation of the gate is severely affected by this type of loss. However, we show that by using the same photon loss codes that have been proposed for linear optical quantum computation (LOQC), the performance is greatly enhanced and such gates can outperform LOQC equivalents. The technique can be applied to other types of nonlinearities, making the implementation of nonlinear optical gates much more attractive.
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