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Robust-fidelity hyperparallel controlled-phase-flip gate through microcavities
Applied Physics Express ( IF 2.3 ) Pub Date : 2020-07-28 , DOI: 10.35848/1882-0786/aba64a
Hai-Rui Wei 1 , Yan-Bei Zheng 1 , Ming Hua 2 , Guo-Fu Xu 3
Affiliation  

Hyperparallel quantum information processing outperforms its traditional parallel one in terms of channel capacity, low loss rate, and processing speed. We present a way for implementing a robust hyper-parallel optical controlled-phase-flip gate through microcavities. The gate acts on polarization and spatial degrees of freedom (DOFs) simultaneously, and the incomplete and undesired interactions between photons and quantum dots are prevented. Interestingly, the unity fidelity of the gate can be achieved in principle, and the success of the gate is heralded by the single-photon detectors.

中文翻译:

通过微腔的鲁棒保真超平行受控相位翻转门

超并行量子信息处理在信道容量、低丢失率和处理速度方面优于传统并行处理。我们提出了一种通过微腔实现强大的超平行光控相位翻转门的方法。门同时作用于偏振和空间自由度 (DOF),防止了光子和量子点之间不完整和不需要的相互作用。有趣的是,原则上可以实现门的统一保真度,门的成功预示着单光子探测器。
更新日期:2020-07-28
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