Deutsch-Jozsa algorithm using triggered single photons from a single quantum dot

Deutsch-Jozsa algorithm using triggered single photons from a single quantum dot
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DOI:
10.1103/physrevlett.96.180501
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发表时间:
2006-05
期刊:
2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference
影响因子:
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通讯作者:
Matthias Scholz;T. Aichele;Sven Ramelow;Oliver Benson
Matthias Scholz;T. Aichele;Sven Ramelow;Oliver Benson
中科院分区:
其他
文献类型:
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作者:
Matthias Scholz;T. Aichele;Sven Ramelow;Oliver Benson

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提出了一种在单个InP(GaInP)量子点中产生单光子的双量子比特Deutsch-Jozsa算法。这两个量子比特使用双轨表示和单光子的偏振态来实现。我们可以获得高达79%的保真度。由于我们的计算的成功概率在干涉系统中受到相位噪声的限制,所以我们在适当的空间模式叠加中使用了抗噪声编码。
We present a two-qubit Deutsch-Jozsa algorithm with single photons generated in a single InP(GaInP) quantum dot. The two qubits are implemented using a dual-rail representation and the polarization state of a single photon. We could obtain a fidelity of up to 79%. Since the success probability of our computation is limited by phase-noise in an interferometric setup, we use noise-resistant encoding in appropriate superpositions of spatial modes.