IMPLEMENTATION OF SWAP GATE AND FREDKIN GATE USING LINEAR OPTICAL ELEMENTS

被引：8
|
作者：
Zhu, Meng-Zheng [1 ]
Ye, Liu [2 ]
机构：
[1] Huaibei Normal Univ, Sch Phys & Elect Informat, Huaibei 235000, Peoples R China
[2] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2013年 / 11卷 / 03期
基金：
美国国家科学基金会;
关键词：
Quantum control gate; swap gate; Fredkin gate; QUANTUM TELEPORTATION; PHOTON TRIPLETS; STATE; ENTANGLEMENT; COMPUTATION; GENERATION; LOGIC; PAIRS;
D O I：
10.1142/S0219749913500317
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A scheme is proposed to directly implement the optical swap gate and quantum Fredkin gate based on the Mach-Zehnder interferometer (MZI). The distinct advantage of the present scheme is that ancilla single-photons are not needed. The optical swap gate is deterministic and does not need the photon number resolving detectors. The total success probability of the present Fredkin gate can reach 1/16 by using basic linear-optics elements.
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收藏
页数：8
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