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.

引用

页数：8

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