Hyper CNOT and Hyper Bell-State Analysis Assisted by Quantum Dots in Double-Side Optical Microcavities

被引：0

作者：

He, Yong ^{[1
]}

Deng, Yun ^{[2
]}

Li, Hui-Ran ^{[3
]}

Luo, Ming-Xing ^{[3
]}

机构：

[1] Chongqing Univ Sci & Technol, Dept Math & Phys, Chongqing 401331, Peoples R China

[2] Sichuan Univ Sci & Engn, Sch Comp Sci, Zigong 643000, Peoples R China

[3] Southwest Jiaotong Univ, Informat Secur & Natl Comp Grid Lab, Chengdu 610031, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2016年 / 55卷 / 03期

基金：

中国国家自然科学基金;

关键词：

CNOT gate; Bell-state analyzer; Double-side optical microcavities; COMPUTATION; RESONANCE; PHOTON; SPINS; GATE;

D O I：

10.1007/s10773-015-2790-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

There are many important works about the construction of universal quantum logic gates which are key elements in quantum computation. However, most of them focus on quantum transformations on the same degree of freedom (DOF) of quantum systems. We propose a CNOT gate performed on the polarization DOF and spatial mode DOF of one photon system assisted by a quantum dot in double-side optical microcavities. This hyper CNOT gate is implemented by using spin selective photon reflection from the cavity, without auxiliary spatial modes or polarization modes. This interface can also be used to construct a hyper photonic Bell-state analyzer. The high fidelities of the hyper CNOT gates may be achieved with low side leakage and cavity loss.

引用

页码：1526 / 1535

页数：10