All Optical Quantum CNOT Gate in Semiconductor Quantum Dots

被引：5

作者：

Qureshi, Mohd. Shakil ^{[1
]}

Sen, Pratima ^{[2
]}

Andrews, J. T. ^{[1
]}

Sen, Pranay K. ^{[1
]}

机构：

[1] Shri GS Inst Technol & Sci, Dept Appl Phys, Indore 452003, Madhya Pradesh, India

[2] Devi Ahilya Vishwavidyalaya, Sch Phys, Indore 452017, Madhya Pradesh, India

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2009年 / 45卷 / 1-2期

关键词：

Density matrix; quantum dot (QD); two-photon absorption; DYNAMICS;

D O I：

10.1109/JQE.2008.2001301

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Using density matrix approach the possibility of quantum logic operation in a single semiconductor quantum dot (QD) has been explored. The two photon excitation of the QD creates population in the biexciton state which is subsequently depopulated by the second pulse resonant with the biexciton-exciton transition. The theoretical analysis suggest that CNOT gate can be formed by choosing the pulses of appropriate pulse area.

引用

页码：59 / 65

页数：7

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