Photonic scheme of discrete quantum Fourier transform for quantum algorithms via quantum dots

被引：12

作者：

Heo, Jino ^{[1
]}

Won, Kitak ^{[2
,3
]}

Yang, Hyung-Jin ^{[2
,4
]}

Hong, Jong-Phil ^{[1
]}

Choi, Seong-Gon ^{[1
]}

机构：

[1] Chungbuk Natl Univ, Coll Elect & Comp Engn, Chungdae Ro 1, Cheongju, South Korea

[2] Korea Univ, Program Biomed Sci, Sejong 30019, South Korea

[3] Republ Korea Air Force Acad, Dept Nat Sci, Cheongju 28187, South Korea

[4] Korea Univ, Dept Phys, Sejong 339700, South Korea

来源：

SCIENTIFIC REPORTS | 2019年 / 9卷 / 1期

基金：

新加坡国家研究基金会;

关键词：

SINGLE-ELECTRON SPIN; IMPLEMENTATION; MANIPULATION; LOCKING; QUBITS; GATE;

D O I：

10.1038/s41598-019-48695-z

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We propose an optical scheme of discrete quantum Fourier transform (DQFT) via ancillary systems using quantum dots (QDs) confined in single-sided cavities (QD-cavity systems). In our DQFT scheme, the main component is a controlled-rotation k (CRk) gate, which utilizes the interactions between photons and CIDs, consisting of two QD-cavity systems. Since the proposed CRk gate can be experimentally implemented with high efficiency and reliable performance, the scalability of multi-qubit DQFT scheme can also be realized through the simple composition of the proposed CRk gates via the QD-cavity systems. Subsequently, in order to demonstrate the performance of the CRk gate, we analyze the interaction between a photon and a QD-cavity system, and then indicate the condition to be efficient CRk gate with feasibility under vacuum noise and sideband leakage.

引用

页数：12

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