Efficient quantum computation using coherent states

被引：356

作者：

Jeong, H ^{[1
]}

Kim, MS ^{[1
]}

机构：

[1] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland

来源：

PHYSICAL REVIEW A | 2002年 / 65卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.65.042305

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study universal quantum computation using optical coherent states. A teleportation scheme for a coherent-state qubit is developed and applied to gate operations. This scheme is shown to be robust to detection inefficiency.

引用

页数：6

共 21 条

[1]

ARFKEN GB, 1985, MATH METHOD PHYSICIS, P257

[2] TELEPORTING AN UNKNOWN QUANTUM STATE VIA DUAL CLASSICAL AND EINSTEIN-PODOLSKY-ROSEN CHANNELS [J].

BENNETT, CH ;

BRASSARD, G ;

CREPEAU, C ;

JOZSA, R ;

PERES, A ;

WOOTTERS, WK .

PHYSICAL REVIEW LETTERS, 1993, 70 (13) :1895-1899

[3]

BUZEK V, 1995, PROGR OPTICS, V34

[4] Macroscopically distinct quantum-superposition states as a bosonic code for amplitude damping [J].

Cochrane, PT ;

Milburn, GJ ;

Munro, WJ .

PHYSICAL REVIEW A, 1999, 59 (04) :2631-2634

[5] Quantum computation with mesoscopic superposition states [J].

de Oliveira, MC ;

Munro, WJ .

PHYSICAL REVIEW A, 2000, 61 (04) :9-423099

[6] Demonstrating the viability of universal quantum computation using teleportation and single-qubit operations [J].

Gottesman, D ;

Chuang, IL .

NATURE, 1999, 402 (6760) :390-393

[7] Quantum mechanics helps in searching for a needle in a haystack [J].

Grover, LK .

PHYSICAL REVIEW LETTERS, 1997, 79 (02) :325-328

[8] Light speed reduction to 17 metres per second in an ultracold atomic gas [J].

Hau, LV ;

Harris, SE ;

Dutton, Z ;

Behroozi, CH .

NATURE, 1999, 397 (6720) :594-598

[9]

HIROTA O, QUANTPH0101018

[10]

JEONG H, IN PRESS PHYS REV A

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