Coherence measures for heralded single-photon sources

被引：54

作者：

Bocquillon, E. ^{[1
,2
,5
]}

Couteau, C. ^{[1
,5
]}

Razavi, M. ^{[3
,5
]}

Laflamme, R. ^{[1
,4
,5
]}

Weihs, G. ^{[1
,5
]}

机构：

[1] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[2] Ecole Normale Super, F-75230 Paris, France

[3] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

[4] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[5] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada

来源：

PHYSICAL REVIEW A | 2009年 / 79卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

light coherence; light sources; quantum optics; COMMUNICATION;

D O I：

10.1103/PhysRevA.79.035801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Single-photon sources (SPSs) are mainly characterized by the minimum value of their second-order coherence function, viz. their g((2)) function. A precise measurement of g((2)) may, however, require high time-resolution devices, in whose absence, only time-averaged measurements are accessible. These time-averaged measures, standing alone, do not carry sufficient information for proper characterization of SPSs. Here, we develop a theory, corroborated by an experiment, which allows us to scrutinize the coherence properties of heralded SPSs that rely on continuous-wave parametric down conversion. Our proposed measures and analysis enable proper standardization of such SPSs.

引用

页数：4

共 16 条

[1]

Bennett C.H., 1984, P IEEE INT C COMP SY, V175, DOI DOI 10.1016/J.TCS.2014.05.025

[2] Heralded single photon sources: a route towards quantum communication technology and photon standards [J].

Castelletto, S. A. ;

Scholten, R. E. .

EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS, 2008, 41 (03) :181-194

[3] High-quality asynchronous heralded single-photon source at telecom wavelength [J].

Fasel, S ;

Alibart, O ;

Tanzilli, S ;

Baldi, P ;

Beveratos, A ;

Gisin, N ;

Zbinden, H .

NEW JOURNAL OF PHYSICS, 2004, 6 :1-11

[4] Entanglement-free heisenberg-limited phase estimation [J].

Higgins, B. L. ;

Berry, D. W. ;

Bartlett, S. D. ;

Wiseman, H. M. ;

Pryde, G. J. .

NATURE, 2007, 450 (7168) :393-U5

[5] A scheme for efficient quantum computation with linear optics [J].

Knill, E ;

Laflamme, R ;

Milburn, GJ .

NATURE, 2001, 409 (6816) :46-52

[6]

Loudon R., 1983, The Quantum Theory of Light

[7] Heralded generation of ultrafast single photons in pure quantum states [J].

Mosley, Peter J. ;

Lundeen, Jeff S. ;

Smith, Brian J. ;

Wasylczyk, Piotr ;

U'Ren, Alfred B. ;

Silberhorn, Christine ;

Walmsley, Ian A. .

PHYSICAL REVIEW LETTERS, 2008, 100 (13)

[8]

Nielsen M. A., 2000, Quantum Computation and Quantum Information

[9] OBSERVATION OF SUB-POISSONIAN LIGHT IN PARAMETRIC DOWNCONVERSION [J].

RARITY, JG ;

TAPSTER, PR ;

JAKEMAN, E .

OPTICS COMMUNICATIONS, 1987, 62 (03) :201-206

[10]

RAZAVI M, J PHYS B IN PRESS, P12707

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