Single-Mode Parametric-Down-Conversion States with 50 Photons as a Source for Mesoscopic Quantum Optics

被引：157

作者：

Harder, Georg ^{[1
]}

Bartley, Tim J. ^{[1
,2
]}

Lita, Adriana E. ^{[2
]}

Nam, Sae Woo ^{[2
]}

Gerrits, Thomas ^{[2
]}

Silberhorn, Christine ^{[1
]}

机构：

[1] Univ Paderborn, Integrated Quantum Opt Grp, Appl Phys, D-33098 Paderborn, Germany

[2] NIST, 325 Broadway, Boulder, CO 80305 USA

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 14期

关键词：

NUMBER-RESOLVING DETECTORS; KTP WAVE-GUIDES; GENERATION; PULSES; BEAMS;

D O I：

10.1103/PhysRevLett.116.143601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We generate pulsed, two-mode squeezed states in a single spatiotemporal mode with mean photon numbers up to 20. We directly measure photon-number correlations between the two modes with transition edge sensors up to 80 photons per mode. This corresponds roughly to a state dimensionality of 6400. We achieve detection efficiencies of 64% in the technologically crucial telecom regime and demonstrate the high quality of our measurements by heralded nonclassical distributions up to 50 photons per pulse and calculated correlation functions up to 40th order.

引用

页数：5

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