Temporal shaping of entangled photons

被引：182
|
作者：
Pe'er, A [1 ]
Dayan, B [1 ]
Friesem, AA [1 ]
Silberberg, Y [1 ]
机构：
[1] Weizmann Inst Sci, Dept Phys & Complex Syst, IL-76100 Rehovot, Israel
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 07期
关键词：
D O I：
10.1103/PhysRevLett.94.073601
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We experimentally demonstrate shaping of the two-photon wave function of entangled-photon pairs, utilizing coherent pulse-shaping techniques. By performing spectral-phase manipulations we tailor the second-order correlation function of the photons exactly like a coherent ultrashort pulse. To observe the shaping we perform sum-frequency generation with an ultrahigh flux of entangled photons. At the appropriate conditions, sum-frequency generation performs as a coincidence detector with an ultrashort response time (similar to100 fs), enabling a direct observation of the two-photon wave function. This property also enables us to demonstrate background-free, high-visibility two-photon interference oscillations.
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页码：1 / 4
页数：4
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