Entanglement in cascaded-crystal parametric down-conversion

被引：15
|
作者：
Atature, M
Sergienko, AV
Saleh, BEA
Teich, MC
机构：
[1] Boston Univ, Dept Elect & Comp Engn, Quantum Imaging Lab, Boston, MA 02215 USA
[2] Boston Univ, Dept Phys, Boston, MA 02215 USA
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 18期
关键词：
D O I：
10.1103/PhysRevLett.86.4013
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use spontaneous parametric down-conversion in a cascade of crystals, driven by a single monochromatic cw pump laser. to study the interference of entangled photon pairs. By changing the distance between the crystals, the observed quantum interference pattern varies continuously from that associated with a longer single crystal to that associated with independent emissions from two distinct crystals. Postselection via spectral filtering suppresses this phenomenon. These findings are expected to advance the field of quantum-state engineering.
引用
收藏
页码：4013 / 4016
页数：4
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