Generation of frequency tunable polarization entangled photon pairs

被引：8
|
作者：
Yabushita, A
Kobayashi, T
机构：
[1] Univ Tokyo, Grad Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Univ Tokyo, Grad Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[3] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650971, Japan
[4] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 300, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 99卷 / 06期
关键词：
D O I：
10.1063/1.2183355
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Photon pairs with correlated frequencies from an optical parametric system were generated by a continuous wave pump focused on a type-II nonlinear crystal with polarization entanglement. The polarization entanglement of the frequency resolved photons was measured under several typical configurations. By optimizing a condition, the degree of polarization entanglement was improved substantially. We proposed the application of the system, which can be used as a light source of wavelength division multiplexing quantum key distribution, optimizing the configuration of the photon-pair generation. (c) 2006 American Institute of Physics.
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页数：7
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