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Highly efficient photon-pair source using periodically poled lithium niobate waveguide

被引：312
作者：
Tanzilli, S
De Riedmatten, H
Tittel, W
Zbinden, H
Baldi, P
De Micheli, M
Ostrowsky, DB
Gisin, N
机构：
[1] Univ Nice Sophia Antipolis, Phys Mat Condensee Lab, F-06108 Nice 2, France
[2] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland
来源：
ELECTRONICS LETTERS | 2001年 / 37卷 / 01期
关键词：
D O I：
10.1049/el:20010009
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new kind of correlated photon-pair source based on a waveguide integrated on a periodically poled Lithium niobate substrate is reported. Using a pump laser of a few muW at 657nm, photon-pairs are generated/degenerated at 1314nm. Detecting similar to 1500 coincidences per second, a conversion rate of 10(-6) pairs per pump photon can be inferred, which is four orders of magnitude higher than that obtained with previous bulk sources. These results are very promising for the realisation of sources for quantum communication and quantum metrology experiments requiring a high signal-to-noise ratio or working with more than one photon-pair at a time.
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页码：26 / 28
页数：3
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