期刊
APPLIED PHYSICS B-LASERS AND OPTICS
卷 122, 期 3, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00340-015-6297-4
关键词
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资金
- Alberta Innovates Technology Futures (AITF)
- National Engineering and Research Council of Canada (NSERC)
- DARPA Quiness program [SP0020412-PROJ0005188, W31P4Q-13-1-0004]
Conventional wisdom suggests that realistic quantum repeaters will require quasi-deterministic sources of entangled photon pairs. In contrast, we here study a quantum repeater architecture that uses simple parametric down-conversion sources, as well as frequency-multiplexed multimode quantum memories and photon-number-resolving detectors. We show that this approach can significantly extend quantum communication distances compared to direct transmission. This shows that important trade-offs are possible between the different components of quantum repeater architectures.
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