کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5789284 1414308 2015 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Multiuser-to-multiuser entanglement distribution based on 1550 nm polarization-entangled photons
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Multiuser-to-multiuser entanglement distribution based on 1550 nm polarization-entangled photons
چکیده انگلیسی
Telecom-band polarization-entangled photon-pair source has been widely used in quantum communication due to its acceptable transmission loss. It is also used in cooperation with wavelength-division multiplexing (WDM) to construct entanglement distributor. However, previous schemes generally are not suitable for multinode scenario. In this paper, we construct a telecom-band polarization-entangled photon-pair source, and it shows ultrahigh fidelity and concurrence which are both greater than 90% (raw data). Moreover, we set up a four-by-four entanglement distributor based on WDM. We check the 16 Clauser-Horne-Shimony-Holt inequalities, which show nonlocality. Lastly, as an example of practical application of this source, we estimate the quantum bit error rates and quantum secret key rates when it is used in quantum key distribution. Furthermore, the transmission of entanglement in long optical fibers is also demonstrated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Science Bulletin - Volume 60, Issue 12, June 2015, Pages 1128-1132
نویسندگان
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