Nonclassical interference between independent intrinsically pure single photons at telecommunication wavelength

Rui-Bo Jin, Kentaro Wakui, Ryosuke Shimizu, Hugo Benichi, Shigehito Miki, Taro Yamashita, Hirotaka Terai, Zhen Wang, Mikio Fujiwara, and Masahide Sasaki

Phys. Rev. A 87, 063801 – Published 3 June 2013; Erratum Phys. Rev. A 89, 049905 (2014)

Abstract

We demonstrate a Hong-Ou-Mandel interference between two independent, intrinsically pure, heralded single photons from spontaneous parametric down-conversion (SPDC) at telecommunication wavelength. A visibility of $85.5 \pm 8.3 %$ was achieved without using any bandpass filter. Thanks to the group-velocity-matched SPDC and superconducting nanowire single-photon detectors (SNSPDs), the fourfold coincidence counts are one order higher than that in the previous experiments. The combination of bright single-photon sources and SNSPDs is a crucial step for future practical quantum infocommunication systems at telecommunication wavelength.

Received 12 March 2013

DOI:https://doi.org/10.1103/PhysRevA.87.063801

Erratum

Erratum: Nonclassical interference between independent intrinsically pure single photons at telecommunication wavelength [Phys. Rev. A 87, 063801 (2013)]

Rui-Bo Jin, Kentaro Wakui, Ryosuke Shimizu, Hugo Benichi, Shigehito Miki, Taro Yamashita, Hirotaka Terai, Zhen Wang, Mikio Fujiwara, and Masahide Sasaki

Phys. Rev. A 89, 049905 (2014)

Authors & Affiliations

Rui-Bo Jin^1,*, Kentaro Wakui¹, Ryosuke Shimizu^2,†, Hugo Benichi¹, Shigehito Miki³, Taro Yamashita³, Hirotaka Terai³, Zhen Wang³, Mikio Fujiwara¹, and Masahide Sasaki¹

¹Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan
²Center for Frontier Science and Engineering, University of Electro-Communications, Tokyo 182-8585, Japan
³Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 588-2 Iwaoka, Kobe 651-2492, Japan

^*ruibo@nict.go.jp
^†r-simizu@pc.uec.ac.jp

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Vol. 87, Iss. 6 — June 2013

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