title: Entanglement generation using silicon photonic wire waveguide.
abstract: This paper reviews recent progress on telecom-band entangled photon-pair sources based on spontaneous four-wave mixing (SFWM) in a silicon photonic wire waveguide. Thanks to the large third order nonlinearity of nano-scale silicon waveguides, we can generate photon pairs efficiently. Moreover, the use of silicon waveguides enable us to avoid the noise photons caused by spontaneous Raman scattering, which has been a serious problem with entanglement sources based on SFWM in dispersion shifted fiber. We successfully demonstrated high-purity time-bin and polarization entanglement generation using 1-cm long silicon waveguides.
authors.affiliation: NTT Basic Research Laboratories, NTT Corporation, 243-0198 Japan.
authors.forename: Hiroki
authors.initials: H
authors.lastname: Takesue
authors.forename: Ken-Ichi
authors.initials: K
authors.lastname: Harada
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Fukuda
authors.forename: Tai
authors.initials: T
authors.lastname: Tsuchizawa
authors.forename: Toshifumi
authors.initials: T
authors.lastname: Watanabe
authors.forename: Koji
authors.initials: K
authors.lastname: Yamada
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Tokura
authors.forename: Sei-Ichi
authors.initials: S
authors.lastname: Itabashi