Time-bin entangled photon pair generation from Si micro-ring resonator

Ryota Wakabayashi, Mikio Fujiwara, Ken Ichiro Yoshino, Yoshihiro Nambu, Masahide Sasaki, Takao Aoki

    Research output: Contribution to journalArticle

    53 Citations (Scopus)

    Abstract

    We demonstrate time-bin entanglement generation in telecom wavelength using a 7 μm radius Si micro-ring resonator pumped by a continuous wave laser. The resonator structure can enhance spontaneous four wave mixing, leading to a photon pair generation rate of about 90-100 Hz with a laser pump power of as low as-3.92 dBm (0.41 mW). We succeed in observing time-bin entanglement with the visibility over 92%. Moreover, wavelength-tunability of the entangled photon pair is demonstrated by changing the operation temperature.

    Original languageEnglish
    Pages (from-to)1103-1113
    Number of pages11
    JournalOptics Express
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - 2015 Jan 26

    Fingerprint

    resonators
    rings
    continuous wave lasers
    photons
    visibility
    wavelengths
    four-wave mixing
    pumps
    radii
    lasers
    temperature

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Wakabayashi, R., Fujiwara, M., Yoshino, K. I., Nambu, Y., Sasaki, M., & Aoki, T. (2015). Time-bin entangled photon pair generation from Si micro-ring resonator. Optics Express, 23(2), 1103-1113. https://doi.org/10.1364/OE.23.001103

    Time-bin entangled photon pair generation from Si micro-ring resonator. / Wakabayashi, Ryota; Fujiwara, Mikio; Yoshino, Ken Ichiro; Nambu, Yoshihiro; Sasaki, Masahide; Aoki, Takao.

    In: Optics Express, Vol. 23, No. 2, 26.01.2015, p. 1103-1113.

    Research output: Contribution to journalArticle

    Wakabayashi, R, Fujiwara, M, Yoshino, KI, Nambu, Y, Sasaki, M & Aoki, T 2015, 'Time-bin entangled photon pair generation from Si micro-ring resonator', Optics Express, vol. 23, no. 2, pp. 1103-1113. https://doi.org/10.1364/OE.23.001103
    Wakabayashi R, Fujiwara M, Yoshino KI, Nambu Y, Sasaki M, Aoki T. Time-bin entangled photon pair generation from Si micro-ring resonator. Optics Express. 2015 Jan 26;23(2):1103-1113. https://doi.org/10.1364/OE.23.001103
    Wakabayashi, Ryota ; Fujiwara, Mikio ; Yoshino, Ken Ichiro ; Nambu, Yoshihiro ; Sasaki, Masahide ; Aoki, Takao. / Time-bin entangled photon pair generation from Si micro-ring resonator. In: Optics Express. 2015 ; Vol. 23, No. 2. pp. 1103-1113.
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