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Polarization insensitive frequency conversion for an atom-photon entanglement distribution via a telecom network
Rikizo Ikuta, Toshiki Kobayashi, Tetsuo Kawakami +8
Quantum network with a current telecom photonic infrastructure is deficient in quantum storages that keep arbitrary quantum state in sufficient time duration for a long-distance qu…
Silicon photonic processor of two-qubit entangling quantum logic
R. Santagati, J. W. Silverstone, M. J. Strain +11
Entanglement is a fundamental property of quantum mechanics, and is a primary resource in quantum information systems. Its manipulation remains a central challenge in the developme…
Mach-Zehnder interferometer using frequency-domain beamsplitter
Toshiki Kobayashi, Daisuke Yamazaki, Kenichiro Matsuki +7
We demonstrated the first-order interference between coherent light at 1580 nm and 795 nm by using frequency-domain Mach-Zehnder interferometer (MZI). The MZI is implemented by two…
Stable, high-performance operation of a fiber-coupled superconducting nanowire avalanche photon detector
Shigehito Miki, Masahiro Yabuno, Taro Yamashita +1
We present a stable and high-performance fiber-coupled NbTiN superconducting nanowire avalanche photon detector (SNAP). We demonstrate afterpulse-free operation in serially connect…