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Showing 1–6 of 6 results
Advanced filters: Author: Demid Sychev Clear advanced filters

  • N00N states are promising for quantum communications and metrology, but are vulnerable to losses. Here the authors develop a technique for preparing high-fidelity two-photon N00N states in a loss-free fashion, and demonstrate enhanced phase sensitivity without requiring recombination.

    • Alexander E. Ulanov
    • Ilya A. Fedorov
    • A. I. Lvovsky
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • The amplitude of a Schrödinger's cat (SC) state — superposed coherent state — is increased using a homodyne measurement. A pair of negative SC states with amplitude of 1.15 is probabilistically converted to a single positive SC state with amplitude of 1.85.

    • Demid V. Sychev
    • Alexander E. Ulanov
    • Alexander I. Lvovsky
    Research
    Nature Photonics
    Volume: 11, P: 379-382

  • Interfacing quantum information between discrete and continuous would allow exploiting the best of both worlds, but it has been shown only for single-rail encoding. Here, the authors extend this to the more practical dual-rail encoding, realizing teleportation between a polarization qubit and a CV qubit.

    • Demid V. Sychev
    • Alexander E. Ulanov
    • A. I. Lvovsky
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • Quantum super-resolution techniques take advantage of the non-classical nature of the quantum emitters, but are time-consuming. Here, the authors present a machine learning-assisted approach for fast antibunching-based super-resolution imaging, with a 12-fold speed up over the conventional approach

    • Zhaxylyk A. Kudyshev
    • Demid Sychev
    • Vladimir M. Shalaev
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8