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Showing 1–7 of 7 results
Advanced filters: Author: Jaw-Shen Tsai Clear advanced filters

  • Heavily doping silicon with phosphorus produces a dense population of metallic conduction electrons and localized magnetic moments. Low-temperature measurements show evidence of strongly correlated state.

    • Hyunsik Im
    • Dong Uk Lee
    • Jaw-Shen Tsai
    ResearchOpen Access
    Nature Physics
    Volume: 19, P: 676-681

  • Single-photon detection is challenging in the microwave regime due to the small photon energy. Here, the authors demonstrate the deterministic detection of single microwave photons through an impedenance-matched artificial Λ system composed by a driven superconducting qubit and a microwave resonator.

    • Kunihiro Inomata
    • Zhirong Lin
    • Yasunobu Nakamura
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Quantum information processing normally uses either discrete- or continuous-variable encoding. Here, the authors bridge the two approaches, showing how to entangle Schrodinger’s cats states by conversion between Bell states in the Fock and cat bases and by a simple Fock-state-like gate operation.

    • Daisuke Hoshi
    • Toshiaki Nagase
    • Jaw-Shen Tsai
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • The authors observe an exceptional point and the corresponding phase transition in a superconducting non-Hermitian circuit. They find non-reciprocal microwave transmission can be achieved within the broken symmetry phase in the few-photon regime.

    • Pengtao Song
    • Xinhui Ruan
    • Zhihui Peng
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • D. Iyama et al. study the generation and quantum coherence of Schrödinger cat states in a superconducting Kerr parametric oscillator, a Kerr nonlinear resonator with a two-photon pump. They also manipulate the quantum interference of the cat states by implementing single cat-state gate operations.

    • Daisuke Iyama
    • Takahiko Kamiya
    • Jaw-Shen Tsai
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • A technique to study the noise in quantum systems has been devised by using spectral filters in reverse. So-called dynamical-decoupling pulse sequences, previously used to remove noise, now quantify how a superconducting qubit interacts with its noisy environment.

    • Jonas Bylander
    • Simon Gustavsson
    • William D. Oliver
    Research
    Nature Physics
    Volume: 7, P: 565-570