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Showing 1–4 of 4 results
Advanced filters: Author: Valeriy Novikov Clear advanced filters

  • A hybrid quantum network combining entangled light with an atomic spin ensemble engineered to act as a negative-mass oscillator enables frequency-dependent quantum noise reduction for measurements in the acoustic noise frequency range relevant for gravitational-wave detection.

    • Valeriy Novikov
    • Jun Jia
    • Eugene Simon Polzik
    ResearchOpen Access
    Nature
    Volume: 643, P: 955-960

  • Engineering quantum correlations between light modes at different frequency would open new avenues for quantum networks and sensing. Here, the authors propose and demonstrate a way for obtaining high-purity strongly entangled continuous variable states with more than 200 nm difference in wavelength.

    • Tulio Brito Brasil
    • Valeriy Novikov
    • Eugene S. Polzik
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-5

  • Realising a quantum-backaction-limited oscillator in the acoustic frequency range would have applications in sensing and metrology. Here, the authors reach this goal by demonstrating destructive interference between quantum back-action noise and shot noise down to sub-kHz range in a warm atomic vapor cell.

    • Jun Jia
    • Valeriy Novikov
    • Eugene S. Polzik
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10