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Showing 1–9 of 9 results
Advanced filters: Author: Myoung-Gyun Suh Clear advanced filters

  • Optical reference cavities are important in precision time keeping and low-noise microwave generation. Here as a step towards their miniaturization, the authors demonstrate a chip-based reference cavity that uses a spiral geometry to improve stability by introducing thermal and mechanical immunity.

    • Hansuek Lee
    • Myoung-Gyun Suh
    • Kerry J. Vahala
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-6

  • precisely controllable integrated optical gyroscope based on stimulated Brillouin scattering is used to study non-Hermitian physics, revealing a four-fold enhancement of the Sagnac scale factor near exceptional points.

    • Yu-Hung Lai
    • Yu-Kun Lu
    • Kerry Vahala
    Research
    Nature
    Volume: 576, P: 65-69

  • A Sagnac gyroscope based on Brillouin ring lasers on a silicon chip is presented. The stability and sensitivity of this on-chip planar gyroscope allow measurement of the Earth’s rotation, with an amplitude sensitivity as small as 5 deg h−1 for a sinusoidal rotation, an angle random walk of 0.068 deg h−1/2 and bias instability of 3.6 deg h−1.

    • Yu-Hung Lai
    • Myoung-Gyun Suh
    • Kerry Vahala
    Research
    Nature Photonics
    Volume: 14, P: 345-349

  • A soliton microcomb as an astronomical spectrograph calibrator is presented. It can ultimately have a footprint of a few cubic centimetres, and reduced weight and power consumption, attractive for precision radial velocity measurement.

    • Myoung-Gyun Suh
    • Xu Yi
    • Kerry Vahala
    Research
    Nature Photonics
    Volume: 13, P: 25-30

  • Chip-based architectures for mid-infrared gas sensing could enable many applications. In this direction, the authors demonstrate a microcomb-based dual-comb spectroscopy sensor with GHz resolution in the mid-IR band, with stability completely determined by a single high-Q microresonator.

    • Chengying Bao
    • Zhiquan Yuan
    • Kerry J. Vahala
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Operating a laser gyroscope near an exceptional point has been shown to enhance its responsivity. However, here the authors demonstrate in theory and experiment that the enhanced responsivity is exactly compensated by increased noise that is inherent to this system near the exceptional point.

    • Heming Wang
    • Yu-Hung Lai
    • Kerry Vahala
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

  • An optical-frequency synthesizer based on stabilized frequency combs has been developed utilizing chip-scale devices as key components, in a move towards using integrated photonics technology for ultrafast science and metrology.

    • Daryl T. Spencer
    • Tara Drake
    • Scott B. Papp
    Research
    Nature
    Volume: 557, P: 81-85

  • Quantum jitter fundamentally limits the performance of microresonator frequency combs. The timing jitter of the solitons that generate the comb spectra is analysed, reaching the quantum limit and establishing fundamental limits for soliton microcombs.

    • Chengying Bao
    • Myoung-Gyun Suh
    • Kerry J. Vahala
    Research
    Nature Physics
    Volume: 17, P: 462-466