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Showing 1–17 of 17 results
Advanced filters: Author: Sunil Bhave Clear advanced filters

  • Since the development of mobile networks over 30 years ago, the amount of data, and therefore the required bandwidth for mobile networks has grown substantially. Future expansion relies on the GHz frequency range, this requires filters able to operate at GHz frequencies and fit into devices. Here Devitt et al demonstrate a magnetostatic bandpass filter, tunable over a wide range, from 4.5 GHz to 10.1 GHz.

    • Connor Devitt
    • Renyuan Wang
    • Sunil A. Bhave
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • Acoustically driven spin control of silicon monovacancies can be used to measure the resonant properties and dynamical strain distribution in lateral overtone bulk acoustic resonators.

    • Jonathan R. Dietz
    • Boyang Jiang
    • Evelyn L. Hu
    ResearchOpen Access
    Nature Electronics
    Volume: 6, P: 739-745

  • The researchers showcase a photonic-electronic FMCW LiDAR source composed of a micro-electronic based high-voltage arbitrary waveform generator, a photonic circuit-based tunable Vernier laser with piezoelectric actuators, and an erbium-doped waveguide amplifier.

    • Anton Lukashchuk
    • Halil Kerim Yildirim
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Coherent interconversion between microwave and optical frequencies is crucial for developing quantum networks. To this end, the authors integrate piezoelectric actuators on photonic integrated circuits, enabling bidirectional transduction mediated by high-overtone bulk acoustic resonances.

    • Terence Blésin
    • Wil Kao
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • An electrically driven, magnetic-free optical isolator is demonstrated. The device, based on aluminium nitride piezoelectric modulators and a silicon nitride microring resonator, may be useful for integrated lasers and other opto-electric systems.

    • Hao Tian
    • Junqiu Liu
    • Sunil A. Bhave
    Research
    Nature Photonics
    Volume: 15, P: 828-836

  • By monolithically integrating piezoelectric actuators on ultralow-loss photonic circuits, soliton microcombs—a spectrum of sharp lines over a range of optical frequencies—can be modulated at high speeds with megahertz bandwidths.

    • Junqiu Liu
    • Hao Tian
    • Tobias J. Kippenberg
    Research
    Nature
    Volume: 583, P: 385-390

  • Here, the authors demonstrate acousto-optic modulation of silicon nitride microring resonators using high-overtone bulk acoustic wave resonances, allowing modulation in the GHz range via acoustic waves. As an application, an optical isolator is demonstrated with 17 dB non-reciprocity.

    • Hao Tian
    • Junqiu Liu
    • Sunil A. Bhave
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • Unlike electron spins, nuclear spins in van der Waals materials remain a largely untapped quantum resource. Here we report the fast coherent control of nuclear spins and strong electron-mediated nuclear–nuclear spin coupling in hexagonal boron nitride.

    • Xingyu Gao
    • Sumukh Vaidya
    • Tongcang Li
    Research
    Nature Materials
    Volume: 21, P: 1024-1028

  • Quantum sensors based on NV centers in diamond find applications in high spatial resolution NMR spectroscopy, but their operation is typically limited to low fields. Sahin et al. demonstrate a high-field sensor based on nuclear spins in diamond, where NV centers play a supporting role in optical initialization.

    • Ozgur Sahin
    • Erica de Leon Sanchez
    • Ashok Ajoy
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • Stable and tunable integrated lasers are fundamental building blocks for applications from spectroscopy to imaging and communication. Here the authors present a narrow linewidth hybrid photonic integrated laser with low frequency noise and fast linear wavelength tuning. They then provide an efficient FMCW LIDAR demonstration.

    • Grigory Lihachev
    • Johann Riemensberger
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • The rich ethnolinguistic and sociocultural differences that exist in India offers a unique opportunity to study human diversity. With the whole genomes of 10,000 healthy and unrelated Indians from 83 populations, the GenomeIndia project captures the genetic diversity of one of the highly underrepresented populations in the global genomics landscape.

    • Chandrika Bhattacharyya
    • Krithika Subramanian
    • Bratati Kahali
    Comments & Opinion
    Nature Genetics
    Volume: 57, P: 767-773