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Showing 1–18 of 18 results
Advanced filters: Author: Erwan Lucas Clear advanced filters

  • Photonic-crystal ring resonators (PhCRs) offer direct control of nonlinear interactions. Here, authors explore the bandgap detuned excitation regime of PhCRs where they open bandgaps mode-detuned from the pump laser, and demonstrate OPOs and microcombs with low threshold power and high efficiency.

    • Yan Jin
    • Erwan Lucas
    • Scott B. Papp
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • This work reports an inverse design approach that can spectrally shape Kerr microcombs by imprinting a nanophotonic dispersion filter to a microresonator to engineer solitonic frequency-comb states in the resonator with an optimization algorithm.

    • Erwan Lucas
    • Su-Peng Yu
    • Scott B. Papp
    Research
    Nature Photonics
    Volume: 17, P: 943-950

  • 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

  • Nanophotonic microwave synthesizers in the X-band (10 GHz, for radar) and K-band (20 GHz, for 5G), based on integrated soliton microcombs driven by a low-noise fibre laser, link the fields of microwave photonics and integrated microcombs.

    • Junqiu Liu
    • Erwan Lucas
    • Tobias J. Kippenberg
    Research
    Nature Photonics
    Volume: 14, P: 486-491

  • In order to satisfy a wide range of modern microwave applications, improved methods are needed to produce low-noise microwave signals. Here the authors demonstrate ultra-low noise microwave synthesis via optical frequency division using a transfer oscillator method applied to a microresonator-based comb on the path to future self-referenced integrated sources.

    • Erwan Lucas
    • Pierre Brochard
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

    • Mari E. K. Niemi
    • Juha Karjalainen
    • Chloe Donohue
    ResearchOpen Access
    Nature
    Volume: 600, P: 472-477

  • A Kerr-nonlinear resonator with normal dispersion supports bright and dark pulse states. With photonic crystal ring resonators, this work demonstrates a continuum across these nonlinear states and explores the underlying mechanism.

    • Su-Peng Yu
    • Erwan Lucas
    • Scott B. Papp
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Here, the authors generate dissipative Kerr solitons with stable repetition rates and low optical power threshold. They achieve this by actively switching the bias current of injection-locked III-V semiconductor lasers and pulse-pumping crystalline and integrated microresonators with picosecond laser pulses.

    • Wenle Weng
    • Aleksandra Kaszubowska-Anandarajah
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • Molecules of solitons provide insight into fundamental interactions between them and the underlying nonlinear system. The reported heteronuclear molecules, comprised of dissipative solitons with distinct frequencies, temporal widths, and energies enter the multistability regime and yield in interlocked frequency combs.

    • Wenle Weng
    • Romain Bouchand
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Chip-based frequency combs promise many applications, but full integration requires the electrical pump source and the microresonator to be on the same chip. Here, the authors show such integration of a microcomb with < 100 GHz mode spacing without additional filtering cavities or on-chip heaters.

    • Arslan S. Raja
    • Andrey S. Voloshin
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • A massively parallel coherent light detection and ranging (lidar) scheme using a soliton microcomb—a light source that emits a wide spectrum of sharp lines with equally spaced frequencies—is described.

    • Johann Riemensberger
    • Anton Lukashchuk
    • Tobias J. Kippenberg
    Research
    Nature
    Volume: 581, P: 164-170

  • Up to three distinct frequency combs are simultaneously generated from an optical microresonator and a continuous-wave laser, enabling the deployment of dual- and triple-comb-based methods to applications unachievable by current technologies.

    • E. Lucas
    • G. Lihachev
    • T. J. Kippenberg
    Research
    Nature Photonics
    Volume: 12, P: 699-705