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Showing 1–4 of 4 results
Advanced filters: Author: Guillermo Arregui Clear advanced filters

  • Silicon photonic nanocavities based on surface forces and conventional lithography and etching are developed, demonstrating pioneering technology that integrates atomic dimensions with the scalability of planar semiconductors.

    • Ali Nawaz Babar
    • Thor August Schimmell Weis
    • Søren Stobbe
    ResearchOpen Access
    Nature
    Volume: 624, P: 57-63

  • This work investigates the real-world value of topological protection in reciprocal photonics. Measurements of propagation losses in the slow-light regime of valley-Hall topological waveguides yield no indications of topological protection against backscattering on structural defects.

    • Christian Anker Rosiek
    • Guillermo Arregui
    • Søren Stobbe
    ResearchOpen Access
    Nature Photonics
    Volume: 17, P: 386-392

  • Locking of oscillators to ultra-stable external sources is of paramount importance for improving close-to-carrier phase noise in free running oscillators. Here, the authors demonstrate a giant phase-locking bandwidth exceeding 60% of the natural frequency of the oscillator, which greatly overcomes other approaches exploiting external locking.

    • Daniel Navarro-Urrios
    • Guillermo Arregui
    • Néstor E. Capuj
    ResearchOpen Access
    Communications Physics
    Volume: 5, P: 1-12