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Volume 9 Issue 3, March 2015

Scanning electron microscope image of a portion of a centimetre-long spiral silicon nanowire. Inside the nanowire, infrared light strongly couples to microwave sound. The waveguide confines light by total internal reflection and confines sound by impedance mismatch.

Article p199; News & Views p144

IMAGE: LIESBET VAN LANDSCHOOT, RAPHAËL VAN LAER AND AMIN ABBASI, GHENT UNIVERSITY-IMEC

COVER DESIGN: SAMANTHA WHITHAM

Research Highlights

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News & Views

  • Quantum physics and gravitational physics remain separate due to the vastly different scales of time and space that they refer to. Now, research may point to links between them.

    • Bernhard W. Adams
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  • Large light–sound interaction in nanoscale silicon wires is experimentally demonstrated, making integrated nonlinear optical devices a reality.

    • Luc Thévenaz
    News & Views
  • A fibre probe that relies on frequency mixing in a nonlinear crystal provides an all-optical scheme for mapping the amplitude and phase of terahertz fields.

    • Saverio Bartalini
    • Paolo De Natale
    News & Views
  • The introduction of periodic inversion in the geometry of a plasmonic metasurface markedly boosts the efficiency of nonlinear processes in ultracompact structures.

    • Thomas Lepetit
    • Boubacar Kanté
    News & Views
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Review Article

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Letter

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