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We study the cavity mode frequencies of a Fabry-P\'erot cavity containing two vibrating dielectric membranes. We derive the equations for the mode resonances and provide approximate analytical solutions for them as a function of the…

Quantum Physics · Physics 2016-06-30 J. Li , A. Xuereb , N. Malossi , D. Vitali

Light scattering by a two-dimensional photonic crystal slab (PCS) can result in dramatic interference effects associated with Fano resonances. Such devices offer appealing alternatives to distributed Bragg reflectors or filters for various…

We investigate the effects of electron and acoustic-phonon confinement on the low-field electron mobility of thin square silicon nanowires (SiNWs) that are surrounded by SiO$_2$ and gated. We employ a self-consistent…

Materials Science · Physics 2008-11-11 E. B. Ramayya , D. Vasileska , S. M. Goodnick , I. Knezevic

Laser control of solids was so far mainly discussed in the context of strong classical nonlinear light-matter coupling in a pump-probe framework. Here we propose a quantum-electrodynamical setting to address the coupling of a…

Superconductivity · Physics 2018-07-02 Michael A. Sentef , Michael Ruggenthaler , Angel Rubio

To date, micro- and nano-scale optomechanical systems have enabled many proof-of-principle quantum operations through access to high-frequency (GHz) phonon modes that are readily cooled to their thermal ground state. However, minuscule…

Acoustics recently became a versatile platform for discovering novel physical effects and concepts at a relatively simple technological level. On this way, single resonators and the structure of their resonant modes play a central role and…

The study of resonant dielectric nanostructures with high refractive index is a new research direction in nanoscale optics and metamaterial-inspired nanophotonics. Because of the unique optically-induced electric and magnetic Mie…

The amplitude of self-oscillating mechanical resonators in cavity optomechanical systems is typically limited by nonlinearities arising from the cavity's finite optical bandwidth. We propose and demonstrate a feedback technique for…

In recent years, nanomechanical oscillators in thin films of superfluid helium have attracted attention in the field of optomechanics due to their exceptionally low mechanical dissipation and optical scattering. Mechanical excitations in…

Mesoscale and Nanoscale Physics · Physics 2025-01-16 Alexander Rolf Korsch , Niccolò Fiaschi , Simon Gröblacher

We propose a method for generating Fano resonance in a standalone silicon nanobeam cavity which eliminates the inconvenience from the unexpected side-coupled bus waveguide and unlocks new opportunities to develop ultra-compact and…

Numerous natural and technological phenomena are governed by resonances. In nanophotonics, resonances often result from the interaction of several optical elements. Controlling these resonances is an excellent opportunity to provide light…

We describe the design, fabrication, and characterization of a one-dimensional silicon photonic crystal cavity in which a central slot is used to enhance the overlap between highly localized optical and mechanical modes. The optical mode…

Optics · Physics 2016-06-29 Katharina Schneider , Paul Seidler

We investigated CdTe nanocrystal tetrapods of different sizes by resonant inelastic light scattering at room temperature and under cryogenic conditions. We observe a strongly resonant behavior of the phonon scattering with the excitonic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Krahne , G. Chilla , C. Schueller , L. Carbone , S. Kudera , G. Mannarini , L. Manna , D. Heitmannb , R. Cingolani

Focusing microcavities for surface acoustic waves (SAWs) produce highly localized strain and piezoelectric fields that can dynamically control excitations in nanostructures. Focusing transducers (FIDTs) that generate SAW beams which match…

Applied Physics · Physics 2020-01-29 Madeleine E. Msall , Paulo V. Santos

Several experiments have recently reported on gate-tunable superconducting properties in metallic devices, holding promise for the realization of cryogenic switches, tunable resonators, and superconducting logic. In particular, the…

The confinement of high frequency phonons approaching 1 GHz is demonstrated in phonon-trapping acoustic cavities at cryogenic temperatures using a low-coupled network approach. The frequency range is extended by nearly an order of…

Mesoscale and Nanoscale Physics · Physics 2013-09-20 M. Goryachev , D. L. Creedon , S. Galliou , M. E. Tobar

We present a novel design of optical micro-cavity where the optical energy resides primarily in free space, therefore is readily accessible to foreign objects such as atoms, molecules, mechanical resonators, etc. We describe the physics of…

Optics · Physics 2011-05-13 Jingjing Li , David Fattal , Marco Fiorentino , Raymond G. Beausoleil

The polarization dependence of magnon-photon scattering in an optical microcavity is reported. Due to the short cavity length, the mode-matching conditions found in previously explored, large path-length whispering gallery resonators are…

Mesoscale and Nanoscale Physics · Physics 2021-10-04 J. A. Haigh , A. Nunnenkamp , A. J. Ramsay

We study the acoustic field enhancement through a circular hole in a hard plate of finite thickness in this work. We derive the boundary-integral equations corresponding to the acoustic scattering to investigate the Fabry-Perot type…

Analysis of PDEs · Mathematics 2023-10-03 Ying Liang , Jun Zou

We propose that systems exhibiting compositional patterning at the nanoscale, so far assumed to be due to some kind of ordered phase segregation, can be understood instead in terms of coherent, single phase ordering of minority motifs,…

Materials Science · Physics 2013-01-09 Santiago Gonzalez , J. M. Perez-Mato , Luis Elcoro , Alberto Garcia , Ray L. Withers , L. Bourgeois