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Wavelength-sized GaAs optomechanical resonators with gigahertz frequency
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10.1063/1.3563711
/content/aip/journal/apl/98/11/10.1063/1.3563711
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/11/10.1063/1.3563711

Figures

Image of FIG. 1.
FIG. 1.

(a) SEM view of a GaAs disk ( diameter and 200 nm thickness) suspended on an AlGaAs pedestal. (b) Electric field intensity of the optical mode . (c) Deformation profile of the mechanical breathing mode. (d) Schematics of the near-field optomechanical spectroscopy experiment. The linear polarization is selected by a fiber polarization controller (FPC) and a half-wave plate. PD stands for photodetector.

Image of FIG. 2.
FIG. 2.

[(a)–(c)] Normalized optical transmission spectrum of optical resonance measured at low and high optical power in three disks. (d) The WGM wavelength as a function of the disk radius. (e) Relative optical resonance shift as a function of the total transmitted optical power. (f) The temperature change as a function of normalized resonance shift due to thermal-optic effect.

Image of FIG. 3.
FIG. 3.

[(a)–(c)] The rf-spectrum of the breathing mechanical mode from each disk taken in ambient conditions. (d) A calibrated Brownian motion spectrum of disk 1.

Tables

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Table I.

Experimental (superscript e) and simulated (superscript s) mechanical and optomechanical parameters of three miniature GaAs disks.

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/content/aip/journal/apl/98/11/10.1063/1.3563711
2011-03-15
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Wavelength-sized GaAs optomechanical resonators with gigahertz frequency
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/11/10.1063/1.3563711
10.1063/1.3563711
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