We report on GaAs disks optomechanical resonators having GHz mechanical modes, vacuum optomechanical coupling reaching 1MHz, permitting a motional sensitivity of 10-17m/Hz. Dynamical back-action self-oscillation is observed. Integration with waveguides suspended on the chip is presented.
© 2011 OSA
C. Baker, L. Ding, P. Senellart, A. Lemaitre, S. Ducci, G. Leo, and I. Favero, "GaAs Disks Optomechanics," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optical Society of America, 2011), paper FTuN1.
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