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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 6 — Mar. 14, 2011
  • pp: 5658–5669

Quasi-two-dimensional optomechanical crystals with a complete phononic bandgap

Thiago P. Mayer Alegre, Amir Safavi-Naeini, Martin Winger, and Oskar Painter  »View Author Affiliations

Optics Express, Vol. 19, Issue 6, pp. 5658-5669 (2011)

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A fully planar two-dimensional optomechanical crystal formed in a silicon microchip is used to create a structure devoid of phonons in the GHz frequency range. A nanoscale photonic crystal cavity is placed inside the phononic bandgap crystal in order to probe the properties of the localized acoustic modes. By studying the trends in mechanical damping, mode density, and optomechanical coupling strength of the acoustic resonances over an array of structures with varying geometric properties, clear evidence of a complete phononic bandgap is shown.

© 2011 Optical Society of America

OCIS Codes
(220.4880) Optical design and fabrication : Optomechanics
(230.1040) Optical devices : Acousto-optical devices
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

Original Manuscript: December 21, 2010
Revised Manuscript: February 21, 2011
Manuscript Accepted: February 22, 2011
Published: March 11, 2011

Thiago P. Mayer Alegre, Amir Safavi-Naeini, Martin Winger, and Oskar Painter, "Quasi-two-dimensional optomechanical crystals with a complete phononic bandgap," Opt. Express 19, 5658-5669 (2011)

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