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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9690–9698

Simultaneous guidance of slow photons and slow acoustic phonons in silicon phoxonic crystal slabs

Vincent Laude, Jean-Charles Beugnot, Sarah Benchabane, Yan Pennec, Bahram Djafari-Rouhani, Nikos Papanikolaou, Jose M. Escalante, and Alejandro Martinez  »View Author Affiliations


Optics Express, Vol. 19, Issue 10, pp. 9690-9698 (2011)
http://dx.doi.org/10.1364/OE.19.009690


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Abstract

We demonstrate theoretically that photons and acoustic phonons can be simultaneously guided and slowed down in specially designed nanostructures. Phoxonic crystal waveguides presenting simultaneous phononic and photonic band gaps were designed in perforated silicon membranes that can be conveniently obtained using silicon-on-insulator technology. Geometrical parameters for simultaneous photonic and phononic band gaps were first chosen for optical wavelengths around 1550 nm, based on the finite element analysis of a perfect phoxonic crystal of circular holes. A plain core waveguide was then defined, and simultaneous slow light and elastic guided modes were identified for some waveguide width. Joint guidance of light and elastic waves is predicted with group velocities as low as c/25 and 180 m/s, respectively.

© 2011 OSA

OCIS Codes
(160.1050) Materials : Acousto-optical materials
(350.7420) Other areas of optics : Waves
(130.5296) Integrated optics : Photonic crystal waveguides
(160.5298) Materials : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: March 18, 2011
Manuscript Accepted: April 16, 2011
Published: May 3, 2011

Citation
Vincent Laude, Jean-Charles Beugnot, Sarah Benchabane, Yan Pennec, Bahram Djafari-Rouhani, Nikos Papanikolaou, Jose M. Escalante, and Alejandro Martinez, "Simultaneous guidance of slow photons and slow acoustic phonons in silicon phoxonic crystal slabs," Opt. Express 19, 9690-9698 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-10-9690


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