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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4362–4365

All-optical tunable filters based on optomechanical effects in two-dimensional photonic crystal cavities

Yaoxian Zheng, Quanqiang Yu, Keyu Tao, and Zhengbiao Ouyang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 21, pp. 4362-4365 (2013)

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All-optical tunable filters are basic elements for various micro-optical circuits. Obtaining all-optical tunability remains a challenge for micro-optical circuits. Optical forces with significant effects in nanophotonic systems provide new ways for wavelength tuning. In this Letter, the optomechanical effects in two-dimensional photonic crystal cavities are investigated. Simulations based on the finite element method demonstrate that forces arise in single and coupled cavities with movable rods inside. The optical force controls the positions of the movable rods and, thus, the resonance wavelength of the cavity, based on which tunable filter is designed. The operating wavelength of the cavity or the filter for the signal can be tuned by a control light with a different frequency. The results have potential applications for various integrated circuits.

© 2013 Optical Society of America

OCIS Codes
(130.5296) Integrated optics : Photonic crystal waveguides
(230.5298) Optical devices : Photonic crystals
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: August 2, 2013
Revised Manuscript: September 19, 2013
Manuscript Accepted: September 19, 2013
Published: October 23, 2013

Yaoxian Zheng, Quanqiang Yu, Keyu Tao, and Zhengbiao Ouyang, "All-optical tunable filters based on optomechanical effects in two-dimensional photonic crystal cavities," Opt. Lett. 38, 4362-4365 (2013)

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