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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 1 — Jan. 1, 2011
  • pp: 79–85

Tuning silicon-on-insulator ring resonators with in-plane switching liquid crystals

Wout De Cort, Jeroen Beeckman, Richard James, F. Anibal Fernandez, Roel Baets, and Kristiaan Neyts  »View Author Affiliations


JOSA B, Vol. 28, Issue 1, pp. 79-85 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000079


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Abstract

We show that the resonance wavelength of silicon-on-insulator ring resonators can be tuned when a top cladding of liquid crystal is present. In-plane strip electrodes are used to generate an electric field that reorients the liquid crystal director in the plane parallel to the chip surface. This causes the resonance wavelength to shift toward longer wavelengths. The magnitude of this shift is about 1 nm , which is twice as large as previously reported shifts. The experimental results are verified extensively with our simulation tools, where a calculation of the director orientation is combined with a fully anisotropic mode solver. From this, we get a clear view of the mechanism behind the tuning.

© 2011 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: September 2, 2010
Manuscript Accepted: October 27, 2010
Published: December 13, 2010

Citation
Wout De Cort, Jeroen Beeckman, Richard James, F. Anibal Fernandez, Roel Baets, and Kristiaan Neyts, "Tuning silicon-on-insulator ring resonators with in-plane switching liquid crystals," J. Opt. Soc. Am. B 28, 79-85 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-1-79

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