Switchable photonic crystal cavity by liquid crystal infiltration

We report on the fabrication and optical characterization of a switchable photonic crystal nanocavity actuated by liquid crystals. This device acts as a filter presenting a transmission peak around the telecom wavelength λ = 1550 nm. Passing from the isotropic to the anisotropic (oriented crystals) state of the liquid crystals, a shift of Δλ = 13 nm has been measured, which confirms the theoretical predictions obtained by finite difference time domain simulations. We have developed a photonic crystal nanocavity that can be tuned thanks to the properties of liquid crystals infiltrated in the holes of the photonic device.


Published in:
Journal of the European Optical Society Rapid Publications, 5, 10057
Year:
2010
Publisher:
European Optical Society
ISSN:
1990-2573
Keywords:
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 Record created 2010-12-13, last modified 2018-03-17

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