Quasi-one-dimensional photonic crystal as a compact building-block for refractometric optical sensors

We report the fabrication and the characterization of the refractometric and thermo-optical properties of a quasi-one-dimensional waveguide photonic crystal-a strong, 76-/spl mu/m-long Bragg grating. The transmission spectra (around 660 nm) of the structure have been measured as a function of both t...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2005-01, Vol.11 (1), p.11-16
Main Authors: Hopman, W.C.L., Pottier, P., Yudistira, D., van Lith, J., Lambeck, P.V., De La Rue, R.M., Driessen, A., Hoekstra, H.J.W.M., de Ridder, R.M.
Format: Article
Language:English
Subjects:
Bragg
Bragg gratings
Cladding
Construction
grating
Monitoring
Optical device fabrication
Optical refraction
Optical sensors
Optical waveguides
Optoelectronic and photonic sensors
photonic crystal
Photonic crystals
Refractive index
Refractivity
sensor
silicon nitride
Spectra
Temperature sensors
waveguide
Wavelength measurement
Wavelengths
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Summary:We report the fabrication and the characterization of the refractometric and thermo-optical properties of a quasi-one-dimensional waveguide photonic crystal-a strong, 76-/spl mu/m-long Bragg grating. The transmission spectra (around 660 nm) of the structure have been measured as a function of both the cladding refractive index and the temperature. The transmission stopband was found to shift by 0.8-nm wavelength for either a cladding refractive index change of 0.05 or a temperature change of 120 K. The steep stopband edges provide a sensitive detection method for this band shift, by monitoring the transmitted output power.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2004.841693