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Lee, Michael W.
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Topics
Publications (9/9 displayed)
- 2010Chalcogenide glass photonic crystalscitations
- 2010Photosensitive and thermal nonlinear effects in chalcogenide photonic crystal cavitiescitations
- 2009Photoinduced high-Q cavities in chalcogenide photonic crystals
- 2009High-Q photonic crystal chalcogenide cavities by photosensitive post processing
- 2009Photowritten high-Q cavities in two-dimensional chalcogenide glass photonic crystalscitations
- 2008Chalcogenide glass photonic crystalscitations
- 2008Characterizing photonic crystal waveguides with an expanded k-space evanescent coupling techniquecitations
- 2008Photo-induced cavities in chalcogenide photonic crystals
- 2007Photosensitive post tuning of chalcogenide photonic crystal waveguidescitations
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article
Photosensitive post tuning of chalcogenide photonic crystal waveguides
Abstract
<p>We present experimental results on post-tuning the dispersion of a two-dimensional photonic crystal waveguide made from Ge<sub>33</sub>As <sub>12</sub>Se<sub>55</sub> chalcogenide glass by exploiting the material photosensitivity to near-bandgap light. The change in the refractive index and volume of the material in response to exposure to 633nm light resulted in a shift of more than 5nm in the resonant coupling wavelength between a tapered optical fiber and the modes of a W1 waveguide. This represents a first proof of principle demonstration of the photosensitive post-tuning of a planar photonic crystal device.</p>