Photosensitive post tuning of chalcogenide photonic crystal waveguides

Michael W. Lee; Christian Grillet; Cameron L.C. Smith; David J. Moss; Benjamin J. Eggleton; Darren Freeman; Barry Luther-Davies; Steve Madden; Andrei Rode; Yinlan Ruan; Yong Hee Lee

doi:10.1364/OE.15.001277

Photosensitive post tuning of chalcogenide photonic crystal waveguides

Michael W. Lee^*, Christian Grillet, Cameron L.C. Smith, David J. Moss, Benjamin J. Eggleton, Darren Freeman, Barry Luther-Davies, Steve Madden, Andrei Rode, Yinlan Ruan, Yong Hee Lee

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

72 Citations (Scopus)

Abstract

We present experimental results on post-tuning the dispersion of a two-dimensional photonic crystal waveguide made from Ge₃₃As ₁₂Se₅₅ 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.

Original language	English
Pages (from-to)	1277-1285
Number of pages	9
Journal	Optics Express
Volume	15
Issue number	3
DOIs	https://doi.org/10.1364/OE.15.001277
Publication status	Published - 5 Feb 2007

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abstract = "We present experimental results on post-tuning the dispersion of a two-dimensional photonic crystal waveguide made from Ge33As 12Se55 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.",

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AU - Lee, Michael W.

AU - Grillet, Christian

AU - Smith, Cameron L.C.

AU - Moss, David J.

AU - Eggleton, Benjamin J.

AU - Freeman, Darren

AU - Luther-Davies, Barry

AU - Madden, Steve

AU - Rode, Andrei

AU - Ruan, Yinlan

AU - Lee, Yong Hee

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AB - We present experimental results on post-tuning the dispersion of a two-dimensional photonic crystal waveguide made from Ge33As 12Se55 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.

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Photosensitive post tuning of chalcogenide photonic crystal waveguides

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