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Compound cavity measurement of transmission and reflection of a tapered single-line photonic-crystal waveguide

Anne Talneau 1 Mikael Mulot 2 Srinivasan Anand 2 Philippe Lalanne 3
1 LPN - Laboratoire de photonique et de nanostructures
2 KTH - Royal Institute of Technology [Stockholm]
3 Laboratoire Charles Fabry de l'Institut d'Optique / Naphel
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : Measurements on a single-line defect photonic crystal waveguide demonstrate propagation losses as low as 140 cm-1 and coupling efficiency to a ridge access guide increased from 20% to 50% thanks to a tapered access. These results are obtained by analyzing the internal cavities created by residual reflections, hence, requiring a single sample. They are nevertheless crosschecked by measurements on distinct samples by the Fabry-Pérot resonance method.
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https://hal-iogs.archives-ouvertes.fr/hal-00874524
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Anne Talneau, Mikael Mulot, Srinivasan Anand, Philippe Lalanne. Compound cavity measurement of transmission and reflection of a tapered single-line photonic-crystal waveguide. Applied Physics Letters, American Institute of Physics, 2003, 83 (16), pp.2577-2579. ⟨10.1063/1.1568821⟩. ⟨hal-00874524⟩

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