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Proceedings Paper

Bloch mode coupling investigation in silicon-on-insulator W1 photonic crystal waveguide
Author(s): Benoit Cluzel; Davy Gerard; Emmanuel Picard; Thomas Charvolin; Vincent Calvo; Emmanuel Hadji; Frederique de Fornel
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Paper Abstract

We report in this paper the study of a W1 photonic crystal waveguide which supports two Bloch modes having different parity. A monomode ridge waveguide etched in a Silicon-On-Insulator substrate and connecting to the photonic crystal waveguide allows us to excite the even Bloch mode. Transmission measurements, performed on a broad spectral range, evidence the even mode propagation along the defect line and experimental spectrum is discussed in light of band diagram and FDTD calculations. Then spectrally resolved near-field patterns obtained by using a scanning near field optical microscope in collection mode for wavelengths inside and outside the multimode region of the photonic crystal waveguide clearly demonstrate the even mode parity change along the defect line.

Paper Details

Date Published: 15 September 2004
PDF: 9 pages
Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); doi: 10.1117/12.545735
Show Author Affiliations
Benoit Cluzel, CEA Grenoble (France)
Davy Gerard, Lab. de Physique, CNRS and Univ. de Bourgogne (France)
Emmanuel Picard, CEA Grenoble (France)
Thomas Charvolin, CEA Grenoble (France)
Vincent Calvo, CEA Grenoble (France)
Emmanuel Hadji, CEA Grenoble (France)
Frederique de Fornel, Lab. de Physique, CNRS and Univ. de Bourgogne (France)

Published in SPIE Proceedings Vol. 5450:
Photonic Crystal Materials and Nanostructures
Richard M. De La Rue; Pierre Viktorovitch; Clivia M. Sotomayor Torres; Michele Midrio, Editor(s)

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