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99% efficiency measured in the -1st order of a resonant grating

Nathalie Destouches 1 A.V. Tishchenko 1 J.C. Pommier 1 S. Reynaud 1 O. Parriaux 1 S. Tonchev 1 M. Abdou Ahmed 1
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
Abstract : A resonant diffraction grating comprising a mirror, a dielectric layer and a high index corrugation at the layer-air interface is shown to exhibit off-Littrow the record diffraction efficiency of 99% in the -1 st reflected order at 1064 nm wavelength thanks to the excitation of a leaky mode of the layer. Such high figure is obtained by a grating 5 to 10 times shallower than in current attempts to realize high efficiency all-dielectric gratings.
Keywords : Gratings Guided waves Single-mode lasers Microstructure fabrication Thin films optical properties Leaky mode
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https://hal-ujm.archives-ouvertes.fr/ujm-00122907
Contributor : Nathalie Destouches <>
Submitted on : Friday, January 5, 2007 - 3:38:25 PM
Last modification on : Tuesday, October 6, 2020 - 4:30:48 PM

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  • HAL Id : ujm-00122907, version 1

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UNIV-ST-ETIENNE | LAHC | CNRS | IOGS | PARISTECH | UDL

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Nathalie Destouches, A.V. Tishchenko, J.C. Pommier, S. Reynaud, O. Parriaux, et al.. 99% efficiency measured in the -1st order of a resonant grating. Optics Express, Optical Society of America - OSA Publishing, 2005, 13, pp.3230-3235. ⟨ujm-00122907⟩

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