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Article Dans Une Revue Optics Express Année : 2011

Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

Résumé

We present experimental and numerical results demonstrating the simultaneous frequency-selective excitation of several guided acoustic Brillouin modes in a photonic crystal fiber with a multi-scale structure design. These guided acoustic modes are identified by using a full vector finite-element model to result from elastic radial vibrations confined by the wavelength-scale air-silica microstructure. We further show the strong impact of structural irregularities of the fiber on the frequency and modal shape of these acoustic resonances.

Dates et versions

hal-00605280 , version 1 (01-07-2011)

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B. Stiller, M. Delqué, J.-C. Beugnot, M.W. Lee, G. Mélin, et al.. Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber. Optics Express, 2011, 19 (8), pp.7689-7694. ⟨10.1364/OE.19.007689⟩. ⟨hal-00605280⟩
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