0000000000122038

AUTHOR

A. Guenot

showing 6 related works from this author

Spectral compression of optical parabolic similariton

2007

International audience

[PHYS.PHYS.PHYS-OPTICS] Physics [physics]/Physics [physics]/Optics [physics.optics][PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics][ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics]ComputingMilieux_MISCELLANEOUS
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Spectral compression of optical parabolic similaritons

2007

We numerically investigate the spectral recompression experienced by a self-similar parabolic pulse with an anormal initial chirp. Spectral compression factors above 10 and high-quality output pulses can be predicted.

PhysicsOpticsbusiness.industrySpectral compressionChirpGeneral Physics and AstronomybusinessPulse (physics)Annales de Physique
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Etude numérique de contacts entre solides élastoplastiques

1981

International audience

ComputingMilieux_MISCELLANEOUS
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Numerical analysis of contacts in geomechanics

1982

International audience

ComputingMilieux_MISCELLANEOUS
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Gain, detuning, and radiation patterns of nanoparticle optical antennas

2008

International audience; For their capability to localize and redirect electromagnetic field, metal nanoparticles have been recently viewed as efficient nanoantenna operating in the optical regime. In this article, we experimentally investigated the optical responses of coupled gold antenna pairs and measured the critical parameters defining antenna characteristics: resonant frequencies and bandwidths, detuning and gains, and radiation patterns.

FAR-FIELDElectromagnetic fieldPLASMONIC NANOPARTICLEPhysics::OpticsNanoparticle02 engineering and technologySILVER NANOPARTICLESRadiation01 natural sciencesNANOANTENNASOptics[ PHYS.COND.CM-MSQHE ] Physics [physics]/Condensed Matter [cond-mat]/Mesoscopic Systems and Quantum Hall Effect [cond-mat.mes-hall]0103 physical sciencesSCATTERING[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics010306 general physicsMetal nanoparticles[PHYS.COND.CM-MSQHE]Physics [physics]/Condensed Matter [cond-mat]/Mesoscopic Systems and Quantum Hall Effect [cond-mat.mes-hall]Physics[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics][ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics]business.industryRESONANCE021001 nanoscience & nanotechnologyCondensed Matter PhysicsDIMERSElectronic Optical and Magnetic MaterialsSINGLE[SPI.OPTI]Engineering Sciences [physics]/Optics / PhotonicQuasiparticleOptoelectronics[ SPI.NANO ] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics[ SPI.OPTI ] Engineering Sciences [physics]/Optics / PhotonicAntenna (radio)EMISSION0210 nano-technologybusinessNEAR-FIELDPhysical Review B
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Diverses manifestations de l'effet Raman lors de la propagation d'impulsions femtosecondes dans une fibre microstructurée

2008

National audience; Dans le cadre de la génération de supercontinuum, nous mettons en évidence les dynamiques spectrales majeures de solitons liées à l'effet Raman dans une fibre microstructurée, à l'aide d'un montage expérimental simple. L'étude menée ici concerne l'évolution d'impulsions femtosecondes en régime de dispersion anormale d'une fibre microstructurée présentant deux longueurs d'onde de dispersion nulle. A l'aide de simulations numériques, nous confirmons nos différentes observations expérimentales ayant relevé les manifestations suivantes liées à l'effet Raman : l'auto-décalage en fréquence des solitons, la compensation de cet auto-décalage, mais également la formation et l'auto…

[PHYS.PHYS.PHYS-OPTICS] Physics [physics]/Physics [physics]/Optics [physics.optics][PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics][ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics]
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