Impact of dispersion, free carriers, and two-photon absorption on the generation of intense terahertz pulses in ZnTe crystals
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | VIDAL, S. | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | DEGERT, Jérôme | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | TONDUSSON, Marc | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | OBERLÉ, Jean | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | FREYSZ, Eric | |
| dc.date.created | 2011-04-01 | |
| dc.date.issued | 2011-05-09 | |
| dc.identifier.issn | 0003-6951 | |
| dc.description.abstractEn | We study the evolution of the energy and the spectrum of a terahertz wave generated by optical rectification of an ultrashort laser pulse in ZnTe crystals with different thicknesses. As the pump intensity increases, we observe a shift in the terahertz spectrum toward lower frequencies. Moreover, at high pump intensities, in disagreement with common sense, thin crystals have a better conversion efficiency than thicker ones. These phenomena are accounted for by the pump depletion induced by two-photon absorption, pulse broadening and the impact of the photoinduced free carriers on the complex refractive index of the crystal in the terahertz range. | |
| dc.language.iso | en | |
| dc.publisher | American Institute of Physics | |
| dc.subject.en | Térahertz | |
| dc.subject.en | ZnTe | |
| dc.subject.en | optical rectification | |
| dc.subject.en | free carriers | |
| dc.subject.en | two-photon absorption | |
| dc.title.en | Impact of dispersion, free carriers, and two-photon absorption on the generation of intense terahertz pulses in ZnTe crystals | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1063/1.3588411 | |
| dc.subject.hal | Physique [physics]/Physique [physics]/Optique [physics.optics] | |
| bordeaux.journal | Applied Physics Letters | |
| bordeaux.page | 1-3 | |
| bordeaux.volume | 98 | |
| bordeaux.issue | 191103 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00592471 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00592471v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Applied%20Physics%20Letters&rft.date=2011-05-09&rft.volume=98&rft.issue=191103&rft.spage=1-3&rft.epage=1-3&rft.eissn=0003-6951&rft.issn=0003-6951&rft.au=VIDAL,%20S.&DEGERT,%20J%C3%A9r%C3%B4me&TONDUSSON,%20Marc&OBERL%C3%89,%20Jean&FREYSZ,%20Eric&rft.genre=article |
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