1971
DOI: 10.1103/physrevlett.26.554
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Observation of Exciton Polariton Dispersion in CuCl

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1976
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Cited by 156 publications
(33 citation statements)
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“…For reviews we refer to Goldmann [l] and Honerlage et al [2]. Resonances on the upper polariton branch and the longitudinal branch of the lowest exciton (Z,-exciton) were first studied by two-photon absorption (TPA) by Frohlich et al [3] and by second harmonic generation (SHG) by Haueisen and Mahr [4]. Due to the small linewidth of the resonances (AE z 0.1 meV) it was possible to study the wave vector-dependent splitting of the upper branch in high magnetic fields [5].…”
Section: Introductionmentioning
confidence: 99%
“…For reviews we refer to Goldmann [l] and Honerlage et al [2]. Resonances on the upper polariton branch and the longitudinal branch of the lowest exciton (Z,-exciton) were first studied by two-photon absorption (TPA) by Frohlich et al [3] and by second harmonic generation (SHG) by Haueisen and Mahr [4]. Due to the small linewidth of the resonances (AE z 0.1 meV) it was possible to study the wave vector-dependent splitting of the upper branch in high magnetic fields [5].…”
Section: Introductionmentioning
confidence: 99%
“…Puisque la structure cristalline ne possède pas de centre d'inversion, les trois états de symétrie r$ peuvent être excités par absorption à deux photons [5,6]. Le dispositif utilisé est décrit en référence [6].…”
Section: Absorption à Plusieurs Photons Non Résonantsunclassified
“…Le dispositif utilisé est décrit en référence [6]. Les impulsions d'un laser NdrYag d'une durée de 20 ns excite à Ej = 1,1648 eV un échantillon dans un cryostat à 1,5 K. Son intensité est mesurée par une photodiode.…”
Section: Absorption à Plusieurs Photons Non Résonantsunclassified
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“…The CuX compounds are big direct gap semiconductors, which crystallise at ambient condition in the cubic NaCl structure, and posses 10 valence electrons instead of eight for common zinc-blend and wurtzite III-V and II-VI compounds. The copper halides are prototype materials for nonlinear optical experiments [1].They found renewed interest because of the possibility of producing microcrystals [2]. As promising candidates for photosensitive and semiconducting materials, copper halides attract much attention and several theoretical and experimental results have been reported [3].…”
Section: Introductionmentioning
confidence: 99%