On the origin of light emission by tunnel junctions

Kroó, N.; Szentirmay, Zs.; Félszerfalvi, J.

doi:10.1016/0375-9601(81)90101-8

Cited by 33 publications

(8 citation statements)

References 13 publications

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“…These properties, characterizing a 'new type of light' have been broadly studied by many research groups including us, since they offer a broad spectrum of applications in material sciences and nanotechnology [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Quantum metal optics

Kroó

Varró

Farkas

et al. 2007

Journal of Modern Optics

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Experimental and theoretical studies of the statistical properties of surface plasmon polaritons (SPOs) are described. Both classical and non-classical properties of surface plasmons are analysed. The temporal statistical behaviour at low excitation level, as measured by detecting the SPO emitted photon statistics as expressed by the correlation function and the temporal photon count distribution, show that the SPOs preserve the photon statistics of the laser. In the spatial distribution of the plasmon field as measured by an STM, squeezing, i.e. non-classical properties, were found. Independent simple model calculations confirmed the existence of both enhanced EM fields of surface plasmons and their squeezed character.

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Section: Introductionmentioning

confidence: 99%

Quantum metal optics

Kroó

Varró

Farkas

et al. 2007

Journal of Modern Optics

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“…Cette possibilité, signalée dans [18] et affirmée dans [19] fut prouvée de façon irréfutable par Kirtley et al [20] puis Kroô et al [21] à l'aide de diodes réalisées sur des réseaux holographiques, ayant donc une rugosité bien contrôlée de périodicité connue. L'étude expérimentale [20] initia une étude théorique appro-fondie [22] sur l'excitation de l'OPS externe, encore appelée « mode rapide » de la structure.…”

Section: Introductionunclassified

Contribution des plasmons de surface au rayonnement lumineux émis par des jonctions tunnel MIM réalisées sur réseaux holographiques

Moulessehoul

Septier

1984

Rev. Phys. Appl. (Paris)

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2014 L'analyse spectrale dans différentes directions angulaires de la lumière émise par des jonctions tunnel de type Al-Al2O3-Ag réalisées sur des réseaux holographiques et refroidies vers T = 100 K permet de déterminer les courbes de dispersion des différents ordres émis par les ondes de plasma de surface rendues radiatives par la modulation périodique de la surface. Les contributions respectives des plasmons excités sur la surface externe d'Ag et à l'interface Al2O3-Ag ont pu être déterminées par une mesure absolue de l'intensité émise. Abstract. 2014 A study of optical spectra and angular dependence of light emitted from Al-Al2O3-Ag tunnel diodes fabricated on diffraction gratings allowed a determination of the dispersion curves of the surface plasma waves (SPW) excited by electrons in the structure. Respective contribution of SPW propagating on the external surface, and at the Al2O3-Ag interface have been determined by absolute measurements of the radiated light intensity.

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“…If the anode metal is covered by a transparent dielectric film (e.g. in [6] by 5--50 nm MgF 2 with n -~ 1.38 refractive index) the dispersion curve of SPO is shifted towards higher k as obtained from (1) Figs. 8 and 9.…”

Section: Periodically Corrugated Substratesmentioning

confidence: 97%

“…Sinee these experiments were performed on diodes with statistically eorrugated surfaees, a surfaee with ~ = 3--5 nm mean correlation length has to be supposed [4]. Reeent experiments on periodieally modulated surfaees (a ~-~ 500 nm) proved that a large proportion of emitted light originates from the anode-vacuum interfaee SPO [5,6]. The detailed analysis of radiation emitted by MOM diodes gives three different types of radiation originating in three different sources [7]: i) the EM field of the tunnel eurrent fluctuations in the barrier region may couple directly to the photon field leading to p-polarized, hv ~ E c = eU photons;…”

Section: Introduetionmentioning

confidence: 99%

On the mechanism of photon emission from thin film tunnel structures

Kroó¹,

Szentirmay²,

Félszerfalvi³

1981

Acta Physica

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The light emission from AI--AI2Os--M planar tunnel diodes was investigated where M = Ag, Au or Cu. Experiments on smooth and periodieally corrugated (holographie grating) substrates showed that the emitted light originates from surface plasmons seattered by the surface roughness and, probably, from the bremsstrahlung of tunneling eleetrons. AII the three noble metals show qualitatively similar behaviour and their light emission can be described as the superposition of three independent sources. The quantum effieiency of radiation was found to be ~10 -s photon/eleetron, elose to the theoretieal limit.

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On the origin of light emission by tunnel junctions

Cited by 33 publications

References 13 publications

Quantum metal optics

Quantum metal optics

Contribution des plasmons de surface au rayonnement lumineux émis par des jonctions tunnel MIM réalisées sur réseaux holographiques

On the mechanism of photon emission from thin film tunnel structures

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