Light Emission from Inelastic Electron Tunneling

Lambe, John; McCarthy, S. L.

doi:10.1103/physrevlett.37.923

Cited by 468 publications

(295 citation statements)

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“…11,12,14 Light emission observed from biased tunnel junctions is well documented in the literature since the pioneering work of Lambe and McCarthy. 15 Photon emission is generally understood as the radiative decay of surface plasmon modes. These modes can be either excited within the junction by inelastic tunneling current fluctuations, 16,17 or directly in the metal electrodes by hot carriers relaxation.…”

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confidence: 99%

Spontaneous Hot-Electron Light Emission from Electron-Fed Optical Antennas

et al. 2015

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Nanoscale electronics and photonics are among the most promising research areas providing functional nano-components for data transfer and signal processing. By adopting metalbased optical antennas as a disruptive technological vehicle, we demonstrate that these two device-generating technologies can be interfaced to create an electronically-driven self-emitting unit. This nanoscale plasmonic transmitter operates by injecting electrons in a contacted tunneling antenna feedgap. Under certain operating conditions, we show that the antenna enters a

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confidence: 99%

Spontaneous Hot-Electron Light Emission from Electron-Fed Optical Antennas

et al. 2015

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“…Light emission in metal-oxide-metal planar tunnel junctions was observed and was attributed to plasmon mediated tunneling [13][14][15][16] . A renewed interest in this phenomenon occurred in the early nineties, when light emission was reported in STM experiments [17][18][19] .…”

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confidence: 99%

Fano Resonance in an Electrically Driven Plasmonic Device

et al. 2016

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We present an electrically driven plasmonic device consisting of a gold nanoparticle trapped in a gap between two electrodes. The tunneling current in the device generates plasmons, which decay radiatively. The emitted spectrum extends up to an energy that depends on the applied voltage. Characterization of the electrical conductance at low temperatures allows us to extract the voltage drop on each tunnel barrier and the corresponding emitted spectrum. In several devices we find a pronounced sharp asymmetrical dip in the spectrum, which we identify as a Fano resonance. Finite-difference time-domain (FDTD) calculations reveal that this resonance is due to interference between the nanoparticle and electrodes dipolar fields, and can be conveniently controlled by the structural parameters. Electrically driven plasmonic devices may offer unique opportunities as a research tool and for practical applications [1][2][3][4][5] . In such devices, current that flows across a metallic tunnel junction

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“…Since 1976 and Lambe and McCathy's work [1] it is known that photon emission can be detected from a polarized tunnel junction. This emission was attributed to the excitation of surface plasmon modes by tunneling electrons, radiating in photons due to surface roughness [1,2].…”

Section: Introductionmentioning

confidence: 99%

“…This emission was attributed to the excitation of surface plasmon modes by tunneling electrons, radiating in photons due to surface roughness [1,2].…”

Section: Introductionmentioning

confidence: 99%