Engineering the emission of light from a scanning tunneling microscope using the plasmonic modes of a nanoparticle

Moal, Eric Le; Marguet, Sylvie; Canneson, Damien; Rogez, Benoît; Boer-Duchemin, Elizabeth; Dujardin, Gérald; Teperik, T. V.; Marinica, Dana Codruta; Borisov, Andrei G.

doi:10.1103/physrevb.93.035418

Cited by 29 publications

(27 citation statements)

References 59 publications

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“…In contrast, excellent agreement with the inplane dipole model is found, in particular, within the subcritical angular range and for the angle of maximum emission, without the use of any fitting parameters. These observations confirm that the detected light is not due to a nanocavity mode of the tip-surface junction because such a mode would exhibit an emission pattern similar to that of an out-of plane dipole [56]. These results also confirm that we measure the luminescence of the bright exciton in monolayer MoSe 2 , which has an in-plane transition dipole (unlike the dark exciton) [57].…”

Section: Scanning Tunneling Microscope-induced Excitonic Luminescencesupporting

confidence: 81%

Scanning Tunneling Microscope-Induced Excitonic Luminescence of a Two-Dimensional Semiconductor

et al. 2019

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Section: Scanning Tunneling Microscope-induced Excitonic Luminescencesupporting

confidence: 81%

Scanning Tunneling Microscope-Induced Excitonic Luminescence of a Two-Dimensional Semiconductor

et al. 2019

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“…Generating light locally at the nanoscale is possible by different means, for example via scanning tunneling microscopes (STMs) 13,14 , carbon nanotubes [15][16][17][18] , quantum dots 19 and optical antennas [20][21][22] . However, obtaining directed electrically driven emission is only possible by utilizing STMs 23,24 , which again involves bulky lab-scale setups, or by twisting the arms of electrically driven dipole antennas in order to break the point symmetry 25 . The latter show a limited geometrical definition and directionality only, are by design not scalable to significantly higher values and, hence, not suitable for, e.g., cross-talk free on-chip data communication.…”

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confidence: 99%

Electrically-driven Yagi-Uda antennas for light

et al. 2020

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Yagi-Uda antennas are a key technology for efficiently transmitting information from point to point using radio waves. Since higher frequencies allow higher bandwidths and smaller footprints, a strong incentive exists to shrink Yagi-Uda antennas down to the optical regime. Here we demonstrate electrically-driven Yagi-Uda antennas for light with wavelength-scale footprints that exhibit large directionalities with forward-to-backward ratios of up to 9.1 dB. Light generation is achieved via antenna-enhanced inelastic tunneling of electrons over the antenna feed gap. We obtain reproducible tunnel gaps by means of feedback-controlled dielectrophoresis, which precisely places single surface-passivated gold nanoparticles in the antenna gap. The resulting antennas perform equivalent to radio-frequency antennas and combined with waveguiding layers even outperform RF designs. This work paves the way for optical on-chip data communication that is not restricted by Joule heating but also for advanced light management in nanoscale sensing and metrology as well as light emitting devices.

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“…This is equivalent to a rapidly changing cavity size, which may explain the abrupt changes in the spectrum that are observed around λ 0 = P . At this point, we emphasize that the experimentally observed spectra are highly reproducible and that they are not subject to spectral shifts due to STM tip shape modifications [46,47], since the tip material (tungsten) is a nonplasmonic metal in this energy range.…”

Section: G Spectral Response: Role Of the Slit Gratingmentioning

confidence: 82%

Revealing the spectral response of a plasmonic lens using low-energy electrons

et al. 2017

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Plasmonic lenses, even of simple design, may have intricate spectral behavior. The spectral response of a plasmonic lens to a local, broadband excitation has rarely been studied despite its central importance in future applications. Here we use the unique combination of scanning tunneling microscopy (STM) and angle-resolved optical spectroscopy to probe the spectral response of a plasmonic lens. Such a lens consists of a series of concentric circular slits etched in a thick gold film. Spectrally broad, circular surface plasmon polariton (SPP) waves are electrically launched from the STM tip at the plasmonic lens center, and these waves scatter at the slits into a narrow, out-of-plane, light beam. We show that the angular distribution of the emitted light results from the interplay of the size of the plasmonic lens and the spectral width of the SPP nanosource. We then propose simple design rules for optimized light beaming with the smallest possible footprint. The spectral distribution of the emitted light depends not only on the SPP nanosource, but on the local density of electromagnetic states (EM-LDOS) at the nanosource position, which in turn depends on the cavity modes of the plasmonic microstructure. The key parameters for tailoring the spectral response of the plasmonic lens are the period of the slits forming the lens, the number of slits, and the lens inner diameter.

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Engineering the emission of light from a scanning tunneling microscope using the plasmonic modes of a nanoparticle

Cited by 29 publications

References 59 publications

Scanning Tunneling Microscope-Induced Excitonic Luminescence of a Two-Dimensional Semiconductor

Scanning Tunneling Microscope-Induced Excitonic Luminescence of a Two-Dimensional Semiconductor

Electrically-driven Yagi-Uda antennas for light

Revealing the spectral response of a plasmonic lens using low-energy electrons

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