Excitation of plasmonic nanoantennas with nonresonant and resonant electron tunnelling

Abstract

A rigorous theory of photon emission accompanied inelastic tunnelling inside the gap of plasmonic nanoantennas has been developed. The disappointingly low efficiency of the electrical excitation of surface plasmon polaritons in these structures can be increased by orders of magnitude when a resonant tunnelling structure is incorporated inside the gap. Resonant tunnelling assisted surface plasmon emitter may become a key element in future electrically-driven nanoplasmonic circuits.

7 pages, 6 figures

References in corpus (4)

• Electrically-driven optical antennas
• Antenna-coupled photon emission from hexagonal boron nitride tunnel junctions
• Spontaneous hot-electron light emission from electron-fed optical antennas
• Fano Resonance in an Electrically Driven Plasmonic Device

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• Effect of quantized conductivity on the anomalous photon emission radiated from atomic-size point contacts
• The optimum configuration design of a nanostructured thermoelectric device with resonance tunneling
• Enhanced light emission from gap plasmons in nano-strip MIM tunnel junctions
• An effective density matrix approach for intersubband plasmons coupled to a cavity field: electrical extraction/injection of intersubband polaritons