Resonant plasmon-assisted tunneling in a double quantum dot coupled to a quantum-Hall plasmon resonator
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914871853973504 |
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| author | Lin, Chaojing Futamata, Ko Akiho, Takafumi Muraki, Koji Fujisawa, Toshimasa |
| author_facet | Lin, Chaojing Futamata, Ko Akiho, Takafumi Muraki, Koji Fujisawa, Toshimasa |
| contents | Edge magnetoplasmon is an emergent chiral bosonic mode promising for studying electronic quantum optics. While the plasmon transport has been investigated with various techniques for decades,its coupling to a mesoscopic device remained unexplored. Here, we demonstrate the coupling between a single plasmon mode in a quantum Hall plasmon resonator and a double quantum dot (DQD). Resonant plasmon-assisted tunneling is observed in the DQD through absorbing or emitting plasmons stored in the resonator. By using the DQD as a spectrometer, the plasmon energy and the coupling strength are evaluated, which can be controlled by changing the electrostatic environment of the quantum Hall edge. The observed plasmon-electron coupling encourages us for studying strong coupling regimes of plasmonic cavity quantum electrodynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_15857 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Resonant plasmon-assisted tunneling in a double quantum dot coupled to a quantum-Hall plasmon resonator Lin, Chaojing Futamata, Ko Akiho, Takafumi Muraki, Koji Fujisawa, Toshimasa Mesoscale and Nanoscale Physics Edge magnetoplasmon is an emergent chiral bosonic mode promising for studying electronic quantum optics. While the plasmon transport has been investigated with various techniques for decades,its coupling to a mesoscopic device remained unexplored. Here, we demonstrate the coupling between a single plasmon mode in a quantum Hall plasmon resonator and a double quantum dot (DQD). Resonant plasmon-assisted tunneling is observed in the DQD through absorbing or emitting plasmons stored in the resonator. By using the DQD as a spectrometer, the plasmon energy and the coupling strength are evaluated, which can be controlled by changing the electrostatic environment of the quantum Hall edge. The observed plasmon-electron coupling encourages us for studying strong coupling regimes of plasmonic cavity quantum electrodynamics. |
| title | Resonant plasmon-assisted tunneling in a double quantum dot coupled to a quantum-Hall plasmon resonator |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2406.15857 |