Coulomb blockade plasmonic switch
| dc.contributor.author | Xiang, Dao | |
| dc.contributor.author | Wu, Jian | |
| dc.contributor.author | Gordon, Reuven | |
| dc.date.accessioned | 2023-04-27T21:52:31Z | |
| dc.date.available | 2023-04-27T21:52:31Z | |
| dc.date.copyright | 2017 | en_US |
| dc.date.issued | 2017-03-16 | |
| dc.description.abstract | Tunnel resistance can be modulated with bias via the Coulomb blockade effect, which gives a highly nonlinear response current. Here we investigate the optical response of a metal–insulator–nanoparticle–insulator–metal structure and show switching of a plasmonic gap from insulator to conductor via Coulomb blockade. By introducing a sufficiently large charging energy in the tunnelling gap, the Coulomb blockade allows for a conductor (tunneling) to insulator (capacitor) transition. The tunnelling electrons can be delocalized over the nanocapacitor again when a high energy penalty is added with bias. We demonstrate that this has a huge impact on the plasmonic resonance of a 0.51 nm tunneling gap with ∼70% change in normalized optical loss. Because this structure has a tiny capacitance, there is potential to harness the effect for high-speed switching. | en_US |
| dc.description.reviewstatus | Reviewed | en_US |
| dc.description.scholarlevel | Faculty | en_US |
| dc.description.sponsorship | This work is supported by the NSERC CREATE grant Materials for Enhanced Energy Technologies. | en_US |
| dc.identifier.citation | Xiang, D., Wu, J., & Gordon, R. (2017). Coulomb blockade plasmonic switch. Nano Letters, 17(4), 2584–2588. https://doi.org/10.1021/acs.nanolett.7b00360 | en_US |
| dc.identifier.uri | https://doi.org/10.1021/acs.nanolett.7b00360 | |
| dc.identifier.uri | http://hdl.handle.net/1828/15015 | |
| dc.language.iso | en | en_US |
| dc.publisher | Nano Letters | en_US |
| dc.subject | Coulomb blockade | |
| dc.subject | nanoparticles | |
| dc.subject | quantum tunnelling | |
| dc.subject | switching | |
| dc.subject.department | Department of Electrical and Computer Engineering | |
| dc.title | Coulomb blockade plasmonic switch | en_US |
| dc.type | Postprint | en_US |