Gate-Tunable Optical Extinction of Graphene Nanoribbon Nanoclusters
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arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2021
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| author | Sheridan, Erin Li, Gang Sarker, Mamun Hao, Shan Eom, Ki-Tae Eom, Chang-Beom Sinitskii, Alexander Irvin, Patrick Levy, Jeremy |
| author_facet | Sheridan, Erin Li, Gang Sarker, Mamun Hao, Shan Eom, Ki-Tae Eom, Chang-Beom Sinitskii, Alexander Irvin, Patrick Levy, Jeremy |
| contents | We investigate the optical response of graphene nanoribbons (GNRs) using the broadband nonlinear generation and detection capabilities of nanoscale junctions created at the LaAlO$_3$/SrTiO$_3$ interface. GNR nanoclusters measured to be as small as 1-2 GNRs in size are deposited on the LaAlO$_3$ surface with an atomic force microscope tip. Time-resolved nonlinear optical probes of GNR nanoclusters reveal a strong, gate-tunable second and third harmonic response, as well as strong extinction of visible to near-infrared (VIS-NIR) light at distinct wavelengths, similar to previous reports with graphene. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2103_07346 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Gate-Tunable Optical Extinction of Graphene Nanoribbon Nanoclusters Sheridan, Erin Li, Gang Sarker, Mamun Hao, Shan Eom, Ki-Tae Eom, Chang-Beom Sinitskii, Alexander Irvin, Patrick Levy, Jeremy Mesoscale and Nanoscale Physics Optics We investigate the optical response of graphene nanoribbons (GNRs) using the broadband nonlinear generation and detection capabilities of nanoscale junctions created at the LaAlO$_3$/SrTiO$_3$ interface. GNR nanoclusters measured to be as small as 1-2 GNRs in size are deposited on the LaAlO$_3$ surface with an atomic force microscope tip. Time-resolved nonlinear optical probes of GNR nanoclusters reveal a strong, gate-tunable second and third harmonic response, as well as strong extinction of visible to near-infrared (VIS-NIR) light at distinct wavelengths, similar to previous reports with graphene. |
| title | Gate-Tunable Optical Extinction of Graphene Nanoribbon Nanoclusters |
| topic | Mesoscale and Nanoscale Physics Optics |
| url | https://arxiv.org/abs/2103.07346 |