Wang, CF;
Habteyes, TG;
Luk, TS;
Klem, JF;
Brener, I;
Chen, HT;
Mitrofanov, O;
(2019)
Nano-FTIR Spectroscopy of Intersubband Polaritons in Single Nanoantenna.
In:
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
IEEE: Paris, France.
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Abstract
We demonstrate observation of infrared (IR) intersubband (ISB) polaritons in an isolated subwavelength size nanoantenna using near-field Fourier-transform infrared (FTIR) spectroscopy of the evanescent fields on the nanoantenna surface. The near-field approach enables detection of the distinctive polariton splitting of the nanoantenna resonance in the amplitude and phase spectra, as well as mapping of the ISB polariton dispersion. The nano-FTIR spectroscopy approach opens doors for investigations of light-matter interaction in the single subwavelength nanoantenna regime.
| Type: | Proceedings paper |
|---|---|
| Title: | Nano-FTIR Spectroscopy of Intersubband Polaritons in Single Nanoantenna |
| Event: | IRMMW-THz 2019 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/IRMMW-THz.2019.8873824 |
| Publisher version: | https://doi.org/10.1109/IRMMW-THz.2019.8873824 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Antennas , Spectroscopy , Resonant frequency , Bars , Optical surface waves , Couplings |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10097992 |
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