no code implementations • 21 Jan 2021 • Shima Rajabali, Erika Cortese, Mattias Beck, Simone De Liberato, Jérôme Faist, Giacomo Scalari
Sub-wavelength electromagnetic field localization has been central in photonic research in the last decade, allowing to enhance sensing capabilities as well as increasing the coupling between photons and material excitations.
Mesoscale and Nanoscale Physics Optics
no code implementations • 14 Jan 2021 • David Stark, Muhammad Mirza, Luca Persichetti, Michele Montanari, Sergej Markmann, Mattias Beck, Thomas Grange, Stefan Birner, Michele Virgilio, Chiara Ciano, Michele Ortolani, Cedric Corley, Giovanni Capellini, Luciana Di Gaspare, Monica De Seta, Douglas J. Paul, Jérôme Faist, Giacomo Scalari
We report electroluminescence originating from L-valley transitions in n-type Ge/Si$_{0. 15}$Ge$_{0. 85}$ quantum cascade structures centered at 3. 4 and 4. 9 THz with a line broadening of $\Delta f/f \approx 0. 2$.
Optics Applied Physics
no code implementations • 16 Dec 2020 • Lucy L Hale, Janine Keller, Thomas Siday, Rodolfo I Hermans, Johannes Haase, John L Reno, Igal Brener, Giacomo Scalari, Jérôme Faist, Oleg Mitrofanov
This near-field microscopy and spectroscopy method enables investigations of strong light-matter coupling at THz frequencies in the single-resonator regime.
Optics
