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- Sandia National Laboratories CaliforniaUS69 papers
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19 papers · 1 filter
Tutorial: Classifying Photonic Topology Using the Spectral Localizer and Numerical -Theory
Alexander Cerjan, Terry A. Loring
Recently, the spectral localizer framework has emerged as an efficient approach to classifying topology in photonic systems featuring local nonlinearities and radiative environment…
Terahertz pulse generation with binary phase control in non-linear InAs metasurface
Hyunseung Jung, Lucy L. Hale, Sylvain D. Gennaro +9
The effect of terahertz (THz) pulse generation has revolutionized broadband coherent spectroscopy and imaging at THz frequencies. However, THz pulses typically lack spatial structu…
Non-Invasive Near-field Spectroscopy of Single Sub-Wavelength Complementary Resonators
Lucy L Hale, Janine Keller, Thomas Siday +7
Subwavelength metallic resonators provide a route to achieving strong light-matter coupling by means of tight confinement of resonant electromagnetic fields. Investigation of such…
Viscoelastic optical nonlocality of low-loss epsilon-near-zero nanofilms
Domenico de Ceglia, Michael Scalora, Maria A. Vincenti +6
Optical nonlocalities are elusive and hardly observable in traditional plasmonic materials like noble and alkali metals. Here we report experimental observation of viscoelastic non…
Active tuning of high-Q dielectric metasurfaces
Matthew Parry, Andrei Komar, Ben Hopkins +7
We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silic…
Resonantly enhanced second-harmonic generation using III-V semiconductor all-dielectric metasurfaces
Sheng Liu, Michael B. Sinclair, Sina Saravi +8
Nonlinear optical phenomena in nanostructured materials have been challenging our perceptions of nonlinear optical processes that have been explored since the invention of lasers.…