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9 papers · 2 filters
Ultrafast Chemical Imaging by Widefield Photothermal Sensing of Infrared Absorption
Yeran Bai, Delong Zhang, Lu Lan +4
Infrared (IR) imaging has become a viable tool for visualizing various chemical bonds in a specimen. The performance, however, is limited in terms of spatial resolution and imaging…
Characterizing pump line phase offset of a single-soliton Kerr comb by dual comb interferometry
Ziyun Kong, Chengying Bao, Oscar E. Sandoval +5
We experimentally demonstrate phase retrieval of a single-soliton Kerr comb using electric field cross-correlation implemented via dual-comb interferometry. The phase profile of th…
Full-wave analysis of reverse saturable absorption in time-domain
Shaimaa I. Azzam, Alexander V. Kildishev
An advanced full-wave time-domain numerical model for reverse saturable absorption (RSA) is presented and verified against established methods. Rate equations, describing atomic re…
Formation of Bound States in the Continuum in Hybrid Plasmonic-Photonic Systems
Shaimaa I. Azzam, Vladimir M. Shalaev, Alexandra Boltasseva +1
A bound state in the continuum (BIC) is a localized state of an open structure with access to radiation channels, yet it remains highly confined with, in theory, infinite lifetime…
Dual-Band Quasi-Coherent Radiative Thermal Source
Ryan Starko-Bowes, Jin Dai, Ward Newman +9
Thermal radiation from an unpatterned object is similar to that of a gray body. The thermal emission is insensitive to polarization, shows only Lambertian angular dependence, and i…
Hybrid Plasmonic Bullseye Antennas for Efficient Photon Collection
Sebastian K. H. Andersen, Simeon Bogdanov, Oksana Makarova +5
We propose highly efficient hybrid plasmonic bullseye antennas for collecting photon emission from nm-sized quantum emitters. In our approach, the emitter radiation is coupled to s…