Stimulated Exciton-Polariton Scattering in Hybrid Halide Perovskites

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BaZrS3 Lights Up: The Interplay of Electrons, Photons, and Phonons in Strongly Luminescent Single Crystals

Nicola Marzari

Chalcogenide perovskites have emerged as a promising class of materials for the next generation of optoelectronic applications, with BaZrS3 attracting significant attention due to its wide bandgap, earth-abundant composition, and thermal and chemical stabi ...

2025

Polarization Pulling in Dual-Probe Distributed Brillouin Optical Fiber Sensors

Luc Thévenaz

This paper investigates the so-far unexplored influence of the probes on the state of polarization (SOP) of the pump pulse in a distributed fiber sensor based on dual-probe Brillouin optical-time domain analysis (BOTDA). A theoretical framework, based on a ...

IEEE Institute of Electrical and Electronics Engineers2024

Centimeter-Scale Propagation of Optical Surface Waves at Visible Wavelengths

Hans Peter Herzig, Nicolas Maxime André Descharmes, Babak Vosoughi Lahijani, Raphaël Barbey, Gaël David Osowiecki

Guiding and confining light at interfaces is crucial for applications involving light-matter interactions, such as surface spectroscopy, nonlinear optics, and quantum information technology. While dielectric surface waves offer promising perspectives for s ...

WILEY-V C H VERLAG GMBH2022

Local modification of GaAs nanowires induced by laser heating

Anna Fontcuberta i Morral

GaAs nanowires were heated locally under ambient air conditions by a focused laser beam which led to oxidation and formation of crystalline arsenic on the nanowire surface. Atomic force microscopy, photoluminescence and Raman spectroscopy experiments were ...

Institute of Physics2011