Results 241 to 250 of about 651,102 (346)

A Comparative Study on Signal Decomposition Techniques for Stimulated Raman Photoacoustic Microscopy

open access: yesJournal of Biophotonics, EarlyView.
Comparison of sO2 maps generated using signal decomposition methods. ABSTRACT In this paper, we present a comparative study of signal decomposition techniques in multispectral photoacoustic microscopy (MS‐PAM) systems that are based on the use of stimulated Raman spectroscopy (SRS).
Amir Khansari   +5 more
wiley   +1 more source

Unravelling the Spatiotemporal Exciton Dynamics in Electrically Pumped Organic Laser Diodes

open access: yesLaser &Photonics Reviews, EarlyView.
High‐speed OLED measurements combined with advanced simulations reveal how singlet, triplet, and polaron dynamics drive key loss channels that hinder organic semiconductor lasing, while presenting strategies to overcome them. Abstract Organic materials offer wide‐band emission covering regions of the spectrum unachievable by conventional semiconductors.
Adam Bickerdike   +2 more
wiley   +1 more source

Engineering Topological Phases with a Traveling‐Wave Spacetime Modulation

open access: yesLaser &Photonics Reviews, EarlyView.
Time‐varying systems have garnered considerable attention due to their unique potential in manipulating electromagnetic waves. Here, a novel class of topological spacetime crystals with a traveling‐wave modulation is introduced. By manipulating material anisotropy, one can engineer light angular momentum and non‐trivial topological phases characterized
João C. Serra, Mário G. Silveirinha
wiley   +1 more source

Coexistence of ferroelectricity and altermagnetism in wurtzite vanadium oxide: a first-principles study. [PDF]

open access: yesRSC Adv
Zaman A   +7 more
europepmc   +1 more source

Bridging Classical and Quantum Approaches for Quantitative Sensing of Turbid Media with Polarization‐Entangled Photons

open access: yesLaser &Photonics Reviews, EarlyView.
This work bridges classical and quantum polarimetry toward quantitative quantum photonic sensing of turbid environments. Theoretical and experimental investigations reveal how polarization‐entangled photonic states evolve in turbid media, uncovering robust trends in entanglement evolution and paving the way for advanced quantum sensing in biomedical ...
Vira R. Besaga   +5 more
wiley   +1 more source

Pulsed Quantum Excitation

open access: yesLaser &Photonics Reviews, EarlyView.
This manuscript demonstrates the improvements that single photon sources can gain if their source of excitation is quantum rather than classical. Illuminating a pair of identical two‐level systems, the author shows that the excitation with pulses of quantum light yields more antibunched and more indistinguishable emission than if the excitation were ...
Juan Camilo López Carreño
wiley   +1 more source

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