Results 1 to 10 of about 6,585 (258)
Few-Mode Fiber with Low Spontaneous Raman Scattering for Quantum Key Distribution and Classical Optical Communication Coexistence Systems [PDF]
SensorsIn this paper, the theoretical model of spontaneous Raman scattering (SpRS) in few-mode fiber (FMF) is discussed. The influence of SpRS on quantum key distribution (QKD) in FMF is evaluated by combining wavelength division multiplexing (WDM) and space ...
Qi Zhao +5 more
doaj +4 more sources
Measurement-induced collective vibrational quantum coherence under spontaneous Raman scattering in a liquid [PDF]
Nature Communications, 2023 Spontaneous vibrational Raman scattering is a ubiquitous form of light–matter interaction whose description necessitates quantization of the electromagnetic field.
Valeria Vento +3 more
doaj +2 more sources
Broadband Coherent Raman Scattering: Excitation Architectures and Operating Regimes [PDF]
MoleculesCoherent Raman scattering (CRS) techniques such as coherent anti-Stokes Raman scattering (CARS) provide chemically specific vibrational contrast with signal levels far exceeding spontaneous Raman scattering (SpRS). Extending these to broadband excitation
Roland Ackermann +4 more
doaj +2 more sources
Broadband CARS high-throughput single-cell imaging [PDF]
EPJ Web of Conferences, 2023 Broadband Coherent anti-Stokes Raman Scattering (BCARS) enables the whole vibrational spectrum of cytologically prepared samples to be obtained using a hyperspectral raster scan approach.
Muddiman Ryan, Hennelly Bryan
doaj +1 more source
Bioengineering, 2023 We previously developed a hollow-core photonic crystal fiber (HCPCF) based Raman scattering enhancement technique for gas/human breath analysis. It enhances photon–gas molecule interactions significantly but is still based on CW laser excitation ...
Maryam Shirmohammad +2 more
doaj +1 more source
Photonics, 2022 Antimicrobial resistance (AMR) is a global medical threat that seriously endangers human health. Rapid bacterial identification and antimicrobial susceptibility testing (AST) are key interventions to combat the spread and emergence of AMR.
Weifeng Zhang +3 more
doaj +1 more source
Raman Scattering-Based Biosensing: New Prospects and Opportunities
Biosensors, 2021 The growing interest in the development of new platforms for the application of Raman spectroscopy techniques in biosensor technologies is driven by the potential of these techniques in identifying chemical compounds, as well as structural and functional
Kseniya V. Serebrennikova +4 more
doaj +1 more source
Molecules, 2021 Raman spectroscopy is one of the main analytical techniques used in optical metrology. It is a vibration, marker-free technique that provides insight into the structure and composition of tissues and cells at the molecular level. Raman spectroscopy is an
Aneta Saletnik +2 more
doaj +1 more source
Time-ordering in Heisenberg’s equation of motion as related to spontaneous radiation
Scientific Reports, 2021 Despite many years of research into Raman phenomena, the problem of how to include both spontaneous and stimulated Raman scattering into a unified set of partial differential equations persists.
Benjamin D. Strycker
doaj +1 more source
Quantum jumps via spontaneous Raman scattering [PDF]
Physical Review A, 1987 A single laser, which is used to induce and detect spontaneous Raman transitions, can be used to observe quantum jumps in a single atom. The population dynamics of a particular system, consisting of two S1/22 ground-state levels and four P3/22 excited-state levels split by a magnetic field, is analyzed for a laser tuned near a particular transition. We
Hulet, Randall G., Wineland, D.J.
openaire +3 more sources