Results 41 to 50 of about 816,157 (339)

Generation of Photon Orbital Angular Momentum and Its Application in Space Division Multiplexing

Photonics, 2023
In the last three decades, light’s orbital angular momentum (OAM) has been of great interest because it has unique characteristics that make it sought after in many research fields, especially in optical communications.
Temitope M. Olaleye, Paulo A. Ribeiro, Maria Raposo   +2 more
doaj   +1 more source

Jets and Photons

, 2012
This Letter applies the concept of `jets', as constructed from calorimeter cell four-vectors, to jets composed (primarily) of photons (or leptons). Thus jets become a superset of both traditional objects such as QCD-jets, photons, and electrons, and more
Ellis, Stephen D., Roy, Tuhin S., Scholtz, Jakub   +2 more
core   +1 more source

Evaluation of Perkin Elmer Amorphous Silicon Electronic Portal Imaging Device for Small Photon Field Dosimetry [PDF]

Journal of Biomedical Physics and Engineering
Background: Electronic portal imaging devices (EPIDs) are applied to measure the dose and verify patients’ position.Objective: The present study aims to evaluate the performance of EPID for measuring dosimetric parameters in small photon fields.Material ...
Mohammad Haghparast, Wrya Parwaie, Mohsen Bakhshandeh, Nina Tuncel, Seied Rabi Mahdavi   +4 more
doaj   +1 more source

Quantum science in a nutshell: fostering students' functional understanding of models

Frontiers in Education, 2023
Fostering students' understanding of models is a challenge. However, in particular for learning quantum physics an elaborate understanding of models is required. We investigated activities to foster students' functional thinking about (quantum) models in
Malte S. Ubben, Joaquin M. Veith, Avraham Merzel, Philipp Bitzenbauer   +3 more
doaj   +1 more source

Tailoring Single and Multiphoton Probabilities of a Single Photon On-Demand Source

, 2002
As typically implemented, single photon sources cannot be made to produce single photons with high probability, while simultaneously suppressing the probability of yielding two or more photons. Because of this, single photon sources cannot really produce
A. L. Migdall, A.K. Ekert, A.K. Ekert, A.V. Sergienko, B.C. Jacobs, C. Bennett, C. Kurtsiefer, C. Kurtsiefer, D. Branning, D.C. Burnham, E. Knill, G. Brassard, J. Kim, P.G. Kwiat, S. Castelletto, T. Jennewein, W. Tittel, W.T. Buttler, W.T. Buttler, Y.H. Kim, Z. Yaun   +20 more
core   +1 more source

Response of Cadmium Zinc Telluride Compound Semi-Conductor Detector against Gamma Photons by Efficiency Calculation: A Microdosimetry Simulation Study [PDF]

Iranian Journal of Medical Physics, 2020
Introduction: Cadmium zinc telluride has recently been used as a compound semiconductor detector in a wide range of fields. The current study is a comprehensive investigation of the performance of this detector against the photon beam.
Golnaz Barzgarnezhad, Ahmad Esmaili Torshabi   +1 more
doaj   +1 more source

Measurement of infrared optical constants with visible photons

, 2018
We demonstrate a new scheme of infrared spectroscopy with visible light sources and detectors. The technique relies on the nonlinear interference of correlated photons, produced via spontaneous parametric down conversion in a nonlinear crystal.
An, Chengwu, Kalashnikov, Dmitry, Krivitsky, Leonid A., Paterova, Anna, Yang, Hongzhi   +4 more
core   +1 more source

Long distance entanglement swapping with photons from separated sources

, 2004
We report the first experimental realization of entanglement swapping over large distances in optical fibers. Two photons separated by more than two km of optical fibers are entangled, although they never directly interacted. We use two pairs of time-bin
H. de Riedmatten, H. Zbinden, I. Marcikic, J. A. W. van Houwelingen, M. Zukowski, N. Gisin, W. Tittel   +6 more
core   +1 more source

Erasing Distinguishability Using Quantum Frequency Up-Conversion [PDF]

, 2008
The frequency distinguishability of two single photons was successfully erased using single photon frequency up-conversion. A frequency non-degenerate photon pair generated via spontaneous four-wave mixing in a dispersion shifted fiber was used to ...
A. P. Vandevender, Hiroki Takesue, P. Kumar   +2 more
core   +1 more source

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

FEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang, Naoki Sunagawa, Toma Kashima, Kiyohiko Igarashi, Akimasa Miyanaga, Shinya Fushinobu   +5 more
wiley   +1 more source