High‐Efficiency Transmissive Programmable Metasurface for Multimode OAM Generation
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.202000570
Abstract: Metasurfaces have been extensively studied for generating electromagnetic waves carrying orbital angular momentum (OAM). In particular, programmable metasurfaces enable real‐time switching between multiple OAM modes in a digital manner. However, the current programmable metasurfaces are… read more here.
Keywords: metasurface; transmissive programmable; programmable metasurface; efficiency ... See more keywords
Water wave gauge based on singlemode-multimode-singlemode fiber structure
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.06.099
Abstract: A simple wave gauge that uses a single-mode-multimode-single-mode (SMS) fiber structure is investigated in this paper. The SMS interferometer is packaged with Cr-39 plastic polymer plates in order to gauge water waves in the laboratory… read more here.
Keywords: fiber structure; structure; wave gauge; water wave ... See more keywords
Modulation transfer function of the imaging probe using an 8.8 mm-long and 125 µm-thick graded- index short multimode fiber
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.10.007
Abstract: Abstract We measured the modulation transfer function (MTF) of a short multimode fiber (SMMF) probe and proposed the optical model including the thin random phase screen (TRPS) to explain degradations of imaging characteristics. SMMF is… read more here.
Keywords: multimode fiber; modulation transfer; transfer function; short multimode ... See more keywords
High-sensitivity thermometer based on singlemode-multimode FBG-singlemode fiber
Sign Up to like & getrecommendations! Published in 2017 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.05.031
Abstract: Abstract A fiber Bragg grating (FBG) sensing configuration for temperature measurement based on singlemode–multimode FBG–singlemode fiber was proposed and experimentally demonstrated. The configuration was formed by fabricating an FBG in a multimode fiber, which was… read more here.
Keywords: singlemode; singlemode multimode; sensitivity; based singlemode ... See more keywords
Experimental multimode traveling waves identification in an acoustic waveguide
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107515
Abstract: Abstract An essential part of nondestructive testing and experimental modeling of waveguides is the decomposition of propagating wave patterns. The traveling wave ratio is a measure of partial reflections assisting in quantifying the pureness of… read more here.
Keywords: multimode traveling; waves identification; traveling waves; experimental multimode ... See more keywords
Numerical mode decomposition for multimode fiber: From multi-variable optimization to deep learning
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.101960
Abstract: Abstract Multimode fibers are gaining a resurgence of interest in both fundamental and applied research in recent years. Thanks to the ability to see the weights and relative phase of the multimode fiber modes, mode… read more here.
Keywords: multi variable; multimode; variable optimization; fiber ... See more keywords
Multilevel Approach for Direct VSCF/VCI MULTIMODE Calculations with Applications to Large "Zundel" Cations.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.8b00679
Abstract: We test existing efficient schemes for the "direct-dynamics" approach in building a potential energy surface (PES) in the code MULTIMODE. These are (1) the n-mode representation (nMR) approach to the PES, (2) the exploitation of… read more here.
Keywords: direct vscf; vscf vci; multimode; multilevel approach ... See more keywords
Efficient harmonic generation in an adiabatic multimode submicron tapered optical fiber
Sign Up to like & getrecommendations! Published in 2021 at "Communications Physics"
DOI: 10.1038/s42005-021-00677-2
Abstract: Optical nanotapers fabricated by tapering optical fibers have attracted considerable interest as an ultimate platform for high-efficiency light-matter interactions. While previously demonstrated applications relied exclusively on the low-loss transmission of only the fundamental mode, the… read more here.
Keywords: harmonic generation; optics; fiber; multimode submicron ... See more keywords
Manipulation of multimode squeezing in a coupled waveguide array
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.023841
Abstract: We present a scheme for generating and manipulating three-mode squeezed states with genuine tripartite entanglement by injecting single-mode squeezed light into an array of coupled optical waveguides. We explore the possibility to selectively generate single-mode… read more here.
Keywords: array; manipulation multimode; multimode squeezing; coupled waveguide ... See more keywords
Generation and characterization of discrete spatial entanglement in multimode nonlinear waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.032322
Abstract: We analyze theoretically spontaneous parametric down-conversion in a multimode nonlinear waveguide as a source of entangled pairs of spatial qubits, realized as superpositions of a photon in two orthogonal transverse modes of the waveguide. It… read more here.
Keywords: multimode nonlinear; multimode; spatial entanglement; generation characterization ... See more keywords
Thermalization of Light's Orbital Angular Momentum in Nonlinear Multimode Waveguide Systems.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.123901
Abstract: We show that the orbital angular momentum (OAM) of a light field can be thermalized in a nonlinear cylindrical multimode optical waveguide. We find that upon thermal equilibrium, the maximization of the optical entropy leads… read more here.
Keywords: light orbital; momentum; angular momentum; thermalization light ... See more keywords