Articles with "optical field" as a keyword



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Theoretical analysis on nonlinearity of optical fiber with uniaxial crystal material cladding

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Published in 2017 at "Optik"

DOI: 10.1016/j.ijleo.2017.05.111

Abstract: Abstract The effective mode area and nonlinearity of a proposed fiber with cladding made of uniaxial anisotropic crystal material are derived by fully vectorial method, the influence of k cl , the ratio of the… read more here.

Keywords: fiber; optical field; crystal material; nonlinearity ... See more keywords
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Compact vectorial optical field generator based on a 10-megapixel resolution liquid crystal spatial light modulator

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Published in 2021 at "Optics Communications"

DOI: 10.1016/j.optcom.2021.127112

Abstract: Abstract Vectorial optical fields have attracted great attention with potential applications such as optical micromachining, optical nano-fabrication, surface plasmon excitation, optical micro-manipulation, optical imaging and so on. In this study, a compact vectorial optical field… read more here.

Keywords: optical field; vectorial optical; field generator; compact vectorial ... See more keywords
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Cross-talk free selective reconstruction of individual objects from multiplexed optical field data

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Published in 2018 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2017.07.014

Abstract: Abstract In this paper we present a data multiplexing method for simultaneous storage in a single package composed by several optical fields of tridimensional (3D) objects, and their individual cross-talk free retrieval. Optical field data… read more here.

Keywords: optical field; field; field data; cross talk ... See more keywords
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Suppression of optical field leakage to GaN substrate in GaN-based green laser diode

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Published in 2017 at "Superlattices and Microstructures"

DOI: 10.1016/j.spmi.2017.01.012

Abstract: Abstract In this study, n-InGaN and u-InGaN are proposed to be the lower waveguide (LWG) and quantum barrier (QB), respectively, to eliminate the leakage of optical field to GaN substrate in GaN-based green laser diode… read more here.

Keywords: optical field; based green; gan based; field ... See more keywords
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Programmable broadband optical field spectral shaping with megahertz resolution using a simple frequency shifting loop

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Published in 2019 at "Nature Communications"

DOI: 10.1038/s41467-019-12688-3

Abstract: Controlling the temporal and spectral properties of light is crucial for many applications. Current state-of-the-art techniques for shaping the time- and/or frequency-domain field of an optical waveform are based on amplitude and phase linear spectral… read more here.

Keywords: optical field; resolution; frequency; spectral shaping ... See more keywords
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Effect of optical pump on the dielectric properties of the Barium Strontium Titanate film

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Published in 2017 at "Ferroelectrics"

DOI: 10.1080/00150193.2017.1282777

Abstract: ABSTRACT We investigated the tunability of the dielectric characterization spectra of the Ferroelectric Barium Strontium Titanate (Ba0.5Sr0.5TiO3) thin films in an external optical field through the terahertz time-domain spectroscopy. The real part of the permittivity… read more here.

Keywords: optical field; strontium titanate; barium strontium; effect optical ... See more keywords
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Few-cycle optical-field-induced photoemission from biased surfaces: An exact quantum theory

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Published in 2021 at "Physical Review B"

DOI: 10.1103/physrevb.103.085410

Abstract: Photoemission driven by ultrafast optical fields enables spatiotemporal control of electron motion with extremely high precision. Here, we present a quantum model for ultrafast photoelectron emission from a dc-biased surface induced by laser pulses of… read more here.

Keywords: field; optical fields; photoemission; optical field ... See more keywords
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Hydrodynamic optical-field-ionized plasma channels.

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Published in 2018 at "Physical Review E"

DOI: 10.1103/physreve.97.053203

Abstract: We present experiments and numerical simulations which demonstrate that fully ionized, low-density plasma channels could be formed by hydrodynamic expansion of plasma columns produced by optical field ionization. Simulations of the hydrodynamic expansion of plasma… read more here.

Keywords: optical field; field ionized; plasma; hydrodynamic optical ... See more keywords
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Chiro-optical fields with asymmetric orbital angular momentum and polarization.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.449884

Abstract: In this paper, we proposed a flexible method for generating asymmetric chiro-optical fields. Different from most of the chiro-optical fields superimposed by vortex beams which are rotationally symmetric, the asymmetric chiro-optical field has a locally… read more here.

Keywords: optical field; optical fields; chiro optical; polarization ... See more keywords
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Determination of the linewidth enhancement factor of semiconductor lasers by complete optical field reconstruction.

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Published in 2023 at "Optics letters"

DOI: 10.1364/ol.483776

Abstract: We show that the method of complete optical field reconstruction introduced by Debeau et al. [Opt. Lett.23, 1784 (1998)10.1364/OL.23.001784] allows a precise determination of the linewidth enhancement factor (LEF) of semiconductor lasers. We determine experimentally… read more here.

Keywords: linewidth enhancement; field reconstruction; determination linewidth; complete optical ... See more keywords
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Spatial and frequency-selective optical field coupling absorption in an ultra-thin random metasurface.

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Published in 2023 at "Optics letters"

DOI: 10.1364/ol.486017

Abstract: Simplified thin-film structures with the capability of spatial and frequency-selective optical field coupling and absorption are desirable for nanophotonics. Herein, we demonstrate the configuration of a 200-nm-thick random metasurface formed by refractory metal nanoresonators, showing… read more here.

Keywords: frequency selective; field; spatial frequency; absorption ... See more keywords