Gap‐Surface Plasmon Metasurfaces for Broadband Circular‐to‐Linear Polarization Conversion and Vector Vortex Beam Generation
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201801414
Abstract: The ability to control and manipulate the polarization state of light is of crucial importance in many modern optical applications ranging from quantum technologies to biomedical sciences. Here, an ultrathin quarter‐wave plate (QWP) with a… read more here.
Keywords: surface plasmon; gap surface; polarization; vector ... See more keywords
Generation of inhomogeneously polarized vector vortex modes in few mode optical fiber
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-1752-9
Abstract: We have demonstrated the generation of inhomogeneously polarized vector-vortex modes in a step index, few mode fiber other than well-known zeroth order vector modes such as radial, azimuthal and hybridly polarized modes. These vector-vortex modes… read more here.
Keywords: vector vortex; vortex modes; polarized vector; inhomogeneously polarized ... See more keywords
Topological defects related to linear dichroism. Generation of vector-vortex beams
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166335
Abstract: Abstract We show that the effect of linear dichroism produces vector-vortex beams in axially inhomogeneous optically birefringent material samples. When the linear dichroism dominates (the corresponding parameter σ = 0), a vector-vortex beam is generated at the… read more here.
Keywords: topological defects; dichroism; vortex beams; vector vortex ... See more keywords
Stabilization of vector vortex beams in thermal nonlinear media
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166686
Abstract: Abstract We studied the stability dynamics of vector vortices – which consist of a fundamental Gaussian beam co-propagating with a higher-order vortex – in a thermal, nonlocal, nonlinear medium with cylindrical symmetry. Using linear stability… read more here.
Keywords: stabilization vector; vortex beams; vector vortex; thermal nonlinear ... See more keywords
Common-path generation of stable cylindrical perfect vector vortex beams of arbitrary order
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125807
Abstract: A Highly flexible and efficient method of generating stable radially and Azimuthally polarized perfect optical vortex beams and all higher-order cylindrical vector vortex beams are proposed and demonstrated. The method is the most convenient implementation… read more here.
Keywords: order; phase; beams arbitrary; vortex beams ... See more keywords
Optical Vector Vortex Generation by Spherulites with Cylindrical Anisotropy.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c00171
Abstract: Materials with crystalline structures of circular symmetry are rare in nature; however, they are highly desired in optical applications with structured lights, whose characteristics are of cylindrical symmetry. In this work, using a naturally existing… read more here.
Keywords: vector vortex; anisotropy; optical vector; generation ... See more keywords
Electrically tunable vector vortex coronagraphs based on liquid-crystal geometric phase waveplates
Sign Up to like & getrecommendations! Published in 2019 at "Molecular Crystals and Liquid Crystals"
DOI: 10.1080/15421406.2019.1581707
Abstract: Abstract In the present work we attempt to demonstrate the potential advantages of inserting an electrically tunable q-plate as phase mask in the design of a vector vortex coronagraph. The possibility of electrically adjusting the… read more here.
Keywords: electrically tunable; phase; geometric phase; vector vortex ... See more keywords
Storing vector-vortex states of light in an intra-atomic frequency-comb quantum memory
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.043713
Abstract: Photons are one of the prominent candidates for long-distance quantum communication and quantum information processing. Certain quantum information processing tasks require storage and faithful retrieval of single photons preserving the internal states of the photons.… read more here.
Keywords: states light; vortex states; vector vortex; frequency ... See more keywords
Imprinting Spatial Helicity Structure of Vector Vortex Beam on Spin Texture in Semiconductors.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.126701
Abstract: We present the transfer of the spatially variant polarization of topologically structured light to the spatial spin texture in a semiconductor quantum well. The electron spin texture, which is a circular pattern with repeating spin-up… read more here.
Keywords: spin texture; vortex beam; spin; vector vortex ... See more keywords
Effect of rotating target on speckle and orbital angular momentum characteristics of vector vortex beams
Sign Up to like & getrecommendations! Published in 2023 at "Optical Engineering"
DOI: 10.1117/1.oe.62.4.044101
Abstract: Abstract. Based on angular spectrum diffraction theory, the scattering field of vector vortex beams (VVBs) passing through a rotating random rough surface is derived. The speckle produced by VVBs passing through the rotating ground glass… read more here.
Keywords: effect; ground; ground glass; speckle ... See more keywords
Cascaded vector vortex mode generation from a solid-state Raman laser.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.443596
Abstract: Cascaded vector vortex mode generation from a Ba(NO3)2 Raman laser cavity pumped by a vector LG0,2 green laser was demonstrated for the first time to our knowledge. The generated Stokes outputs exhibited a second-order vector… read more here.
Keywords: laser; cascaded vector; vortex mode; vector ... See more keywords