Full degree-of-freedom polarization hologram by freeform exposure and inkjet printing
PhotoniX, 2023 Since the invention of holography by Dennis Gabor, the fabrication of holograms has mainly relied on direct recording of wavefront by engraving the intensity fringes of interfering electric fields into the holographic material. The degree-of-freedom (DoF)
Jianghao Xiong +4 more
doaj +4 more sources
Quantum Distillation Of Position Entanglement With The Polarization Degrees Of Freedom [PDF]
Optics Communications, 2001 Sources of entangled photon pairs using two parametric down-converters are capable of generating interchangeable entanglement in two different degrees of freedom.
Bennett +14 more
core +4 more sources
Towards generation of hybrid entangled photon pairs by spectrally overlapping intermodal-vectorial four-wave mixing bands in optical fibers [PDF]
Scientific ReportsOptical fiber-based sources of photon pairs with hybrid entanglement across multiple degrees of freedom are essential for a wide range of quantum technologies, while remaining compatible with existing communication networks.
Andrzej Gawlik +3 more
doaj +2 more sources
High-efficiency dual-polarized broadband reflecting metasurface using continuous polarization conversion technique and element with multi degree of freedom [PDF]
Scientific Reports, 2022 In this study, two effective approaches are combined which are implemented at the element design level and system design level to simultaneously improve the frequency bandwidth and aperture efficiency of a dual-polarized single-layer reflecting ...
Majid Karimipour, Iman Aryanian
doaj +3 more sources
Full-parameter-modulated three-dimensional vectorial generalized vortex array [PDF]
Light: Science & ApplicationsOrbital angular momentum, as an important spatial degree of freedom of light, has prompted various promising applications. The recently proposed generalized vortex beams may further enhance the flexibility by utilizing customer-defined angular phase ...
Xue Zhang +11 more
doaj +2 more sources
Decoupling metasurface parameters for independent Stokes polarization control via generalized lattice [PDF]
Light: Science & ApplicationsThe ability to achieve comprehensive control over all Stokes parameters, including both the state of polarization (SoP) and the degree of polarization (DoP), is fundamental to advancements in quantum optics, imaging, and optical communications.
Zhi Cheng +4 more
doaj +2 more sources
Nested SU(2) symmetry of photonic orbital angular momentum
Frontiers in Physics, 2023 The polarization state is described by a quantum mechanical two-level system, which is known as special unitary group of degree 2 [SU(2)]. Polarization is attributed to an internal spin degree of freedom inherent to photons, while photons also possess an
Shinichi Saito
doaj +1 more source
Multi-party semi-quantum key distribution protocol based on hyperentangled Bell states
Frontiers in Physics, 2022 Semi-quantum key distribution allows generating a raw key between two communication participants, in which the sender is a quantum participant and the receiver is a classical participant.
Yuan Tian +3 more
doaj +1 more source
Experiments and simulations of chiro-optical response in lowcost nanohole arrays in silver [PDF]
EPJ Web of Conferences, 2022 2D metasurfaces based on periodic nanoholes in metal have been proposed in various plasmonic platforms. Specifically, their resonant features have led to applications spanning in biosensing.
Petronijevic Emilija +8 more
doaj +1 more source
Intrinsic valley polarization and anomalous valley hall effect in single-layer 2H-FeCl2
ChemPhysMater, 2022 Valley, as a new degree of freedom for electrons, has drawn considerable attention due to its significant potential for encoding and storing information. Lifting the energy degeneracy to achieve valley polarization is necessary for realizing valleytronic
Pei Zhao +4 more
doaj +1 more source