Spiral bandwidth of four-wave mixing in Rb vapour
arXiv:1805.08190 · doi:10.1038/s42005-018-0077-5
Abstract
Laguerre-Gauss beams, and more generally the orbital angular momentum of light (OAM) provide valuable research tools for optical manipulation, processing, imaging and communication. Here we explore the high-efficiency frequency conversion of OAM in a four-wave mixing process in rubidium vapour. Conservation of the OAM in the two pump beams determines the total OAM shared by the generated light fields at 420 nm and 5.2 um - but not its distribution between them. We experimentally investigate the spiral bandwidth of the generated light modes as a function of pump OAM. A small pump OAM is transferred almost completely to the 420 nm beam. Increasing the total pump OAM broadens the OAM spectrum of the generated light, indicating OAM entanglement between the generated light fields. This clears the path to high-efficiency OAM entanglement between widely disparate wavelengths.
arXiv commentFully revised to include referees' improvements and journal requirements. Supplementary material is included as an ancillary file
References in corpus (33)
- Entanglement of Orbital Angular Momentum States of Photons
- A quantum memory for orbital angular momentum photonic qubits
- Experimental Quantum Cryptography with Qutrits
- Higher-dimensional orbital angular momentum based quantum key distribution with mutually unbiased bases
- Measuring Entangled Qutrits and Their Use for Quantum Bit Commitment
- Optical ferris wheel for ultracold atoms
- Quantum Storage of Orbital Angular Momentum Entanglement in an Atomic Ensemble
- Trans-spectral orbital angular momentum transfer via four wave mixing in Rb vapor
- Quantum spiral bandwidth of entangled two-photon states
- Quantum telecommunication based on atomic cascade transitions
- A room temperature single-photon source based on strongly interacting Rydberg atoms
- Narrow Band Source of Transform-Limited Photon Pairs via Four-Wave Mixing in a Cold Atomic Ensemble
- Collimated blue light generated by four-wave mixing in Rb vapour
- Enhanced frequency up-conversion in Rb vapor
- Orbital angular momentum-entanglement frequency transducer
- Frequency up-conversion and arbitrary sum arithmetic of lights with orbital angular momentum
- The Collective Lamb Shift of a Nanoscale Atomic Vapour Layer within a Sapphire Cavity
- Atomic Faraday filter with equivalent noise bandwidth less than 1 GHz
- Directional infrared emission resulting from cascade population inversion and four-wave mixing in Rb vapours
- Spiral bandwidth of four-wave mixing in Rb vapour
- Extending dark optical trapping geometries
- High Helicity Vortex Conversion in a Rubidium Vapor
- Single-photon interference due to motion in an atomic collective excitation
- Arithmetic with optical topological charged in step-wise excited Rb vapour
- Cavity-enhanced frequency up-conversion in rubidium vapour
- Gaussian Beam-Propagation Theory for Nonlinear Optics - Featuring an Exact Treatment of Orbital Angular Momentum Transfer
- Four-wave mixing in a non-degenerate four-level diamond configuration in the hyperfine Paschen-Back regime
- Generating quantum correlated twin beams by four-wave mixing in hot cesium vapor
- Frequency evaluation of collimated blue light generated by wave mixing in Rb vapour
- Experimental Upconversion of Images
- Optical cavity for enhanced parametric four-wave mixing in rubidium
- Multi-pass configuration for Improved Squeezed Vacuum Generation in Hot Rb Vapor
- Broad Spiral-Bandwidth of Orbital Angular Momentum Interface between Photon and Memory
Cited by in corpus (19)
- Coherent manipulation of a three-dimensional maximally entangled state
- Spiral bandwidth of four-wave mixing in Rb vapour
- Large-scale Ising Emulation with Four-Body Interaction and All-to-All Connection
- Gouy phase-matched angular and radial mode conversion in four-wave mixing
- Optical Angular Momentum Manipulations in a Four Wave Mixing Process
- Four-wave mixing based orbital angular momentum translation
- Polychromatic, continuous-wave mirrorless lasing from monochromatic pumping of cesium vapor
- Interference effect and Autler-Townes splitting in coherent blue light generated by four-wave mixing
- A simple, powerful diode laser system for atomic physics
- Spatial distribution of two symmetric four-wave mixing signals induced by Gaussian beams
- Optical characterisation of micro-fabricated Fresnel zone plates for atomic waveguides
- Saturation and alternate pathways in four-wave mixing in rubidium
- Generation of subnatural-linewidth orbital angular momentum entangled biphotons using a single driving laser in hot atoms
- Modeling the performance and bandwidth of single-atom adiabatic quantum memories
- Generation of coupled orbital angular momentum modes from an optical vortex parametric laser source
- Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre-Gaussian beams
- Angular Momentum Supercontinuum from Fibre Rings
- Poincaré sphere symmetries in four-wave mixing with orbital angular momentum
- Spatial correlations in four-wave mixing with structured light