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Title: Tunable orbital angular momentum in high-harmonic generation

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms14971· OSTI ID:1361172
 [1];  [1];  [2];  [3];  [4];  [1];  [3];  [5];  [6];  [4];  [6];  [6];  [2];  [7];  [2];  [4];  [8]
  1. Elettra-Sincrotrone Trieste,Trieste (Italy)
  2. Univ. of Nova Gorica, Nova Gorica (Slovenia)
  3. The Ohio State Univ., Columbus, OH (United States)
  4. Univ. Paris-Saclay, Gif-sur-Yvette (France)
  5. Imagine Optic, Orsay (France)
  6. Institute of Photonics and Nanotechnologies, Padova (Italy)
  7. Univ. Paris-Sud, Orsay (France)
  8. Elettra-Sincrotrone Trieste,Trieste (Italy); Univ. of Nova Gorica, Nova Gorica (Slovenia)

Optical vortices are currently one of the most intensively studied topics in optics. These light beams, which carry orbital angular momentum (OAM), have been successfully utilized in the visible and infrared in a wide variety of applications. Moving to shorter wavelengths may open up completely new research directions in the areas of optical physics and material characterization. Here, we report on the generation of extreme-ultraviolet optical vortices with femtosecond duration carrying a controllable amount of OAM. From a basic physics viewpoint, our results help to resolve key questions such as the conservation of angular momentum in highly nonlinear light–matter interactions, and the disentanglement and independent control of the intrinsic and extrinsic components of the photon’s angular momentum at short-wavelengths. The methods developed here will allow testing some of the recently proposed concepts such as OAM-induced dichroism, magnetic switching in organic molecules and violation of dipolar selection rules in atoms.

Research Organization:
Elettra-Sincrotrone Trieste,Trieste (Italy); The Ohio State Univ., Columbus, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-04ER15614
OSTI ID:
1361172
Alternate ID(s):
OSTI ID: 1362024
Journal Information:
Nature Communications, Vol. 8; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 128 works
Citation information provided by
Web of Science

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Cited By (29)

Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities journal October 2019
Vectorizing the spatial structure of high-harmonic radiation from gas journal May 2019
Intense attosecond pulses carrying orbital angular momentum using laser plasma interactions journal December 2019
Controlling the polarization and vortex charge of attosecond high-harmonic beams via simultaneous spin–orbit momentum conservation journal December 2018
Autocorrelation pulse-duration measurement of relativistic femtosecond laser journal July 2018
Generation of twisted γ -ray radiation by nonlinear Thomson scattering of twisted light journal March 2019
Perturbing laser field dependent high harmonic phase modulations journal May 2018
Measuring the topological charge of an x-ray vortex using a triangular aperture journal March 2019
Three-dimensional carrier-envelope-phase map of focused few-cycle pulsed Gaussian beams journal December 2018
Spin-constrained orbital-angular-momentum control in high-harmonic generation journal October 2019
Generation of extreme-ultraviolet beams with time-varying orbital angular momentum journal June 2019
Hybrid topological evolution of multi-singularity vortex beams: generalized nature for helical-Ince–Gaussian and Hermite–Laguerre–Gaussian modes journal January 2019
Conservation of orbital angular momentum for high harmonic generation of fractional vortex beams journal January 2018
Truncated triangular diffraction lattices and orbital-angular-momentum detection of vortex SU(2) geometric modes journal January 2018
Orbital angular momentum from semiconductor high-order harmonics journal January 2019
Tornado waves journal January 2020
Perspective: Towards single shot time-resolved microscopy using short wavelength table-top light sources text January 2019
High harmonic generation with Laguerre–Gaussian beams text January 2019
Special Issue on Novel Insights into Orbital Angular Momentum Beams: From Fundamentals, Devices to Applications journal June 2019
Intense attosecond pulses carrying orbital angular momentum using laser plasma interactions text January 2019
Perspective: Towards single shot time-resolved microscopy using short wavelength table-top light sources journal January 2019
High harmonic generation with Laguerre–Gaussian beams journal July 2019
Orbital angular momentum from semiconductor high-order harmonics text January 2018
The three-dimensional carrier-envelope-phase map of focused few-cycle pulsed Gaussian beams text January 2018
Spin constrained orbital angular momentum control in high-harmonic generation text January 2018
Conservation of torus-knot angular momentum in high-order harmonic generation text January 2018
Electromagnetic theory of helicoidal dichroism in reflection from magnetic structures journal January 2021
Second Harmonic Generation of Spatiotemporal Optical Vortices and Conservation of Orbital Angular Momentum conference January 2021
High-Harmonic Generation and Spin-Orbit Interaction of Light in a Relativistic Oscillating Window text January 2020