Toward Attosecond Vortices in Semiconductor Materials

Camilo Granados; Bikash K. Das; Christian Heide; Shambhu Ghimire; Marcelo F. Ciappina

doi:10.34133/ultrafastscience.0100

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Toward Attosecond Vortices in Semiconductor Materials

Research Article | Updated：2025-09-09

- Toward Attosecond Vortices in Semiconductor Materials
- Ultrafast Science Vol. 5, Issue 1, (2025)
- Affiliations：
  
  1. Eastern Institute of Technology,Ningbo,China,315200
  2. Department of Physics, Guangdong Technion–Israel Institute of Technology,Guangdong,Shantou,China,515063
  3. Technion–Israel Institute of Technology,Haifa,Israel,32000
  4. Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion, Guangdong Technion–Israel Institute of Technology,Guangdong,Shantou,China,515063
  5. Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park,CA,USA,94025
  6. Department of Physics, University of Central Florida,FL,Orlando,USA,32816
  7. CREOL, The College of Optics and Photonics, University of Central Florida,FL,Orlando,USA,32816
- Author bio：
- Funds：
- DOI：10.34133/ultrafastscience.0100
  CLC：
- Published Online：02 July 2025，
  
  Published：2025
- Accepted：
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Camilo Granados, Bikash K. Das, Christian Heide, et al. Toward Attosecond Vortices in Semiconductor Materials[J]. Ultrafast science, 2025, 5(1).
DOI：

Camilo Granados, Bikash K. Das, Christian Heide, et al. Toward Attosecond Vortices in Semiconductor Materials[J]. Ultrafast science, 2025, 5(1). DOI： 10.34133/ultrafastscience.0100.

摘要

Abstract

We present theoretical results on the generation of short-wavelength vortex beams in semiconductors through their interaction with an intense Laguerre–Gauss (LG) beam

in the regime where nonperturbative high-order harmonics are generated. Our approach leverages key aspects of the microscopic mechanism for high-order harmonic generation (HHG) in condensed matter

including the incorporation of dephasing time in the semiconductor Bloch equations (SBEs)

the integration of the SBE model with the thin-slab model

and the application of experimentally validated scaling laws for different harmonic orders. For our simulations

we use a zinc oxide crystal interacting with an LG vortex beam characterized by a topological charge of . Time-domain analysis reveals that this is a feasible route

by synthesizing several harmonics

toward the generation of twisted attosecond pulse trains. These findings contribute to advancing the understanding of solid-state media interacting with structured light.

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