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
- 超快科学（英文） 2025年5卷第1期
- 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：
  
  We acknowledge financial support from the National Key Research and Development Program of China (grant no. 2023YFA1407100), Guangdong Province Science and Technology Major Project (Future functional materials under extreme conditions—2021B0301030005), and the Guangdong Natural Science Foundation (General Program project no. 2023A1515010871). C.H. and S.G. acknowledge support by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division through the AMOS program.
- DOI：10.34133/ultrafastscience.0100
  中图分类号：
- 网络出版日期：2025-07-02，
  
  纸质出版日期：2025
- Accepted：
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Toward Attosecond Vortices in Semiconductor Materials[J]. 超快科学（英文）, 2025,5(1).

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

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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