Keyu Chen

ORCID: 0000-0003-3779-9162
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About
Contact & Profiles
Research Areas
  • Orbital Angular Momentum in Optics
  • Nonlinear Photonic Systems
  • Plasmonic and Surface Plasmon Research
  • Laser-Matter Interactions and Applications
  • Quantum optics and atomic interactions
  • Nonlinear Waves and Solitons

University of Shanghai for Science and Technology
2023

In the past three decades, a unique beam called vortex with orbital angular momentum has become research focus of researchers. However, to date, almost all methods for generating beams are adjust phase distribution central part cross section. Is there method generate high-purity one or dual based on edge diffraction regulation? Specifically, it been shown that variety complex laser modes can be generated in special cavity, and these difficult control. How create from patterns is an important...

10.1063/5.0127904 article EN Applied Physics Letters 2023-02-20

Fractional-order vortex beams possess unique spin and orbital angular momentum structure, have significant applications in various fields. Nevertheless, the construction tuning of these require high-precision optical devices systems that are challenging to implement. Here, we propose a simple effective method for realizing multi-mode independent modulation fractional-order vector elliptical perfect vortices. The combines mode extraction pen successfully construct tunable arrays. linear...

10.2139/ssrn.4454305 preprint EN 2023-01-01
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