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Phase compensation method for Laguerre-Gaussian beam

HAOTIAN SHI1,2, FANGFEI WU1,2, HUIFENG ZHENG1, XIAOYUE WANG1,* , YANI ZUO2,*

Affiliation

  1. China Jiliang University, Hangzhou 310018, China
  2. Division of Time and Frequency Metrology, National Institute of Metrology, Beijing 100029, China

Abstract

We propose a phase compensation method to deal with the phase twist of Laguerre-Gaussian (LG) beam. Theoretical analysis of the electric field expression allows the separation of the exponential term responsible for phase twist. For LG beam and a certain propagation distance, phase compensation is modulated and applied to the initial beam. Numerical calculations were conducted, comparing the evolution of LG beam without phase compensation and tat with compensation. The compensation method effectively addresses to the problem of phase twist during the transmission of LG beams, offering significant value for fields such as communication, imaging, and quantum sensing.

Keywords

Laguerre beam, Orbital angular momentum, Phase compensation, Propagation characteristics.

Citation

HAOTIAN SHI, FANGFEI WU, HUIFENG ZHENG, XIAOYUE WANG, YANI ZUO, Phase compensation method for Laguerre-Gaussian beam, Optoelectronics and Advanced Materials - Rapid Communications, 19, 11-12, November-December 2025, pp.490-495 (2025).

Submitted at: March 25, 2025

Accepted at: Dec. 2, 2025