Experimental realization of orbital angular momentum multiplexed four-beam quadrature squeezing

Jiabin Wang, Yanbo Lou, Huanrong He, Shengshuai Liu, Jietai Jing

Research output: Contribution to journalArticlepeer-review

Abstract

We experimentally generate 9 sets of orbital angular momentum (OAM) multiplexed four-beam quadrature squeezing by utilizing four-wave mixing processes in a rubidium vapor. The degree of four-beam quadrature squeezing decreases with the increase of topological charge |l|. In addition, we investigate the four-beam quadrature squeezing with OAM superposition modes. Our results provide an efficient way to generate OAM multiplexed multi-beam quadrature squeezing and may find potential applications in multi-parameter estimation.

Original languageEnglish
Pages (from-to)1954-1957
Number of pages4
JournalFundamental Research
Volume5
Issue number5
DOIs
StatePublished - Sep 2025

Keywords

  • Balanced homodyne detection
  • Four-wave mixing
  • Multi-beam quadrature squeezing
  • Multiplexing
  • Orbital angular momentum

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