軌道角運動量多重化4ビーム四辺形圧縮の実験的実現

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Updated: Jan 31, 2026

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

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Published on: September 25, 2020

Jiabin Wang¹, Yanbo Lou¹, Huanrong He¹

¹State Key Laboratory of Precision Spectroscopy, Joint Institute of Advanced Science and Technology, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China.

Fundamental research

|January 30, 2026

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.

キーワード:

平衡ホモダイン検出四光波混合多光線四辺形圧縮多重化軌道角運動量

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