2024年4月16日 · OAM lasers come in all shapes and sizes, from bulky solid-state devices for high power, to microsized on-chip solutions for easy integration into electro-optical systems. …

2016年7月29日 · We have demonstrated a microring OAM laser producing an optical vortex beam with an on-demand topological charge and vector polarization states. This is enabled through …

2020年4月27日 · Here, we report a metasurface-enhanced laser that overcomes this limitation. We demonstrate new high-purity OAM states with quantum numbers reaching ℓ = 100 and non …

2019年10月2日 · Recently, high-power ultrashort OAM-tunable VBs were combined with femtosecond laser direct writing technology to process more special structures, such as multi …

5 天之前 · Orbital angular momentum (OAM) from lasers holds promise for compact, at-source solns. for applications ranging from imaging to communications. However, conjugate …

2025年2月26日 · Benefiting from the long gain region and the large surface-to-volume ratio of this fiber-like geometric structure, a 100 W optical vortex laser (OAM = ℏ) with a high slope …

22 小时之前 · Optical OAM was traditionally considered rare, predominantly manifesting during high-order atomic and molecular transitions. The conceptual shift initiated by Allen et al. in …

2024年7月23日 · oam在光学显微镜、安全加密、微操作、光通信和量子信息等经典和量子领域发挥着日益重要作用。为充分利用光子oam，灵活地控制和生成oam模式变得尤为重要，为此已 …

3 天之前 · The Laguerre–Gaussian (LG) mode beam carrying orbital angular momentum (OAM) is a type of beam with a helical structure of equal-phase surfaces [].Due to its unique optical field …

We review the physics of OAM lasers, covering diverse symmetry-breaking approaches such as gain or loss control, asymmetric cavity geometries and geometric phase control.