Acousto-optic modulated vortex beam with tunable topological charge
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866913561103564800 |
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| author | Pitanti, Alessandro Ashurbekov, Nazim dePedro-Embid, Ismael Msall, Madeleine Santos, Paulo V. |
| author_facet | Pitanti, Alessandro Ashurbekov, Nazim dePedro-Embid, Ismael Msall, Madeleine Santos, Paulo V. |
| contents | Controlling the symmetry of optical and mechanical waves is pivotal to their full exploitation in technological applications and topology-linked fundamental physics experiments. Leveraging on the control of orbital angular momentum, we introduce here a device forming super-high-frequency-modulated optical vortex beams via acousto-optic interaction of light with acoustic vortices. Originated by shape-engineering of a single-contact bulk acoustic wave resonator, we generate vortices in a wide band of frequencies around 4 GHz and with frequency/geometrically tunable topological charge from 1 to 13 and beyond. With all electrical control and on-chip integration our device offers new solutions for angular-momentum-based light communication, three-dimensional particle manipulation, as well as novel interaction schemes for optomechanical devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_17877 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Acousto-optic modulated vortex beam with tunable topological charge Pitanti, Alessandro Ashurbekov, Nazim dePedro-Embid, Ismael Msall, Madeleine Santos, Paulo V. Optics Mesoscale and Nanoscale Physics Controlling the symmetry of optical and mechanical waves is pivotal to their full exploitation in technological applications and topology-linked fundamental physics experiments. Leveraging on the control of orbital angular momentum, we introduce here a device forming super-high-frequency-modulated optical vortex beams via acousto-optic interaction of light with acoustic vortices. Originated by shape-engineering of a single-contact bulk acoustic wave resonator, we generate vortices in a wide band of frequencies around 4 GHz and with frequency/geometrically tunable topological charge from 1 to 13 and beyond. With all electrical control and on-chip integration our device offers new solutions for angular-momentum-based light communication, three-dimensional particle manipulation, as well as novel interaction schemes for optomechanical devices. |
| title | Acousto-optic modulated vortex beam with tunable topological charge |
| topic | Optics Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2410.17877 |