On-chip 7 GHz acousto-optic modulators for visible wavelengths
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866915614014046208 |
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| author | Zhang, Ji-Zhe Zeng, Yu Qin, Qing Yang, Yuan-Hao Tian, Zheng-Hui Wang, Jia-Qi Dong, Chun-Hua Xu, Xin-Biao Ye, Ming-Yong Guo, Guang-Can Zou, Chang-Ling |
| author_facet | Zhang, Ji-Zhe Zeng, Yu Qin, Qing Yang, Yuan-Hao Tian, Zheng-Hui Wang, Jia-Qi Dong, Chun-Hua Xu, Xin-Biao Ye, Ming-Yong Guo, Guang-Can Zou, Chang-Ling |
| contents | A chip-integrated acousto-optic phase modulator tailored for visible optical wavelengths has been developed. Utilizing the lithium niobate on sapphire platform, the modulator employs a 7 GHz surface acoustic wave, excited by an interdigital transducer and aligned perpendicular to the waveguide. This design achieves efficient phase modulation of visible light within a compact device length of merely 200 microns, while holds the advantages of easy fabrication and high stability due to simple unsuspended structure. Remarkably, in this high-frequency acoustic regime, the acoustic wavelength becomes comparable to the optical wavelength, resulting in a notable single-sideband modulation behavior. This observation underscores the phase delay effects in the acousto-optics interactions, and opens up new aspects for realizing functional visible photonic devices and its integration with atom- and ion-based quantum platforms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_15607 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On-chip 7 GHz acousto-optic modulators for visible wavelengths Zhang, Ji-Zhe Zeng, Yu Qin, Qing Yang, Yuan-Hao Tian, Zheng-Hui Wang, Jia-Qi Dong, Chun-Hua Xu, Xin-Biao Ye, Ming-Yong Guo, Guang-Can Zou, Chang-Ling Optics Applied Physics A chip-integrated acousto-optic phase modulator tailored for visible optical wavelengths has been developed. Utilizing the lithium niobate on sapphire platform, the modulator employs a 7 GHz surface acoustic wave, excited by an interdigital transducer and aligned perpendicular to the waveguide. This design achieves efficient phase modulation of visible light within a compact device length of merely 200 microns, while holds the advantages of easy fabrication and high stability due to simple unsuspended structure. Remarkably, in this high-frequency acoustic regime, the acoustic wavelength becomes comparable to the optical wavelength, resulting in a notable single-sideband modulation behavior. This observation underscores the phase delay effects in the acousto-optics interactions, and opens up new aspects for realizing functional visible photonic devices and its integration with atom- and ion-based quantum platforms. |
| title | On-chip 7 GHz acousto-optic modulators for visible wavelengths |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2411.15607 |