High-Q and Compact Fabry-Perot Microresonators on Thin-Film Lithium Niobate
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916997923602432 |
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| author | Yang, Likai Li, Chunzhen Xie, Jiacheng Tang, Hong X. |
| author_facet | Yang, Likai Li, Chunzhen Xie, Jiacheng Tang, Hong X. |
| contents | Thin-film lithium niobate (TFLN) has played a pivotal role in the advancement of integrated photonics, by supporting a diverse range of applications including nonlinear optics, electro-optics, and piezo-optomechanics. The effective realization and enhancement of these interactions rely heavily on the implementation of high quality photonic microresonators. The pursuit of novel resonator architectures with optimized properties thus represents a central research area in TFLN photonics. In this work, we design and fabricate TFLN Fabry-Perot microresonators, by placing a straight section of waveguide between a pair of tapered photonic crystal mirrors. The resonator features a high quality factor of 600k at 1530 nm and a compact length of 100 um. The functionality of the device is further demonstrated by integrating on-chip electrodes for high-frequency piezo-optomechanical modulation. Our device can serve as an appealing candidate for developing high-performance photonic components on the TFLN platform. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_07598 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-Q and Compact Fabry-Perot Microresonators on Thin-Film Lithium Niobate Yang, Likai Li, Chunzhen Xie, Jiacheng Tang, Hong X. Optics Thin-film lithium niobate (TFLN) has played a pivotal role in the advancement of integrated photonics, by supporting a diverse range of applications including nonlinear optics, electro-optics, and piezo-optomechanics. The effective realization and enhancement of these interactions rely heavily on the implementation of high quality photonic microresonators. The pursuit of novel resonator architectures with optimized properties thus represents a central research area in TFLN photonics. In this work, we design and fabricate TFLN Fabry-Perot microresonators, by placing a straight section of waveguide between a pair of tapered photonic crystal mirrors. The resonator features a high quality factor of 600k at 1530 nm and a compact length of 100 um. The functionality of the device is further demonstrated by integrating on-chip electrodes for high-frequency piezo-optomechanical modulation. Our device can serve as an appealing candidate for developing high-performance photonic components on the TFLN platform. |
| title | High-Q and Compact Fabry-Perot Microresonators on Thin-Film Lithium Niobate |
| topic | Optics |
| url | https://arxiv.org/abs/2510.07598 |