Photonic Crystal Microring Resonators on a Hybrid Silicon Nitride-on-Lithium Niobate Platform
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866908344743100416 |
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| author | Peng, Zhongdi Krishna, Rakesh Wu, Xi Hosseinnia, Amir H. Fan, Tianren Adibi, Ali |
| author_facet | Peng, Zhongdi Krishna, Rakesh Wu, Xi Hosseinnia, Amir H. Fan, Tianren Adibi, Ali |
| contents | Photonic-crystal resonators (PhCRs) have been widely used in nonlinear integrated photonics for frequency engineering applications. A microwave-assisted frequency converter based on PhCRs highlights its precise control of frequency (enabled by creation of a pair of supermodes by a corrugated PhCR) and bidirectional frequency conversion. In this paper, we demonstrate a high-quality PhCR on a hybrid silicon nitride-on-lithium niobate-on-insulator (SiN-on-LNOI) platform for the first time for voltage-driven flexible frequency conversion using the electro-optic effect (0.85 pm/V). The fabricated PhCR has a large supermode splitting bandwidth = 14.6 GHz and an intrinsic quality factor (Q) = 147,000. Using different periodic corrugation amplitudes in the fabricated PhCRs enables the precise control of mode splitting with a ratio of 93.5 MHz/nm between the mode splitting bandwidth and the corrugation amplitude. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_00678 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Photonic Crystal Microring Resonators on a Hybrid Silicon Nitride-on-Lithium Niobate Platform Peng, Zhongdi Krishna, Rakesh Wu, Xi Hosseinnia, Amir H. Fan, Tianren Adibi, Ali Optics Applied Physics Photonic-crystal resonators (PhCRs) have been widely used in nonlinear integrated photonics for frequency engineering applications. A microwave-assisted frequency converter based on PhCRs highlights its precise control of frequency (enabled by creation of a pair of supermodes by a corrugated PhCR) and bidirectional frequency conversion. In this paper, we demonstrate a high-quality PhCR on a hybrid silicon nitride-on-lithium niobate-on-insulator (SiN-on-LNOI) platform for the first time for voltage-driven flexible frequency conversion using the electro-optic effect (0.85 pm/V). The fabricated PhCR has a large supermode splitting bandwidth = 14.6 GHz and an intrinsic quality factor (Q) = 147,000. Using different periodic corrugation amplitudes in the fabricated PhCRs enables the precise control of mode splitting with a ratio of 93.5 MHz/nm between the mode splitting bandwidth and the corrugation amplitude. |
| title | Photonic Crystal Microring Resonators on a Hybrid Silicon Nitride-on-Lithium Niobate Platform |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2505.00678 |