Hybrid thin-film lithium niobate micro-ring acousto-optic modulator for microwave-to-optical conversion
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arXiv
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| Autori principali: | , , , , , , , , , , , , |
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| Natura: | Preprint |
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2024
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| _version_ | 1866914790421561344 |
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| author | Wan, Lei Huang, Jiying Wen, Meixun Li, Huan Zhou, Wenfeng Yang, Zhiqiang Chen, Yuping Liu, Huilong Zeng, Siqing Liu, Dong Yang, Shuixian Dai, Daoxin Li, Zhaohui |
| author_facet | Wan, Lei Huang, Jiying Wen, Meixun Li, Huan Zhou, Wenfeng Yang, Zhiqiang Chen, Yuping Liu, Huilong Zeng, Siqing Liu, Dong Yang, Shuixian Dai, Daoxin Li, Zhaohui |
| contents | Highly efficient acousto-optic modulation plays a vital role in the microwave-to-optical conversion. Herein, we demonstrate a hybrid thin-film lithium niobate (TFLN) racetrack micro-ring acousto-optic modulator (AOM) implemented with low-loss chalcogenide (ChG) waveguide. By engineering the electrode configuration of the interdigital transducer, the double-arm micro-ring acousto-optic modulation is experimentally confirmed in nonsuspended ChG loaded TFLN waveguide platform. Varying the position of blue-detuned bias point, the half-wave-voltage-length product VpaiL of the hybrid TFLN micro-ring AOM is as small as 9 mVcm. Accordingly, the acousto-optic coupling strength is estimated to be 0.48 Hz s1/2 at acoustic frequency of 0.84 GHz. By analyzing the generation of phonon number from the piezoelectric transducer, the microwave-to-optical conversion efficiency is calculated to be 0.05%, approximately one order of magnitude larger than that of the state-of-the-art suspended counterpart. Efficient microwave-to-optical conversion thus provides new opportunities for low-power-consumption quantum information transduction using the TFLN-ChG hybrid piezo-optomechanical devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_06274 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hybrid thin-film lithium niobate micro-ring acousto-optic modulator for microwave-to-optical conversion Wan, Lei Huang, Jiying Wen, Meixun Li, Huan Zhou, Wenfeng Yang, Zhiqiang Chen, Yuping Liu, Huilong Zeng, Siqing Liu, Dong Yang, Shuixian Dai, Daoxin Li, Zhaohui Optics Applied Physics Highly efficient acousto-optic modulation plays a vital role in the microwave-to-optical conversion. Herein, we demonstrate a hybrid thin-film lithium niobate (TFLN) racetrack micro-ring acousto-optic modulator (AOM) implemented with low-loss chalcogenide (ChG) waveguide. By engineering the electrode configuration of the interdigital transducer, the double-arm micro-ring acousto-optic modulation is experimentally confirmed in nonsuspended ChG loaded TFLN waveguide platform. Varying the position of blue-detuned bias point, the half-wave-voltage-length product VpaiL of the hybrid TFLN micro-ring AOM is as small as 9 mVcm. Accordingly, the acousto-optic coupling strength is estimated to be 0.48 Hz s1/2 at acoustic frequency of 0.84 GHz. By analyzing the generation of phonon number from the piezoelectric transducer, the microwave-to-optical conversion efficiency is calculated to be 0.05%, approximately one order of magnitude larger than that of the state-of-the-art suspended counterpart. Efficient microwave-to-optical conversion thus provides new opportunities for low-power-consumption quantum information transduction using the TFLN-ChG hybrid piezo-optomechanical devices. |
| title | Hybrid thin-film lithium niobate micro-ring acousto-optic modulator for microwave-to-optical conversion |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2405.06274 |