Electrically pumped ultra-efficient quantum frequency conversion on thin film lithium niobate chip
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arXiv
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| Format: | Preprint |
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2025
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| author | Wang, Xina Jiao, Xu-Feng Cao, Bo Liu, Yang Xie, Xiu-Ping Zheng, Ming-Yang Zhang, Qiang Pan, Jian-Wei |
| author_facet | Wang, Xina Jiao, Xu-Feng Cao, Bo Liu, Yang Xie, Xiu-Ping Zheng, Ming-Yang Zhang, Qiang Pan, Jian-Wei |
| contents | Quantum frequency conversion (QFC) plays a crucial role in constructing seamless interconnection between quantum systems operating at different wavelengths. To advance future quantum technology, chip-scale integrated QFC components, featuring high efficiency, small footprint, low power consumption and high scalability, are indispensable. In this work, we demonstrate the first hybrid integrated QFC chip on thin film lithium niobate platform that connects the telecom and visible bands. Benefiting from the periodically poled microring resonator with ulta-high normalized conversion efficiency of 386,000 %/W, an ultra-low pump power of 360 μW is achieved which is more than two orders of magnitude lower than traditional straight waveguide scheme. By injecting current into the chip, an on-chip quantum efficiency of 57% and a noise count of ~ 7k counts per second are achieved. Such an electrically pumped, integrated and scalable QFC chip would significantly advancing the integration of quantum network and the development of chip-scale quantum optical systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_03869 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Electrically pumped ultra-efficient quantum frequency conversion on thin film lithium niobate chip Wang, Xina Jiao, Xu-Feng Cao, Bo Liu, Yang Xie, Xiu-Ping Zheng, Ming-Yang Zhang, Qiang Pan, Jian-Wei Quantum Physics Optics Quantum frequency conversion (QFC) plays a crucial role in constructing seamless interconnection between quantum systems operating at different wavelengths. To advance future quantum technology, chip-scale integrated QFC components, featuring high efficiency, small footprint, low power consumption and high scalability, are indispensable. In this work, we demonstrate the first hybrid integrated QFC chip on thin film lithium niobate platform that connects the telecom and visible bands. Benefiting from the periodically poled microring resonator with ulta-high normalized conversion efficiency of 386,000 %/W, an ultra-low pump power of 360 μW is achieved which is more than two orders of magnitude lower than traditional straight waveguide scheme. By injecting current into the chip, an on-chip quantum efficiency of 57% and a noise count of ~ 7k counts per second are achieved. Such an electrically pumped, integrated and scalable QFC chip would significantly advancing the integration of quantum network and the development of chip-scale quantum optical systems. |
| title | Electrically pumped ultra-efficient quantum frequency conversion on thin film lithium niobate chip |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2509.03869 |