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| Hlavní autoři: | , , , , , |
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| Médium: | Preprint |
| Vydáno: |
2024
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| Témata: | |
| On-line přístup: | https://arxiv.org/abs/2408.10607 |
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| _version_ | 1866912074914856960 |
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| author | Gao, Li Zheng, Li-ang Lu, Bo Shi, Shaoping Tian, Long Zheng, Yaohui |
| author_facet | Gao, Li Zheng, Li-ang Lu, Bo Shi, Shaoping Tian, Long Zheng, Yaohui |
| contents | The detection of gravitational waves has ushered in a new era of observing the universe. Quantum resource advantages offer significant enhancements to the sensitivity of gravitational wave observatories. While squeezed states for ground-based gravitational wave detection have received marked attention, the generation of squeezed states suitable for mid-to-low-frequency detection has remained unexplored. To address the gap in squeezed state optical fields at ultra-low frequencies, we report on the first direct observation of a squeezed vacuum field until Fourier frequency of 4 millihertz with the quantum noise reduction of up to 8 dB, by the employment of a multiple noise suppression scheme. Our work provides quantum resources for future gravitational wave observatories, facilitating the development of quantum precision measurement. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_10607 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Generation of squeezed vacuum state in the millihertz frequency band Gao, Li Zheng, Li-ang Lu, Bo Shi, Shaoping Tian, Long Zheng, Yaohui Optics Quantum Physics The detection of gravitational waves has ushered in a new era of observing the universe. Quantum resource advantages offer significant enhancements to the sensitivity of gravitational wave observatories. While squeezed states for ground-based gravitational wave detection have received marked attention, the generation of squeezed states suitable for mid-to-low-frequency detection has remained unexplored. To address the gap in squeezed state optical fields at ultra-low frequencies, we report on the first direct observation of a squeezed vacuum field until Fourier frequency of 4 millihertz with the quantum noise reduction of up to 8 dB, by the employment of a multiple noise suppression scheme. Our work provides quantum resources for future gravitational wave observatories, facilitating the development of quantum precision measurement. |
| title | Generation of squeezed vacuum state in the millihertz frequency band |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2408.10607 |