Proof-of-principle demonstration of a Polarization-Circulation Speed Meter
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912706685042688 |
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| author | Nishino, Yohei Akutsu, Tomotada Aso, Yoichi Otsuka, Munetake Kranzhoff, Luise Tomaru, Takayuki |
| author_facet | Nishino, Yohei Akutsu, Tomotada Aso, Yoichi Otsuka, Munetake Kranzhoff, Luise Tomaru, Takayuki |
| contents | We present the first experimental implementation of a polarization-circulation speed meter. In our experiment, the interferometer was reduced to a single-cavity configuration with all mirrors fixed. A green-locking scheme was employed to stabilize the polarization circulation cavity, and a lock-acquisition procedure was demonstrated to realize speed-meter operation. The system was characterized by measuring the transfer function from a pseudo-displacement signal to the photodetector output, confirming that the device measures the speed of mirror motion. These results support the feasibility of polarization-circulation speed meters and suggest that the control scheme could be extended to more complex configurations, such as Michelson interferometers and suspended-mirror systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_10220 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Proof-of-principle demonstration of a Polarization-Circulation Speed Meter Nishino, Yohei Akutsu, Tomotada Aso, Yoichi Otsuka, Munetake Kranzhoff, Luise Tomaru, Takayuki Quantum Physics We present the first experimental implementation of a polarization-circulation speed meter. In our experiment, the interferometer was reduced to a single-cavity configuration with all mirrors fixed. A green-locking scheme was employed to stabilize the polarization circulation cavity, and a lock-acquisition procedure was demonstrated to realize speed-meter operation. The system was characterized by measuring the transfer function from a pseudo-displacement signal to the photodetector output, confirming that the device measures the speed of mirror motion. These results support the feasibility of polarization-circulation speed meters and suggest that the control scheme could be extended to more complex configurations, such as Michelson interferometers and suspended-mirror systems. |
| title | Proof-of-principle demonstration of a Polarization-Circulation Speed Meter |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.10220 |