Gravitational-wave astronomy with a space-based optical clock network
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
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2026
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| author | Ganapathy, Dhruva Singh, Divya Singamsetty, Sammith Kolkowitz, Shimon |
| author_facet | Ganapathy, Dhruva Singh, Divya Singamsetty, Sammith Kolkowitz, Shimon |
| contents | Since the first detection of a merging binary black hole system a decade ago, gravitational-wave astronomy has emerged as a powerful tool for astrophysics. Future space-based observatories, such as the Laser Interferometer Space Antenna (LISA), will unlock the millihertz (mHz) band, which remains entirely inaccessible to ground-based detectors due to terrestrial noise. In parallel, proposed atom-based gravitational-wave detectors, specifically those based on space-based optical clocks and atom interferometers, offer capabilities that are unique and complementary to traditional optical interferometers. Their highly tunable character enable sensitive measurements across a broad frequency band extending from the mHz up to and possibly even above the Hz regime. In this work, we investigate the use of one-way Doppler tracking in space-based atomic clock networks operating in concert with detectors like LISA. We develop dedicated measurement protocols, analyze dominant noise sources, and perform preliminary parameter estimation on simulated gravitational-wave signals. Ultimately, we demonstrate how these detectors could be used to extract critical astrophysical information about binary gravitational-wave sources. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2606_01516 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Gravitational-wave astronomy with a space-based optical clock network Ganapathy, Dhruva Singh, Divya Singamsetty, Sammith Kolkowitz, Shimon General Relativity and Quantum Cosmology Instrumentation and Methods for Astrophysics Atomic Physics Instrumentation and Detectors Since the first detection of a merging binary black hole system a decade ago, gravitational-wave astronomy has emerged as a powerful tool for astrophysics. Future space-based observatories, such as the Laser Interferometer Space Antenna (LISA), will unlock the millihertz (mHz) band, which remains entirely inaccessible to ground-based detectors due to terrestrial noise. In parallel, proposed atom-based gravitational-wave detectors, specifically those based on space-based optical clocks and atom interferometers, offer capabilities that are unique and complementary to traditional optical interferometers. Their highly tunable character enable sensitive measurements across a broad frequency band extending from the mHz up to and possibly even above the Hz regime. In this work, we investigate the use of one-way Doppler tracking in space-based atomic clock networks operating in concert with detectors like LISA. We develop dedicated measurement protocols, analyze dominant noise sources, and perform preliminary parameter estimation on simulated gravitational-wave signals. Ultimately, we demonstrate how these detectors could be used to extract critical astrophysical information about binary gravitational-wave sources. |
| title | Gravitational-wave astronomy with a space-based optical clock network |
| topic | General Relativity and Quantum Cosmology Instrumentation and Methods for Astrophysics Atomic Physics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2606.01516 |