Classical and quantum frequency combs for satellite-based clock synchronization Article Swipe
Ronakraj Gosalia
,
Ryan Aguinaldo
,
Jonathan Green
,
Holly Leopardi
,
Peter Brereton
,
Robert Malaney
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1063/5.0220546
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1063/5.0220546
The next generation of space-based networks for communications, sensing, and navigation will contain optical clocks embedded within satellites. To fully realize the capabilities of such clocks, high-precision clock synchronization across the networks will be necessary. Current experiments have shown the potential for classical frequency combs to synchronize remote optical clocks over free space. However, these classical combs are restricted in precision to the standard quantum limit. Quantum frequency combs, however, which exhibit quantum properties such as squeezing and entanglement, provide pathways for going beyond the standard quantum limit. Here, we present our perspective on the prospects for practical clock synchronization in space using both classical and quantum frequency combs. We detail the current outcomes achievable with a classical frequency comb approach to synchronization, before quantifying the potential outcomes offered by quantum frequency combs. Challenges to be overcome in deploying frequency combs in space are presented, and the implications of almost-perfect synchronization for future space-based applications and experiments are discussed.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1063/5.0220546
- OA Status
- gold
- Cited By
- 6
- References
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All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4403538067Canonical identifier for this work in OpenAlex
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https://doi.org/10.1063/5.0220546Digital Object Identifier
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Classical and quantum frequency combs for satellite-based clock synchronizationWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2024Year of publication
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2024-10-01Full publication date if available
- Authors
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Ronakraj Gosalia, Ryan Aguinaldo, Jonathan Green, Holly Leopardi, Peter Brereton, Robert MalaneyList of authors in order
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https://doi.org/10.1063/5.0220546Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://doi.org/10.1063/5.0220546Direct OA link when available
- Concepts
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Satellite, Synchronization (alternating current), Clock synchronization, Quantum, Physics, Computer science, Telecommunications, Quantum mechanics, Astronomy, Channel (broadcasting)Top concepts (fields/topics) attached by OpenAlex
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6Total citation count in OpenAlex
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2025: 4, 2024: 1Per-year citation counts (last 5 years)
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218Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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