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10 June 2024 Fiber polarization characterization and stabilization in a quantum network
Yicheng Shi, Thomas Gerrits, Oliver Slattery
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Proceedings Volume PC13025, Advanced Photon Counting Techniques XVIII; PC1302507 (2024) https://doi.org/10.1117/12.3016179
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
In a fiber-based quantum network, reliable transmission of polarization-encoded photons remains a challenging task due to the presence of polarization mode dispersion, which randomly rotates the polarization of propagating photons and causes errors. We present our work on the characterization of polarization stability of deployed fiber links, as well as demonstrating a technique for stabilizing the polarization transformation of a fiber using a reference signal generated at single-photon-level intensity. Our method continuously operates at a wavelength adjacent to the quantum channel and creates minimal interruptions to the quantum network operations.
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Yicheng Shi, Thomas Gerrits, and Oliver Slattery "Fiber polarization characterization and stabilization in a quantum network", Proc. SPIE PC13025, Advanced Photon Counting Techniques XVIII, PC1302507 (10 June 2024); https://doi.org/10.1117/12.3016179
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KEYWORDS
Polarization
Quantum networks
Quantum signals
Fiber characterization
Photons
Quantum operations
Signal intensity
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