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This research demonstrates that four-wave mixing in xenon gas can effectively shift quantum light wavelengths while preserving signal phase with high fidelity. Maintaining this phase is critical for encoding data and enabling interoperability between different quantum network components, such as fiber optics and trapped-ion systems. The findings represent a significant step toward building functional, multi-wavelength quantum networks.

Source coveringQuantum Zeitgeist

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Xenon gas helps shift quantum light to new wavelengths

Quantum ZeitgeistAugust 27, 20263 min read

Translating quantum information across wavelengths is key for quantum networks, and research shows four-wave mixing in xenon gas can preserve signal phase—critical for encoding data at wavelengths like 1550 nm.

Researchers at UCLA, SLAC National Accelerator Laboratory, the University of Rochester, and the University of Ottawa are using xenon gas within hollow-core capillary fibers to address a critical challenge in building quantum networks: shifting quantum light to new wavelengths while preserving its delicate phase. Phase, which describes a light wave’s structure, is central to encoding and transmitting quantum information; unpredictable alterations can degrade or lose…

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