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nist-gov/www.nist.gov/topic-terms/quantum-communications
Scott Williams 4063bef310 Initital commit.
2025-03-05 18:59:57 +00:00

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<p><span lang="EN-US">The National Institute of Standards and Technology (NIST) </span><a class="Hyperlink SCXW94761758 BCX0" href="https://www.nist.gov/ctl"><span lang="EN-US">Communications Technology Laboratory</span></a><span lang="EN-US"> (CTL) quantum communications research focuses on three areas: <strong>Sensing, Computing and Networking.</strong> These focus areas serve as the foundation for development and innovation across a wide range of technical applications, making NIST’s research essential for growth in numerous sectors.</span><span>&nbsp; This work contributes to </span><a href="https://www.nist.gov/quantum-information-science"><span>NIST’s Quantum Information Science (QIS)</span></a><span> initiative by developing innovative quantum communications components and techniques that enable secure, high-speed data transmission and foster future quantum networks. &nbsp;</span></p>
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<ul><li><a href="https://www.nist.gov/programs-projects/quantum-voltage-project">Quantum Voltage Standards</a>: Establishing reliable and programmable quantum voltage standards which are critical for calibrating electronics from direct current (DC) to radio frequencies (RF). By developing a broadband, integrated quantum-based microwave voltage source, CTL improves RF voltage measurements, benefiting high-speed communications.</li><li><a href="https://www.nist.gov/programs-projects/rydberg-atom-based-quantum-rf-field-probes">Quantum Field Probes Using Rydberg Atoms</a>: Working with Rydberg atoms allows for self-calibrated, International System of Units (SI)-traceable RF electric field measurements. This technology improves RF metrology and has applications in telecommunications, defense, and energy, supporting both performance and safety.</li></ul>
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<ul><li><a href="https://www.nist.gov/programs-projects/getting-qubit-mega-qubit-quantum-computers-radio-frequency-rf-calibrations">Qubit to Mega-Qubit Quantum Computers</a>: This research focuses on precise RF measurements in cryostats to characterize superconducting quantum circuits and components. By improving characterization methods, NIST researchers aim to exponentially scale quantum computing capabilities.&nbsp;</li><li><a href="https://www.nist.gov/programs-projects/flux-quantum-electronics">Scalable Quantum Computing</a>: Integrating Single-Flux-Quantum (SFQ) circuits to control qubits. This work includes testing electronic design automation (EDA) tools to streamline the design flow for scalable superconducting quantum computers.</li></ul>
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<ul><li><a href="https://www.nist.gov/publications/testbed-quantum-communication-and-quantum-networks">Quantum Network Testbed</a>: Developing metropolitan-scale quantum networks to enhance secure communications and information transmission over long distances. NIST’s regional testbed supports advancements in entanglement distribution and polarization control, ensuring the scalability of quantum networks.</li><li><a href="https://www.nist.gov/programs-projects/optical-networking-superconducting-quantum-computers-transduction-devices#:~:text=The%20team%20is%20designing%20and%20constructing%20a%20quantum,to%20be%20operational%20by%20the%20end%20of%202026.">Quantum Optical Channels for Remote Microwave Entanglement</a>: &nbsp;Innovative research in optical channels and microwave-optical transducers supports remote microwave entanglement, advancing the future of superconducting quantum computing.</li><li><a href="https://www.nist.gov/programs-projects/optical-two-way-time-frequency-transfer#:~:text=This%20project%20aims%20to%20develop%20techniques%20for%20precise,%28OTWTFT%29%20is%20being%20developed%20on%20the%20NIST%20campus">Optical Time Transfer for Quantum Networking</a>: By integrating optical clocks and time transfer technologies, researchers are revolutionizing quantum networking, enabling better synchronization over long distances and supporting satellite navigation, dark matter research, and geodesy.</li></ul>
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<h3> A Testbed for Quantum Communication and Quantum Networks
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<div class="text-with-summary"> Key Components of Quantum Repeaters and Quantum Network Systems Single Photon Sources: An ideal single photon entangled pair source for a quantum repeater application should satisfy several conditions simultaneously. Since photons must interact efficiently with a quantum memory, the source must emit
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<div class="text-with-summary"> Calibrated radio frequency (RF) electric field probes and antennas are currently limited by a complex, indirect traceability path and require a complex calibration – which presents a chicken-and-egg dilemma. Probes must be calibrated by placing them in a known electric field, while a precisely known
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<div class="text-with-summary"> The program's technical research areas are: Architecture research for Quantum Optical Networks and integration with classical networks Management (label, identify, track) and Control Plane (signal and route optical paths) Software Stacks Performance monitoring for end-to-end Quality of Entanglement
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