Science

Counting magnetic flux quanta offers new way to measure photon numbers

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Briefings

AIST researchers directly observed magnetic flux quanta generated in a superconductor upon photon absorption, establishing a new principle to detect photon numbers by counting these flux quanta. This method provides a novel approach to measuring photon counts in superconducting systems.

Key points

• AIST researchers directly observed magnetic flux quanta generated in a superconductor by photon absorption.
• The new principle identifies photon numbers based on the count of these specific flux quanta.

Context

This breakthrough offers a new method for measuring photon numbers in superconductors, leveraging the direct observation of magnetic flux quanta generated during photon absorption events.

Limitations

The evidence is limited to a single observation of flux quanta generation in a superconductor; no quantitative data, dates, or specific experimental conditions are provided.

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