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Related Experiment Video

Updated: Nov 17, 2025

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

Floquet maser.

Min Jiang^1,2,3, Haowen Su^1,2,3, Ze Wu^1,2,3

¹Hefei National Laboratory for Physical Sciences at the Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China.

Science Advances

|February 18, 2021

Summary

This summary is machine-generated.

Researchers developed a novel multimode maser in periodically driven Xenon gas. This breakthrough enables exploration of quantum phenomena and highly sensitive magnetic field detection for applications like dark matter searches.

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Last Updated: Nov 17, 2025

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

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Published on: May 5, 2016

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Published on: May 9, 2018

Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging

Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging

Published on: April 28, 2022

Area of Science:

Quantum Physics
Atomic, Molecular, and Optical Physics
Condensed Matter Physics

Background:

Masers, like lasers and atomic clocks, are revolutionary technologies.
Masers are limited, and their physics in periodically driven (Floquet) systems is unexplored.
Floquet systems, defined by time-periodic Hamiltonians, enable exotic phenomena like time crystals.

Purpose of the Study:

To investigate maser physics in periodically driven (Floquet) systems.
To explore the potential of masers in probing Floquet phenomena.
To develop a new class of maser sensors for sensitive measurements.

Main Methods:

Investigated a Floquet system of periodically driven ¹²⁹Xe gas.
Applied damping feedback to the system.
Observed maser oscillations at frequencies of transitions between Floquet states.

Main Results:

Successfully realized a multimode maser in a Floquet system.
Observed maser oscillations at unique frequencies related to Floquet states.
Demonstrated subpicotesla-level sensitivity for low-frequency magnetic field measurements (1-100 mHz).

Conclusions:

Extended maser techniques to Floquet systems, opening new research avenues.
Enabled probing of Floquet phenomena without decoherence.
Developed a maser sensor with sensitivity surpassing state-of-the-art magnetometers for applications including ultralight dark matter searches.