OPTICS & OPTOELECTRONIC TECHNOLOGY, Volume. 22, Issue 5, 71(2024)

Centimeter-Wave Electric Field Measurement Based on the Rydberg Atom

SUN Ren-ping, SONG Hong-wei, TIAN Chuan, and WANG Chen-sheng
Author Affiliations
  • Huazhong Institute of Electro-Optics —Wuhan National Laboratory for Optoelectronics,Wuhan 430223,China
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    The Rydberg atom has a wide frequency band and highly sensitive microwave reception capability. The microwave electric field measurement technology developes based on the electromagnetic induced transparency effect of Rydberg atom has become a hot technology at the forefront of electromagnetic wave electric field measurement. Different from the research frequency band(<10 GHz)of most experimental works,this paper explores the ability of the Rydberg atom to receive centimeter waves. In our experiment,three different microwave resonance frequencies are measured,and the intensities of electric fields are calibrated by microwave coupling Rydberg-states induce AT splitting,and the sensitivity and resolution are detected amplitude modulation scheme. According to the Allan variance curve calculated by continuous acquisition,the measurement sensitivity of better than 50 nV·cm-1/Hzand the field strength resolution better than 20 nV ⋅ cm-1 are evaluated. This work strengthens the further understanding of the detection capability of Rydberg atom in the full microwave band,and provides an important reference for the application of Rydberg atom in high-frequency microwave.

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    SUN Ren-ping, SONG Hong-wei, TIAN Chuan, WANG Chen-sheng. Centimeter-Wave Electric Field Measurement Based on the Rydberg Atom[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2024, 22(5): 71

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    Paper Information

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    Received: May. 10, 2024

    Accepted: Jan. 21, 2025

    Published Online: Jan. 21, 2025

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    DOI:

    CSTR:32186.14.

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