Quantum detection of millimeter wave electric fields with driving surface-state electrons

• URL: http://arxiv.org/abs/2304.05154v2
• Date: Tue, 11 Mar 2025 02:29:05 GMT
• Title: Quantum detection of millimeter wave electric fields with driving surface-state electrons
• Authors: Miao Zhang, Y. F. Wang, X. Y. Peng, X. N. Feng, S. R. He, Y. F. Li, L. F. Wei,
• Abstract summary: We introduce a spin-based receiver to sensitively detect the electric fields of millimeter (mm) waves by using quantum interferometric approach.<n>The proposed quantum sensor consists of many surface-state electrons trapped individually on liquid helium by an electrode-network at the bottom of the liquid helium film.
• Score: 11.325629487132307
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce a spin-based receiver to sensitively detect the electric fields of millimeter (mm) waves by using quantum interferometric approach. The proposed quantum sensor consists of many surface-state electrons trapped individually on liquid helium by an electrode-network at the bottom of the liquid helium film. A dc-current in this chip is biased to generate a strong spin-orbit coupling of each of the trapped electrons. The mm wave signals are conducted to non-dissipatedly drive the orbital motions of the trapped electrons and result in the Stark shifts of the spin-orbit dressed states of the electrons. As a consequence, the electric fields of the conducted mm waves could be detected sensitively by using the Hahn echo interferometry with the long-lived spin states of the electrons trapped on liquid helium.

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