Sensitive detection of millimeter wave electric field by driving trapped surface-state electrons

• URL: http://arxiv.org/abs/2304.05154v1
• Date: Tue, 11 Apr 2023 11:43:58 GMT
• Title: Sensitive detection of millimeter wave electric field by driving trapped 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 propose a quantum sensor to sensitively detect the electric field of the millimeter (mm) wave. The quantum sensor consists of many surface-state electrons trapped individually on liquid helium. The electric field of the applied mm wave could be detected sensitively by using the spin-echo interferometry of the long-lived spin states of the electrons trapped on liquid helium.
• Score: 16.155892979947115
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Sensitive detection of electromagnetic wave electric field plays an important role for electromagnetic communication and sensing. Here, we propose a quantum sensor to sensitively detect the electric field of the millimeter (mm) wave. The quantum sensor consists of many surface-state electrons trapped individually on liquid helium by a scalable electrode-network at the bottom of the helium film. On such a chip, each of the trapped electrons can be manipulated by the biased dc-current to deliver the strong spin-orbit couplings. The mm wave signal to be detected is applied to non-dispersively drive the orbital states of the trapped electrons, just resulting in the Stark shifts of the dressed spin-orbital states. As a consequence, the electric field of the applied mm wave could be detected sensitively by using the spin-echo interferometry of the long-lived spin states of the electrons trapped on liquid helium. The reasonable accuracy of the detection and also the feasibility of the proposal are discussed.

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