A Polarization System of Diamond Color Core Nuclei

A polarization system, diamond technology, applied in particle polarization measurement and other directions, can solve the problems of large volume, high cost, low nuclear polarization rate of dual resonance system, and achieve good robustness, fast reaction rate, and extended regression. The effect of coherence time

Active Publication Date: 2021-04-09
BEIHANG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

The ESLAC polarization system is large in size and high in cost, and the double resonance system has low nucleon polarizability

Method used

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  • A Polarization System of Diamond Color Core Nuclei
  • A Polarization System of Diamond Color Core Nuclei
  • A Polarization System of Diamond Color Core Nuclei

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Embodiment Construction

[0021] In order to express the technical solutions and advantages of the embodiments of the present invention more clearly, the technical solutions of the present invention will be further described in detail below with reference to the drawings and embodiments.

[0022] figure 1 A schematic diagram of the basic structure of a diamond color center nucleon polarization system provided for an embodiment of the present invention, the necessary technical core of the system includes: a diamond sample 101, an optical control system 105, a microwave control system 104, a magnetic field control system 103, control and Data Acquisition System 102 . in,

[0023] The diamond sample 101 is processed by a special process and fixed on the platform by a fixing device;

[0024] The optical control system 105 takes the diamond sample as the core, and is arranged before and after the sample, guides the modulated laser light into the sample and collects the fluorescent signal generated after i...

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Abstract

The invention discloses a polarization system of diamond color center nuclei. The system includes an optical control system, a microwave control system, a magnetic field control system, and a control and data acquisition system. Among them, the optical control system, the microwave control system and the magnetic field control system are independent of each other, and are connected through the control and data acquisition system and related components to form a diamond color center nuclear polarization system. Through the method of laser, microwave, magnetic field, and radio frequency multi-physics acting on the diamond according to the design sequence, the interaction between the diamond color center and its surrounding nuclei can be weakened with high sensitivity and speed, so that the high polarization efficiency of the nucleon can be realized, and the decoherence for quantum measurement can be improved. Time provides support for technologies such as quantum computing, quantum sensing, and quantum transmission based on diamond color centers.

Description

technical field [0001] The invention relates to the technical fields of quantum calculation and quantum precision measurement, in particular to a polarization system of diamond color center nuclei. Background technique [0002] The nuclear polarization of diamond color centers is the basis of quantum precision measurement using diamond color centers. In high-concentration diamond materials, the diamond color center and a large number of 13 C atom and NV 0 ,P 1 and other color centers have chaotic coupling phenomena. The existing diamond color center core spin polarization system mainly includes a color center excited state energy level anti-crossing (ESLAC) polarization system under a 500 Gauss high magnetic field state, and a double resonant pole controlled by a microwave radio frequency resonance field and a bias magnetic field. system. The ESLAC polarization system is large in size and high in cost, and the double resonance system has low nucleon polarizability. Co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/32
CPCG01T1/32
Inventor 袁珩范鹏程张冀星卞国栋李瑞媛
Owner BEIHANG UNIV
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