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Polarization system of diamond color center nucleuses

A polarization system and diamond technology, applied in the fields of quantum precision measurement and quantum computing, can solve the problems of high cost, large volume, and low nuclear polarizability of double resonance systems, and achieve fast response rate, good robustness, and extended Effect of decoherence time

Active Publication Date: 2018-08-17
BEIHANG UNIV
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  • Application Information

AI Technical Summary

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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  • Polarization system of diamond color center nucleuses
  • Polarization system of diamond color center nucleuses
  • Polarization system of diamond color center nucleuses

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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 in...

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Abstract

The invention discloses the polarization system of diamond color center nucleuses. The system comprises an optical control system, a microwave control system, a magnetic field control system and a control and data acquisition system. The optical control system, the microwave control system and the magnetic field control system are independent and are connected through the control and data acquisition system and a correlation component so as to form a diamond color center nucleus polarization system. Through the method of using a laser, a microwave, a magnetic field and a radio-frequency multi-physics field to act on a diamond according to a design sequence, interaction between a diamond color center and surrounding nucleuses can be high-sensitively and rapidly reduced, the high polarization efficiency of the nucleuses can be realized, de-coherence time used for quantum measurement can be prolonged, and support is provided for the technologies of quantum calculating, quantum sensing, quantum transmission and the like based on the diamond color center.

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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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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