GB/T 43735-2024 in English
VALIDMethods for the preparation of Rydberg atoms for quantum precision measurement
- Issued on:2024-03-15
- Implemented on:2024-10-01
- File Format:PDF
- Delivery:Within 1 day
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《GB/T 43735-2024量子精密测量中里德堡原子制备方法》由TC578(全国量子计算与测量标准化技术委员会)归口,主管部门为国家标准化管理委员会。
Introduction
1. Standard Overview
The National Standard of the People's Republic of China GB/T 43735-2024 "Preparation Method of Rydberg Atoms in Quantum Precision Measurement" was issued in 2024 and approved by the State Administration for Market Regulation and the National Administration of Standardization. This standard mainly regulates the preparation method of Rydberg atoms and is applicable to fields such as quantum precision measurement.
2. Preparation Principle
The preparation of Rydberg atoms involves exciting atoms from the ground state to the Rydberg state. Commonly used excitation methods include single-photon absorption, two-photon absorption and three-photon absorption, and their energy level transition selection rules follow: Δl=±1, ΔJ=±1, Δm=0 or ±1.
| Excitation method | Number of lasers required | Typical wavelength range | Power requirement |
|---|---|---|---|
| Single-photon absorption | 1 laser | 297±5 nm or 319±5 nm | ≥1 mW |
| Two-photon absorption | 2 lasers | 780 nm and 483-513 nm | ≥10 μW and 30 mW |
| Three-photon absorption | 3 units | 785±15 nm, 1425±75 nm and 1375±125 nm | ≥10 μW, ≥50 mW and ≥10 μW |
3. Preparation steps
The preparation steps of Rydberg atoms include determining the type of atoms, calculating the required laser frequency and locking it, adjusting the parameters such as power and polarization state, and finally focusing the laser beam on the ground state atoms to complete the excitation.
4. Preparation effectiveness test
The effectiveness of Rydberg atom preparation is evaluated by the following indicators: atomic number, density, optical thickness and fidelity. Commonly used detection methods include absorption spectroscopy, fluorescence detection and field ionization detection.
5. Implementation Suggestions
In practical applications, it is recommended to select appropriate preparation methods and laser configurations according to specific experimental requirements. At the same time, ensure that the laboratory environmental conditions meet standard requirements, including temperature, humidity and cleanliness.

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