| 芯片相干布居囚禁原子钟 |
| Chip⁃scale coherent population trapping atomic clock |
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| 中文摘要: |
| 对基于相干布居囚禁（CPT）态原子的芯片级原子钟技术进行了综述，包括CPT原子钟的基本原理、Ramsey?CPT原子钟技术、CPT原子钟的微小型化方案、CPT芯片原子钟的发展等，对其中的关键技术：激光频率调制、Ramsey技术、左右旋圆偏振光泵浦（push?pull）、激光和微波稳频以及微光机电加工系统（MOEMS）等技术进行分析讨论，最终总结出CPT原子钟向着低功耗、芯片化和时钟精度高的方向发展。 |
| 英文摘要: |
| The chip?scale atomic clock technology based on coherent population trapping (CPT) atoms is reviewed, including the basic principle of CPT atomic clock, Ramsey?CPT atomic clock technology, schemes of CPT atomic clock suitable for miniaturization, and the development and current status of the chip?scale CPT atomic clock. The key technologies， such as laser frequency modulation, Ramsey technology, left and right circularly polarized light pumping (push?pull), laser and microwave frequency stabilization, and micro optical?electro?mechanical system (MOEMS), are analyzed and discussed. Finally, it is concluded that the CPT atomic clock is developing in the direction of low power consumption, chip?based and high clock precision. |
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| 中文关键词: 微波原子钟 相干布居囚禁 电磁感应透明 微光机电加工 |
| 英文关键词:microwave atomic clock coherent population trapping electromagnetically induced transparency micro optical⁃electro⁃mechanical system |
| 基金项目: |
| DOI：10.11823/j.issn.1674-5795.2023.03.05 |
| 引用本文：陈杰华.芯片相干布居囚禁原子钟[J].计测技术,2023,(3):. |
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