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AC Magnetic Field Sensing Using Continuous-Wave Optically Detected Magnetic Resonance of Nitrogen Vacancy Centers in Diamond
| Content Provider | Semantic Scholar |
|---|---|
| Author | Saijo, Soya Matsuzaki, Yuichiro Saito, Shiro Hanano, Ikuya Watanabe, Hideyuki Mizuochi, Norikazu Ishi-Hayase, Junko |
| Copyright Year | 2018 |
| Abstract | Nitrogen-vacancy (NV) centers in diamond are considered sensors for detecting magnetic fields. Pulsed optically detected magnetic resonance (ODMR) is typically used to detect AC magnetic fields; however, this technique can only be implemented after careful calibration that involves aligning an external static magnetic field, measuring continuous-wave (CW) ODMR, determining the Rabi frequency, and setting the microwave phase. In contrast, CW-ODMR can be simply implemented by continuous application of green CW laser and a microwave filed. In this letter, we report a method that uses NV centers and CW-ODMR to detect AC magnetic fields. Unlike conventional methods that use NV centers to detect AC magnetic fields, the proposed method requires neither a pulse sequence nor an externally applied DC magnetic field; this greatly simplifies the procedure and apparatus needed to implement this method. This method provides a sensitivity of 2.5 {\mu}T/Hz$^{1/2}$ at room temperature. Thus, this simple alternative to existing AC magnetic field sensors paves the way for a practical and feasible quantum sensor. |
| Starting Page | 082405 |
| Ending Page | 082405 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1063/1.5024401 |
| Alternate Webpage(s) | https://export.arxiv.org/pdf/1801.05865 |
| Alternate Webpage(s) | https://arxiv.org/pdf/1801.05865v1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1063/1.5024401 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
