Spin-manipulated nanoscopy for single nitrogen-vacancy center localizations in nanodiamonds

• 来源期刊: 光：科学与应用（英文版）
• 关键词: nanodiamonds nanoscale microscopy nitrogen-vacancy color centers optically detected magnetic resonance
• 年，卷（期）: 2017,（4）
• 页码范围: 131-137
• 页数: 7页
• 语种: 英文
• DOI: 10.1038/lsa.2017.85

摘要

Due to their exceptional optical and magnetic properties,negatively charged nitrogen-vacancy (NV-) centers in nanodiamonds (NDs) have been identified as an indispensable tool for imaging,sensing and quantum bit manipulation.The investigation of the emission behaviors of single NV-centers at the nanoscale is of paramount importance and underpins their use in applications ranging from quantum computation to super-resolution imaging.Here,we report on a spin-manipulated nanoscopy method for nanoscale resolutions of the collectively blinking NV-centers confined within the diffraction-limited region.Using wide-field localization microscopy combined with nanoscale spin manipulation and the assistance of a microwave source tuned to the optically detected magnetic resonance (ODMR) frequency,we discovered that two collectively blinking NV-centers can be resolved.Furthermore,when the collective emitters possess the same ground state spin transition frequency,the proposed method allows the resolving of each single NV-center via an external magnetic field used to split the resonant dips.In spin manipulation,the three-level blinking dynamics provide the means to resolve two NV-centers separated by distances of 23 nm.The method presented here offers a new platform for studying and imaging spin-related quantum interactions at the nanoscale with superresolution techniques.