Broadband, large-area microwave antenna for optically-detected magnetic resonance of nitrogen-vacancy centers in diamond

Abstract

We report on a microwave planar ring antenna specifically designed for optically-detected magnetic resonance (ODMR) of nitrogen-vacancy (NV) centers in diamond. It has the resonance frequency at around 2.87 GHz with the bandwidth of 400 MHz, ensuring that ODMR can be observed under external magnetic fields up to 100 G without the need of adjustment of the resonance frequency. It is also spatially uniform within the 1-mm-diameter center hole, enabling the magnetic-field imaging in the wide spatial range. These features facilitate the experiments on quantum sensing and imaging using NV centers at room temperature.

6 pages, 6 figures, to appear in Review of Scientific Instruments

References in corpus (14)

• High-sensitivity diamond magnetometer with nanoscale resolution
• Nanometer scale quantum thermometry in a living cell
• Sensing electric fields using single diamond spins
• Solid-state electronic spin coherence time approaching one second
• High precision nano scale temperature sensing using single defects in diamond
• Temperature dependence of the nitrogen-vacancy magnetic resonance in diamond
• High nitrogen-vacancy density diamonds for magnetometry applications
• Scanning magnetic field microscope with a diamond single-spin sensor
• Fluorescence thermometry enhanced by the quantum coherence of single spins in diamond
• Coherence of Nitrogen-Vacancy Electronic Spin Ensembles in Diamond
• Magnetic field imaging with NV ensembles
• Vector magnetic field microscopy using nitrogen vacancy centers in diamond
• Magnetic imaging with an ensemble of Nitrogen Vacancy centers in diamond
• Spin Microscope Based on Optically Detected Magnetic Resonance

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