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Voltage-driven, local, and efficient excitation of nitrogen-vacancy centers in diamond.


ABSTRACT: Magnetic sensing technology has found widespread application in a diverse set of industries including transportation, medicine, and resource exploration. These uses often require highly sensitive instruments to measure the extremely small magnetic fields involved, relying on difficult-to-integrate superconducting quantum interference devices and spin-exchange relaxation-free magnetometers. A potential alternative, nitrogen-vacancy (NV) centers in diamond, has shown great potential as a high-sensitivity and high-resolution magnetic sensor capable of operating in an unshielded, room-temperature environment. Transitioning NV center-based sensors into practical devices, however, is impeded by the need for high-power radio frequency (RF) excitation to manipulate them. We report an advance that combines two different physical phenomena to enable a highly efficient excitation of the NV centers: magnetoelastic drive of ferromagnetic resonance and NV-magnon coupling. Our work demonstrates a new pathway that combine acoustics and magnonics that enables highly energy-efficient and local excitation of NV centers without the need for any external RF excitation and, thus, could lead to completely integrated, on-chip, atomic sensors.

SUBMITTER: Labanowski D 

PROVIDER: S-EPMC6128675 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Voltage-driven, local, and efficient excitation of nitrogen-vacancy centers in diamond.

Labanowski Dominic D   Bhallamudi Vidya Praveen VP   Guo Qiaochu Q   Purser Carola M CM   McCullian Brendan A BA   Hammel P Chris PC   Salahuddin Sayeef S  

Science advances 20180907 9


Magnetic sensing technology has found widespread application in a diverse set of industries including transportation, medicine, and resource exploration. These uses often require highly sensitive instruments to measure the extremely small magnetic fields involved, relying on difficult-to-integrate superconducting quantum interference devices and spin-exchange relaxation-free magnetometers. A potential alternative, nitrogen-vacancy (NV) centers in diamond, has shown great potential as a high-sens  ...[more]

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