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18 September 2018 Ultra-compact metallic interface for NV spin readout (Conference Presentation)
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The spin-optical properties of nitrogen-vacancy (NV) centers in diamond have been demonstrated to enable a plethora of applications ranging from nanoscale sensing to quantum information technologies. The conventional design of NV-based devices requires separate infrastructures for delivering microwave (MW) excitation and guiding/collecting fluorescence signals. Typically, one fabricates dielectric waveguides or lenses next to metallic MW antennae. Here we showed that the device compactness can be substantially improved by the integration of NV centers with channel plasmonic waveguides milled in an optically thick metal layer that simultaneously acts as a MW antenna. The use of highly conductive plasmonic materials allows to fabricate monolithic ultra-compact structures supporting propagation of both MW and optical signals. We demonstrated optical readout of spin resonance by collecting channel plasmon polaritons scattered from the waveguide end.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mikhail Y. Shalaginov, Simeon Bogdanov, Alexei Lagutchev, Alexander V. Kildishev, Alexandra Boltasseva, and Vladimir M. Shalaev "Ultra-compact metallic interface for NV spin readout (Conference Presentation)", Proc. SPIE 10734, Quantum Nanophotonics 2018, 107340L (18 September 2018);

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