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A monolithic immersion metalens for imaging solid-state quantum emitters

https://doi.org/10.1038/s41467-019-10238-5

Huang, Tzu-Yung; Grote, Richard R.; Mann, Sander A.; Hopper, David A.; Exarhos, Annemarie L.; Lopez, Gerald G.; Klein, Amelia R.; Garnett, Erik C.; Bassett, Lee C. (June 2019, Nature Communications)

Abstract Quantum emitters such as the diamond nitrogen-vacancy (NV) center are the basis for a wide range of quantum technologies. However, refraction and reflections at material interfaces impede photon collection, and the emitters’ atomic scale necessitates the use of free space optical measurement setups that prevent packaging of quantum devices. To overcome these limitations, we design and fabricate a metasurface composed of nanoscale diamond pillars that acts as an immersion lens to collect and collimate the emission of an individual NV center. The metalens exhibits a numerical aperture greater than 1.0, enabling efficient fiber-coupling of quantum emitters. This flexible design will lead to the miniaturization of quantum devices in a wide range of host materials and the development of metasurfaces that shape single-photon emission for coupling to optical cavities or route photons based on their quantum state.
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An Integrated Reconfigurable Spin Control System on 180 nm CMOS for Diamond NV Centers

https://doi.org/10.1109/TMTT.2023.3254600

Omirzakhov, Kaisarbek; Idjadi, Mohamad Hossein; Huang, Tzu-Yung; Breitweiser, S. Alex; Hopper, David A.; Bassett, Lee C.; Aflatouni, Firooz (March 2023, IEEE Transactions on Microwave Theory and Techniques)

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An Integrated Quantum Spin Control System in 180nm CMOS

https://doi.org/10.1109/RFIC54546.2022.9863137

Omirzakhov, Kaisarbek; Idjadi, Mohamad Hossein; Huang, Tzu-Yung; Breitweiser, S. Alexander; Hopper, David A.; Bassett, Lee C.; Aflatouni, Firooz (January 2022, 2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC))

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Real-Time Charge Initialization of Diamond Nitrogen-Vacancy Centers for Enhanced Spin Readout

https://doi.org/10.1103/PhysRevApplied.13.024016

Hopper, David A.; Lauigan, Joseph D.; Huang, Tzu-Yung; Bassett, Lee C. (February 2020, Physical Review Applied)
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