Adjoint-optimized nanoscale light extractor for enhanced luminescence from color centers in diamond

Raymond Wambold,Zhaoning Yu,Yuzhe Xiao,Benjamin F. Bachman,Gabriel R. Jaffe,Shimon Kolkowitz,Jennifer T. Choy,Mark A. Eriksson,Robert J. Hamers,Mikhail A. Kats

2020 IEEE Research and Applications of Photonics in Defense Conference (RAPID)（2020）

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摘要

Nitrogen-vacancy centers in diamond are emitters that function as sensors of electric and magnetic fields, temperature, and strain. Diamond's high refractive index limits emitted light, reducing NV-based sensor performance. We demonstrate an easily-fabricable adjoint-optimized extractor that improves output from NV centers by 50-fold.

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关键词

electric field sensors,magnetic field sensors,adjoint-optimized nanoscale light extractor,enhanced luminescence,color centers,nitrogen-vacancy centers,high refractive index,temperature sensor,strain sensor,NV-based sensor performance,C:N

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