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Creators/Authors contains: "Bachman, Benjamin"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Langmuir)
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  2. ; ; ; ; ; ; ; ; ; (, Nanophotonics)
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    Abstract We designed a nanoscale light extractor (NLE) for the efficient outcoupling and beaming of broadband light emitted by shallow, negatively charged nitrogen-vacancy (NV) centers in bulk diamond. The NLE consists of a patterned silicon layer on diamond and requires no etching of the diamond surface. Our design process is based on adjoint optimization using broadband time-domain simulations and yields structures that are inherently robust to positioning and fabrication errors. Our NLE functions like a transmission antenna for the NV center, enhancing the optical power extracted from an NV center positioned 10 nm below the diamond surface by a factor of more than 35, and beaming the light into a ±30° cone in the far field. This approach to light extraction can be readily adapted to other solid-state color centers. 
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  3. ; ; ; ; (, ACS Measurement Science Au)