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arXiv · 1907.12248

Near-field energy transfer between a luminescent 2D material and color centers in diamond

Richard Nelz·Mariusz Radtke·Abdallah Slablab·Mehran Kianinia·Chi Li·Zai-Quan Xu·Carlo Bradac·Igor Aharonovich·Elke Neu
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Abstract

Energy transfer between fluorescent probes lies at the heart of many applications ranging from bio-sensing and -imaging to enhanced photo-detection and light harvesting. In this work, we study F\"orster resonance energy transfer (FRET) between shallow defects in diamond --- nitrogen-vacancy (NV) centers --- and atomically-thin, two-dimensional materials --- tungsten diselenide (WSe$_2$). By means of fluorescence lifetime imaging, we demonstrate the occurrence of FRET in the WSe$_2$/NV system. Further, we show that in the coupled system, NV centers provide an additional excitation pathway for WSe$_2$ photoluminescence. Our results constitute the first step towards the realization of hybrid quantum systems involving single-crystal diamond and two-dimensional materials that may lead to new strategies for studying and controlling spin transfer phenomena and spin valley physics.

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Richard Nelz, Mariusz Radtke, Abdallah Slablab, Mehran Kianinia, Chi Li, Zai-Quan Xu, Carlo Bradac, Igor Aharonovich, Elke Neu. 2019-07-29. Near-field energy transfer between a luminescent 2D material and color centers in diamond. https://arxiv.org/abs/1907.12248

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