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

2019/07/29 by Nelz, Richard, Radtke, Mariusz, Slablab, Abdallah +6 · 1 citation
#Applied Physics (physics.app-ph) #FOS: Physical sciences #Materials Science (cond-mat.mtrl-sci) #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.1907.12248

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 Förster resonance energy transfer (FRET) between shallow defects in diamond --- nitrogen-vacancy (NV) centers --- and atomically-thin, two-dimensional materials --- tungsten diselenide (WSe₂). By means of fluorescence lifetime imaging, we demonstrate the occurrence of FRET in the WSe₂/NV system. Further, we show that in the coupled system, NV centers provide an additional excitation pathway for WSe₂ 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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• Influence of Platinum Thin Films on the Photophysical and Quantum Properties of Near-Surface NV Centers

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