Cavity-enhanced Raman emission from a single color center in a solid

Sun, Shuo and Zhang, Jingyuan Linda and Fischer, Kevin A. and Burek, Michael J. and Dory, Constantin and Lagoudakis, Konstantinos G. and Tzeng, Yan-Kai and Radulaski, Marina and Kelaita, Yousif and Safavi-Naeini, Amir and Shen, Zhi-Xun and Melosh, Nicholas A. and Chu, Steven and Lončar, Marko and Vučković, Jelena (2018) Cavity-enhanced Raman emission from a single color center in a solid. Physical Review Letters, 121 (8). 083601. ISSN 0031-9007

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    We demonstrate cavity-enhanced Raman emission from a single atomic defect in a solid. Our platform is a single silicon-vacancy center in diamond coupled with a monolithic diamond photonic crystal cavity. The cavity enables an unprecedented frequency tuning range of the Raman emission (100 GHz) that significantly exceeds the spectral inhomogeneity of silicon-vacancy centers in diamond nanostructures. We also show that the cavity selectively suppresses the phonon-induced spontaneous emission that degrades the efficiency of Raman photon generation. Our results pave the way towards photon-mediated many-body interactions between solid-state quantum emitters in a nanophotonic platform.