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Emerging quantum information technologies require a source that emits single photons at predetermined times under electrical pumping. Color centers in diamond attract considerable attention as a room-temperature single-photon source. However, their electroluminescence has been shown only in steady-state and not on-demand. Here, we show how to control the single-photon electroluminescence (SPEL) of SiV centers in a proposed diamond diode and switch SiV center SPEL rate from 2 cps to 1 Mcps and vice versa in less than 3 ns. Our findings bring closer on-demand electrically-driven single-photon sources operating at room temperature.
Igor A. Khramtsov andDmitry Y. Fedyanin
"Towards efficient electrical triggering of single-photon emission from SiV centers in diamond", Proc. SPIE 11680, Physics and Simulation of Optoelectronic Devices XXIX, 116800Z (5 March 2021); https://doi.org/10.1117/12.2578706
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Igor A. Khramtsov, Dmitry Y. Fedyanin, "Towards efficient electrical triggering of single-photon emission from SiV centers in diamond," Proc. SPIE 11680, Physics and Simulation of Optoelectronic Devices XXIX, 116800Z (5 March 2021); https://doi.org/10.1117/12.2578706