Abstract
The quest for the room-temperature optical transistor based on nonlinearities in single atoms or molecules is attracting a lot of attention. In this work, a single-photon emitter in cubic silicon carbide is verified that can operate as an optical switch at room temperature under pulsed green laser illumination with a near-infrared pulsed laser as the control gate. We demonstrated an ultrafast and reversible optical modulation with a high photoluminescence intensity suppression ratio up to 97.9% and a response time as short as 287.9±5.7 ps . The current development provides insights for high-precision and ultrafast optical switches, with possibilities for integration with emerging electronic installations to realize more intelligent photoelectric integrated devices.
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