Abstract
By incorporating a near-infrared laser diode, we demonstrated optically-regulated current switching of up to 15 mA in a two-terminal device based on vanadium dioxide (VO2) thin film. The fabricated device was stimulated by a focused laser beam showing bidirectional current switching according to the switched state of the laser diode. The transient responses of optically-regulated currents were also investigated when laser pulses excited the device at a variety of repetition rates. A switching contrast between off- and on-state currents was calculated as ~5338, and rising and falling times were measured as ~20 and ~30 ms, respectively.
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Acknowledgments
This research was supported by a grant from Marine Biotechnology Program (20150220) funded by Ministry of Oceans and Fisheries, Korea.
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Kim, J. et al. (2017). Optically-Regulated Current Switching Device Based on Vanadium Dioxide Thin Film Using Near-Infrared Laser Diode. In: Duy, V., Dao, T., Kim, S., Tien, N., Zelinka, I. (eds) AETA 2016: Recent Advances in Electrical Engineering and Related Sciences. AETA 2016. Lecture Notes in Electrical Engineering, vol 415. Springer, Cham. https://doi.org/10.1007/978-3-319-50904-4_39
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DOI: https://doi.org/10.1007/978-3-319-50904-4_39
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