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학술지 Photo-Assisted Electrical Oscillationin in Two-Terminal Device based on Vanadium Dioxide Thin Film
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저자
서기완, 김봉준, 김현탁, 이용욱
발행일
201205
출처
IEEE/OSA Journal of Lightwave Technology, v.30 no.16, pp.2718-2724
ISSN
0733-8724
출판사
IEEE, OSA
DOI
https://dx.doi.org/10.1109/JLT.2012.2199466
협약과제
12ZF1100, Seed형 기술개발을 위한 창의형 연구사업, 박선희
초록
By adjusting an infrared laser power illuminated onto a vanadium dioxide (VO 2) thin film, we have demonstrated laser-assisted control of field-induced electrical oscillation in a planar junction device based on a VO 2 thin film. Before the illumination, the VO 2-based two-terminal device was arranged in the electrical circuit for creating the field-induced oscillation. With the increase of the illumination power, the oscillation could be initiated, and the oscillation frequency could be also continuously and fully tuned until the extinguishment of the oscillation through the variation of the light power. The tuning sensitivity and linearity of the oscillation frequency with respect to the illumination power were evaluated as ~7.732 MHz/W and ~ 0.9903 (an R -squared value of a linear fit), respectively. © 1983-2012 IEEE.
키워드
Laser excitation, optical fiber applications, oscillators, photothyristors, thin film devices, vanadium
KSP 제안 키워드
Assisted control, Electrical oscillation, Field-induced, Infrared laser, Laser excitation, Laser-assisted, Oscillation Frequency, Photo-assisted, Planar junction, Two-terminal device, VO 2