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High power subterahertz electromagnetic wave radiation from GaN photoconductive switch
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10.1063/1.2771528
/content/aip/journal/apl/91/7/10.1063/1.2771528
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2771528
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the structure of C-doped GaN based LA-PCSW.

Image of FIG. 2.
FIG. 2.

Bias voltage dependence of dark current and photocurrent ( pulsed laser with ) for C-doped GaN based LA-PCSW.

Image of FIG. 3.
FIG. 3.

Bias voltage dependence of square root of the radiation energy under pump energy of /pulse. The repetition rate pulse chopped with a rate giving rise to a pair of pulses in a window is clearly observed.

Image of FIG. 4.
FIG. 4.

Pump power dependence of the radiation energy under bias voltage . Solid curve is the theoretical curve fitted to the data for GaN LA-PCSW.

Image of FIG. 5.
FIG. 5.

Fourier-transformed amplitude spectrum of terahertz radiation pulse generated by GaN LA-PCSW. The inset is the amplitude of the measured terahertz pulse signal.

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/content/aip/journal/apl/91/7/10.1063/1.2771528
2007-08-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High power subterahertz electromagnetic wave radiation from GaN photoconductive switch
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2771528
10.1063/1.2771528
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