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Ultra-low-frequency self-oscillation of photocurrent in multiple-quantum-well diodes
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10.1063/1.1806268
/content/aip/journal/apl/85/16/10.1063/1.1806268
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/16/10.1063/1.1806268
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

PC spectra of the MQW sample measured at under different bias voltages of , , , , and . The notation indicates the heavy-hole (light-hole) exciton transition between th electron and th heavy-hole (light-hole) subbands. The base lines of the PC spectra are vertically shifted for clarity.

Image of FIG. 2.
FIG. 2.

PC spectra of the MQW sample measured at 20, 40, 60, and under a fixed bias voltage of . The base lines of the PC spectra are vertically shifted for clarity.

Image of FIG. 3.
FIG. 3.

(a) PC intensity of the MQW sample as a function of time measured at under the bias voltage of . The illumination wavelength is and the maximum power is about . The illumination power is instantaneously changed at 180 and . The PC intensity is temporally oscillating with a characteristic frequency that depends on the illumination power. (b) Close-up of the region I, where the illumination power is maximum . (c) Close-up of the region II, where the illumination power is reduced to 50%.

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/content/aip/journal/apl/85/16/10.1063/1.1806268
2004-10-22
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultra-low-frequency self-oscillation of photocurrent in InxGa1−xAs∕Al0.15Ga0.85As multiple-quantum-well p–i–n diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/16/10.1063/1.1806268
10.1063/1.1806268
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