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Increased photocurrent in quantum dot infrared photodetector by subwavelength hole array in metal thin film
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10.1063/1.3449117
/content/aip/journal/apl/96/23/10.1063/1.3449117
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/23/10.1063/1.3449117
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Transmission coefficient of the optical grating. Inset: schematic geometric grating structure. Plasmon modes are labeled, “a-m” and “m-s” denote air-metal and metal-semiconductor interfaces. From low to high transmission curves: , 1200, and 1600 nm. The curve at about 0.7 denotes the case without any metal film.

Image of FIG. 2.
FIG. 2.

Temporal developments and spatial distributions of (a) and (b) . Inset in (a) shows in the absence of a metal film in which case the field is always zero.

Image of FIG. 3.
FIG. 3.

Time integrated distributions of (a) and (b) in the semiconductor. Note that the and is zero in the no-film case. The ordering of the curves is the same as that in Fig. 1.

Image of FIG. 4.
FIG. 4.

Photocurrent density spectra of the five grating structures under investigation. Red dashed lines correspond to the no-film case, . (a) ; (b) ; and (c) with excluded, showing that the contribution is large.

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/content/aip/journal/apl/96/23/10.1063/1.3449117
2010-06-09
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Increased photocurrent in quantum dot infrared photodetector by subwavelength hole array in metal thin film
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/23/10.1063/1.3449117
10.1063/1.3449117
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