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Capture and release of photonic images in a quantum well
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10.1063/1.1830676
/content/aip/journal/apl/85/24/10.1063/1.1830676
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/24/10.1063/1.1830676
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sketch of the device structure, also in top (center) and lateral view (bottom). The shape of the optical pixel is also indicated (picture not to scale).

Image of FIG. 2.
FIG. 2.

Photonic imaging: stored optical pattern (top) and readout luminescence of a device without (a—bottom left), and with (a—bottom right), layer. In the left picture of (a), any spatial information is lost due to carrier diffusion along the electrodes, the luminescence is smeared out over the entire device. In the right part of (a), the spatial information is conserved by inhibiting carrier diffusion. In (b), the high image quality is demonstrated, using a photograph of a human face (left: PL during writing the image, right: delayed PL. Note that the illuminated area outside the pixel field while writing is not conserved in the readout picture.).

Image of FIG. 3.
FIG. 3.

Screening out the potential modulation of the interface states by photogenerated carriers: the given potential modulation induced by the electrodes is stronger than the potential modulation due to the surface states. The stored image of the round laser spot broadens along the electrodes.

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/content/aip/journal/apl/85/24/10.1063/1.1830676
2004-12-09
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Capture and release of photonic images in a quantum well
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/24/10.1063/1.1830676
10.1063/1.1830676
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