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In-guide pump and probe characterization of photoinduced absorption in hydrogenated amorphous silicon thin films
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10.1063/1.2219900
/content/aip/journal/jap/100/3/10.1063/1.2219900
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/3/10.1063/1.2219900

Figures

Image of FIG. 1.
FIG. 1.

Structure of the waveguide used for tests. The configuration between pump and probe beams with respect to the sample is schematized.

Image of FIG. 2.
FIG. 2.

Modulation depth measurements on the waveguide vs the pump illumination intensity at each pump wavelength. The straight lines are guides for the eye.

Image of FIG. 3.
FIG. 3.

Surface photoinduced absorption of the film vs the pump illumination intensity obtained by fitting the experimental data to the simulation of the waveguide propagation. The error bars in the abscissa reflect the 10% error on . The straight lines are guides for the eye.

Image of FIG. 4.
FIG. 4.

Surface photoinduced absorption of the film vs photon absorption rate at the surface.

Tables

Generic image for table
Table I.

Optical data, thickness and Tauc gap for the film used as waveguide core in the experiment. Quantities , , and were spectrophotometer data, while and at were measured through a single wavelength multiangle ellipsometer.

Generic image for table
Table II.

Results of linear best fits performed for each pump wavelength on the photoinduced absorption data vs the absorbed photon rate per unit volume at the surface according to Eq. (9).

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/content/aip/journal/jap/100/3/10.1063/1.2219900
2006-08-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: In-guide pump and probe characterization of photoinduced absorption in hydrogenated amorphous silicon thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/3/10.1063/1.2219900
10.1063/1.2219900
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