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Enhanced photoluminescence from germanium-based ring resonators
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10.1063/1.2950087
/content/aip/journal/apl/93/4/10.1063/1.2950087
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/4/10.1063/1.2950087
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscopy of a straight waveguide cross section.

Image of FIG. 2.
FIG. 2.

Plot of peak positions against ring radius. Inset: Area-normalized PL spectra (spectra are offsetted for clarity) for rings with radii from and for a straight waveguide.

Image of FIG. 3.
FIG. 3.

Pump power-dependent PL plots for ring radius (spectra are offsetted for clarity and normalized to unit area). The baseline in the vicinity of the resonances is fitted to a cubic polynomial which is subtracted from the PL spectra. The is then computed from a Lorentzian fit of the remaining resonance. Inset: Ring against pump power for radii .

Image of FIG. 4.
FIG. 4.

Relative peak to baseline intensity against for radii 0.61 and in logarithmic scale.

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/content/aip/journal/apl/93/4/10.1063/1.2950087
2008-07-29
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced photoluminescence from germanium-based ring resonators
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/4/10.1063/1.2950087
10.1063/1.2950087
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