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Aligning microcavity resonances in silicon photonic-crystal slabs using laser-pumped thermal tuning
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10.1063/1.2896615
/content/aip/journal/apl/92/10/10.1063/1.2896615
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/10/10.1063/1.2896615
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of the fabricated device. (a) Top view of the PhC structure with two cavities. (b) Magnified view of microcavity C1.

Image of FIG. 2.
FIG. 2.

Experimental results of laser-pumped thermal tuning of PhC microcavities with laser pump light focused near microcavity C1. (a) Transmission spectra for pump powers between 0 and . Solid black lines show experimental data and red dashed lines show theoretical fits. (b) Resonance wavelengths (dip positions) as a function of pump power.

Image of FIG. 3.
FIG. 3.

Resonance redshift of the two microcavities for different positions of the pumping laser spot. The laser spot was scanned along the waveguide near cavity 2 (along the long dashed arrow in Fig. 1), whose redshift exhibits strong dependence on the spot position. The zero of the horizontal axis corresponds to the position of cavity 2. Cavity 1 has negligible redshift due to its large distance away from the laser spot. (Inset) Redshift of cavity 2 with respect to the logarithm of the distance to laser spot.

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/content/aip/journal/apl/92/10/10.1063/1.2896615
2008-03-12
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Aligning microcavity resonances in silicon photonic-crystal slabs using laser-pumped thermal tuning
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/10/10.1063/1.2896615
10.1063/1.2896615
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