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Capturing light pulses into a pair of coupled photonic crystal cavities
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10.1063/1.3141485
/content/aip/journal/apl/94/23/10.1063/1.3141485
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/23/10.1063/1.3141485
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) A part of the implementation of the pulse capture/release structure in a two-dimensional photonic crystal. The black is dielectric , the gray is modulated dielectric, and the white is air . (b) A coupled mode theory model of the structure. On the left is a waveguide, and on the right are resonators, represented by circles. The cavities are coupled to the waveguide with coupling constants and , and directly coupled to each other with coupling constant .

Image of FIG. 2.
FIG. 2.

The field at (a) and (b) .

Image of FIG. 3.
FIG. 3.

The parameters used in the simulations as a function of time. (a) The dielectric modulation curves for the two cavities, used in FDTD simulations. is the dielectric constant in the absence of modulation, not the value in vacuum. (b) The resulting resonant frequency detuning, used in coupled mode simulations. (c) The coupling rate of the two cavities to the waveguide. (d) The intercavity coupling rate.

Image of FIG. 4.
FIG. 4.

Comparison of coupled mode theory and FDTD simulation results. (a) The energy in the two cavities in a pulse capture simulation. The black curve is the FDTD result and the circles are the coupled mode theory prediction. (b) The pulse amplitude in a pulse release simulation. The black curve is the FDTD result and the circles are the coupled mode theory prediction.

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/content/aip/journal/apl/94/23/10.1063/1.3141485
2009-06-09
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Capturing light pulses into a pair of coupled photonic crystal cavities
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/23/10.1063/1.3141485
10.1063/1.3141485
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