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Transmission filtering of a waveguide coupled to a stub microresonator
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10.1063/1.2345251
/content/aip/journal/apl/89/10/10.1063/1.2345251
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/10/10.1063/1.2345251
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic view of a stub coupled to a bus waveguide. (b) Transmission spectra of the waveguide coupled to a stub. The solid and dashed lines correspond to a stub covered and uncovered with a perfectly metallic thin film, respectively.

Image of FIG. 2.
FIG. 2.

Transmission spectra of the waveguide coupled to a stub covered with a perfectly thin metallic layer: (dashed line) and (solid line).

Image of FIG. 3.
FIG. 3.

(Color online) (a) Schematic representation of an infinite line coupled to a rectangular cavity. [(b) and (c)] Dimensionless frequencies of the dips in the transmission coefficients vs (b) the width of the stub for and (c) the length of the stub for . represents the order of the mode inside the cavity.

Image of FIG. 4.
FIG. 4.

(Color online) Map of the magnetic field for different monochromatic incident radiations at the frequencies of the zeros of transmission. The geometrical parameters of the stub are and . The map is obtained by averaging the field over one period of oscillation. The red (blue) color corresponds to the highest (lowest) values of the magnetic field given in arbitrary units. Based on the number of oscillations in the magnetic field inside the stub, an order can be attributed to each mode in relation with the analytical model of Fig. 3(a).

Image of FIG. 5.
FIG. 5.

(a) Schematic view of a stub covered with a perfectly metallic thin layer, coupled to a bus waveguide via a narrow air gap of thickness . (b) Transmission spectrum of the waveguide for an air gap of thickness (dotted lines), (dashed lines), or (full lines). (c) Quality factor of the dip vs the thickness of the air gap.

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/content/aip/journal/apl/89/10/10.1063/1.2345251
2006-09-07
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transmission filtering of a waveguide coupled to a stub microresonator
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/10/10.1063/1.2345251
10.1063/1.2345251
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