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Unidirectional single-frequency lasing from a ring-spiral coupled microcavity laser
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10.1063/1.2961025
/content/aip/journal/apl/93/8/10.1063/1.2961025
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2961025
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic of the ring-spiral coupled microcavity laser. (b) Scanning electron microscope image of the device.

Image of FIG. 2.
FIG. 2.

TE (red solid line) and TM (black dashed line) emission spectra of a single spiral-shaped microlaser. Inset: Plot of the relation between output light intensity and pump energy density.

Image of FIG. 3.
FIG. 3.

(a) Laser emission spectrum from a ring-spiral coupled microcavity. The ring diameter is and the cavity is pumped at . Insets: Microscopic photo of the coupled cavity and plot of the output light intensity change vs pump energy density. (b) Single-mode emission spectrum of the same coupled microlaser when pumped at . Inset: Far-field emission pattern of the single-frequency emission.

Image of FIG. 4.
FIG. 4.

Single-mode laser emission spectrum from a largely overlapped ring-spiral coupled microcavity. The ring diameter is and the ring-spiral overlap length is . The cavity is pumped at . Insets: Microscopic photo of the cavity and far-field emission pattern of the single-frequency emission.

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/content/aip/journal/apl/93/8/10.1063/1.2961025
2008-08-25
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Unidirectional single-frequency lasing from a ring-spiral coupled microcavity laser
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2961025
10.1063/1.2961025
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