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Switching operation of lasing wavelength in mid-infrared ridge-waveguide quantum cascade lasers coupled with microcylindrical cavity
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10.1063/1.3413949
/content/aip/journal/apl/96/17/10.1063/1.3413949
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/17/10.1063/1.3413949
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Figures

Image of FIG. 1.
FIG. 1.

SEM images of a ridge-waveguide laser coupled with a microcylindrical cavity. (a) Cross-sectional image of a ridge-waveguide. (b) Bird’s-eye view of an integrated microcylindrical cavity.

Image of FIG. 2.
FIG. 2.

(Upper part) Dependence of lasing spectra on current injected into the ridge waveguide at 100 K, where current is not injected into the integrated microcylindrical cavity. Current is increased from 1.05 to 1.5 times higher than the threshold current . (Inset) Lasing spectrum of a ridge-waveguide laser without a microcylindrical cavity at . (Lower part) Calculated relative transmission of a ridge waveguide using the given refractive indices.

Image of FIG. 3.
FIG. 3.

Mode switching operation among coupled-cavity modes by increasing current injected into the microcylindrical cavity gradually from 0 to 600 mA, where current injected into the ridge-waveguide was kept constant . These spectra were measured at 100 K.

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/content/aip/journal/apl/96/17/10.1063/1.3413949
2010-04-29
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Switching operation of lasing wavelength in mid-infrared ridge-waveguide quantum cascade lasers coupled with microcylindrical cavity
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/17/10.1063/1.3413949
10.1063/1.3413949
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