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Metal-cavity surface-emitting microlaser at room temperature
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10.1063/1.3455316
/content/aip/journal/apl/96/25/10.1063/1.3455316
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/25/10.1063/1.3455316
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Figures

Image of FIG. 1.
FIG. 1.

(a) Schematics of the microlaser. The blue line represents the magnitude of the optical field . The laser cavity is formed with both top and sidewall metal and a bottom DBR. The laser is in diameter and in height with the substrate removed. (b) The corresponding mode pattern. (c) A scanning electron micrograph of the fabricated cavity with the surrounding before metal coating. (d) The field pattern of the device simulated by FDTD.

Image of FIG. 2.
FIG. 2.

(a) The I-V and L-I curves measured at room temperature (300 K) under dc current injection. The L-I curve shows a threshold of 1.66 mA. (b) The corresponding current-dependent spectra. Below threshold, a broad spontaneous emission spectrum was observed. The lasing peak around 868 nm appeared when the injection current exceeded the threshold value.

Image of FIG. 3.
FIG. 3.

(a) The polarization-resolved L-I curves indicate two modes due to the splitting of two degenerate modes. A clear onset of the second mode around 3.30 mA was observed. (b) The spectral evolution of the two lasing peaks with increasing current. The second peak emerged above its threshold. A clear redshift due to heat was observed when the current increased. All data were taken with CW operation at 300 K.

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/content/aip/journal/apl/96/25/10.1063/1.3455316
2010-06-21
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Metal-cavity surface-emitting microlaser at room temperature
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/25/10.1063/1.3455316
10.1063/1.3455316
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