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Room temperature mid-infrared surface-emitting photonic crystal laser on silicon
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) TM modes dispersion diagram of the 2D hexagonal photonic crystal array and (b) top-view SEM image of PbSe/PbSrSe MQWs structure grown on patterned Si (111).

Image of FIG. 2.
FIG. 2.

(Color online) Temperature dependent light emissions of PbSe/PbSrSe MQWs on the PC patterned Si (upper group marked by dashed circle) and on un-patterned Si of the same sample (lower group marked by dashed circle). The temperature coefficients extracted from linear fits of both PC patterned and un-patterned area are shown in the inset.

Image of FIG. 3.
FIG. 3.

(Color online) (a) PC coupled pulsed light emission spectra (resolution: 16 cm−1) with different pumping intensity at room temperature and (b) calibrated PC laser peak output power as a function of the peak pumping power density at 300 K.

Image of FIG. 4.
FIG. 4.

(Color online) Angular dependence of the PC coupled emissions above threshold pumping (solid triangle) and below threshold pumping (solid circle); the curves are Gaussian fittings.

Image of FIG. 5.
FIG. 5.

(Color online) PC coupled laser emission spectrum (resolution: 1 cm−1) at 300 K. Multi-mode lasing information and linewidth determined by Gaussian function fitting are presented in the inset.


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Scitation: Room temperature mid-infrared surface-emitting photonic crystal laser on silicon