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(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).
(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.
(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.
(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.
(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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