Continuous room-temperature operation of optically pumped two-dimensional photonic crystal lasers at 1.6 mu m

In this letter, continuous operation is realized from two-dimensional slab photonic crystal lasers at room temperature, The laser structure is prepare d by wafer fusion of an InGaAsP active layer with an AlAs layer that is wet oxidized into an Al2O3 layer subsequently. The incident threshold pump pow er at 0.98 mum is 9.2 mW for a similar to 10-mum-diameter hexagonal cavity lasing at 1.6 mum.