Abstract
Laser emission of a compact surface-emitting microlaser, optically pumped and operating at 1.5 μm at room temperature is presented. The two-dimensional photonic crystal is conformed in a hybrid triangular-graphite lattice designed for vertical emission. The structures have been fabricated on InP slabs including four InAsP quantum wells, a SiO2 bonding layer, and a bottom high index contrast Si/SiO2 Bragg mirror deposited on a Si wafer. Standard techniques of electron-beam lithography and reactive ion-etching have been used for the patterning. The optical characterization was performed by micro-photoluminescence spectroscopy. Multimode, strongly polarized laser emission has been achieved with quality factors Q around 3000.
© 2008 Optical Society of America
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