Abstract
Single mode continuously tunable mid-infrared Vertical External Cavity Surface Emitting Lasers (VECSEL) have been realized [1]. IV-VI semiconductors such as PbTe are used for the active region. Emission wavelength is ~5 µm with a total tuning range >100 nm. The VECSEL is optically pumped using a 1.55 µm laser diode.
© 2011 Optical Society of America
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