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Lead chalcogenide VECSEL on Si emitting at 5 μm

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5 Author(s)
Rahim, M. ; Thin Film Phys. Group, ETH Zurich, Zurich ; Felder, F. ; Fill, M. ; Boye, D.
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A mid-infrared vertical external cavity surface emitting laser (VECSEL) on a Si substrate has been realised. It is optically pumped and emits around 5 mum wavelength. Maximum output power of 26 mWp (limited by the 1.5 m wavelength pump laser) was observed at 100 K operating temperature with 3 s pulse widths. The active part is just a 1.3 m-thick PbTe layer.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 25 )