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Continuous-wave type-II "QW" lasers emitting at /spl lambda/=5.4-7.1 μm

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8 Author(s)
Felix, C.L. ; Naval Res. Lab., Washington, DC, USA ; Bewley, W.W. ; Olafsen, L.J. ; Stokes, D.W.
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Optically pumped type-II QW lasers emitting in the 5.4-7.1 -μm wavelength range and at continuous-wave (CW) temperatures up to 210 K are demonstrated. At 80 K, the maximum CW output power from a 40-μm-wide pump stripe is 48 mW at 5.41 μm and 31 mW at 6.05 μm. Epitaxial-side-down heat sinking is provided by a new diamond-pressure-bond mounting technique, which requires minimal processing and maintains topside optical access.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 8 )