cw operation of distributed feedback Pb1−xSnxTe lasers
- 15 May 1977
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 30 (10) , 524-526
- https://doi.org/10.1063/1.89220
Abstract
Distributed feedback Pb1−xSnxTe double‐heterostructure lasers grown by molecular‐beam epitaxy with cw operation up to 50 K are reported. The grating of 1.1‐μm periodicity operates in the first Bragg order near 800 cm−1 (12.5 μm). Single‐mode operation is obtained over a wide range of diode current and heat‐sink temperature. Continuous current tuning of mode frequency up to 7 cm−1 is obtained, and by varying both diode current and heat‐sink temperature complete coverage of the range 795–806.5 cm−1 is demonstrated.Keywords
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