cw operation of distributed feedback Pb1−xSnxTe lasers

descriptionPublicationkeyboard_double_arrow_right Article 15 May 1977 English Publisher:AIP PublishingJournal:Applied Physics Letters, volume 30, pages 524-526 (issn: 0003-6951, eissn: 1077-3118,

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Authors: J. N. Walpole; A. R. Calawa; S. R. Chinn; S. H. Groves; T. C. Harman;

doi: 10.1063/1.89220

cw operation of distributed feedback Pb1−xSnxTe lasers

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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.

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Massachusetts Institute of Technology
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