Continuous operation over 1500 h of a PbTe/PbSnTe double-heterostructure laser at 77 K
- 15 November 1977
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 31 (10) , 699-701
- https://doi.org/10.1063/1.89491
Abstract
Continuous operation over 1500 h at 77 K has been achieved by use of a PbTe/Pb0.93Sn0.07Te double‐heterostructure laser which was grown using the liquid‐phase‐epitaxy method. The cw threshold current changed only about 3% during the first 200 h. It is concluded that the lifetime of PbTe/PbSnTe double‐heterostructure lasers at 77 K is fundamentally very long.Keywords
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