Terahertz Injection Lasers Based on a PbSnSe Solid Solution with an Emission Wavelength up to 50 μm and Their Application in the Magnetospectroscopy of Semiconductors
2018
On the basis of a Pb1 –xSnxSe solid solution, long-wavelength diffusion injection lasers with laser generation up to a record long wavelength of 50.4 μm are created and studied. Pb1 –xSnxSe single crystals are grown from the vapor phase under the conditions of free growth (unseeded vapor-growth technique). By the example of a HgCdTe narrow-gap semiconductor and a quantum-well heterostructure, the possibility of applying the developed lasers in solid-state spectroscopy is demonstrated.
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