Abstract
We report the recent progress in type-II interband cascade (IC) lasers, For the 4.2-pm devices, lasing was observed up to 210 K, and the threshold density was only 95 A/cm2at 90 K and 284 A/cm2at 200 K. For the 4.5-μm lasers, the internal loss was only 11.6 cm−1 and the internal quantum efficiency was 460% at 90 K. We have also demonstrated the first dual-wavelength type-II IC lasers at 4.482 and 4.568 μm.
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Lin, CH., Hwang, WY., Zaitsev, S.V. et al. Recent Progress of Mid-IR Type-II Interband Cascade Lasers. MRS Online Proceedings Library 607, 35 (1999). https://doi.org/10.1557/PROC-607-35
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DOI: https://doi.org/10.1557/PROC-607-35