J. Massengale, Yixuan Shen, R. Yang, S. Hawkins, J. Klem
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Advances in Long Wavelength Interband Cascade Lasers
We demonstrate significantly improved performance of InAs-based interband cascade lasers (ICLs) operating in extended wavelength regions covering $10-13\ \mu \mathrm{m}$ with threshold current densities (Jth) as low as 12 A/cm2 and continuous-wave (cw) output powers greater than 40 mW/facet.