High-power CW performance of 7-stage interband cascade lasers

C. L. Canedy; J. Abell; C. D. Merritt; W. W. Bewley; C. S. Kim; M. Kim; I. Vurgaftman; J. R. Meyer

doi:10.1117/12.2039941

27 February 2014 High-power CW performance of 7-stage interband cascade lasers

C. L. Canedy, J. Abell, C. D. Merritt, W. W. Bewley, C. S. Kim, M. Kim, I. Vurgaftman, J. R. Meyer

Author Affiliations +

Proceedings Volume 9002, Novel In-Plane Semiconductor Lasers XIII; 90021C (2014) https://doi.org/10.1117/12.2039941
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We report a narrow-ridge interband cascade laser emitting at λ ≈ 3.5 μm that produces up to 592 mW of cw power with a wallplug efficiency of 10.1% and beam quality factor of M2 = 3.7 at T = 25 °C. Furthermore, devices from a large number of wafers with similar 7-stage designs and wavelengths spanning 2.8-4.7 μm exhibit consistently higher pulsed external differential quantum efficiencies than earlier state-of-the-art ICLs.

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C. L. Canedy, C. L. Canedy, J. Abell, J. Abell, C. D. Merritt, C. D. Merritt, W. W. Bewley, W. W. Bewley, C. S. Kim, C. S. Kim, M. Kim, M. Kim, I. Vurgaftman, I. Vurgaftman, J. R. Meyer, J. R. Meyer, "High-power CW performance of 7-stage interband cascade lasers", Proc. SPIE 9002, Novel In-Plane Semiconductor Lasers XIII, 90021C (27 February 2014); doi: 10.1117/12.2039941; https://doi.org/10.1117/12.2039941

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