InAs-based dilute nitride materials and devices for the mid-infrared spectral range

A. Krier; M. de la Mare; Q. Zhuang; P. J Carrington; A. Patane

doi:10.1117/12.2008800

4 February 2013 InAs-based dilute nitride materials and devices for the mid-infrared spectral range

A. Krier, M. de la Mare, Q. Zhuang, P. J Carrington, A. Patane

Proceedings Volume 8631, Quantum Sensing and Nanophotonic Devices X; 86311Q (2013) https://doi.org/10.1117/12.2008800
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

In this work we report on the characterization of InAsNSb dilute nitride alloys and mutli-quantum well structures. InAsN epilayers with room-temperature photoluminescence emission have been successfully grown by MBE on InAs and GaAs substrates. By careful attention to growth conditions, device quality material can be obtained for N contents up to ~3% with band gap reduction which follows the band anti-crossing model. Mid-infrared light-emitting diodes containing ten period InAsNSb/InAs multi-quantum wells within the active region were fabricated. These devices exhibited electroluminescence up to room temperature consistent with e-hh₁ and e-lh₁ transitions within type I quantum wells in good agreement with calculations. Comparison of the temperature dependence of the EL with that of type II InAsSb/InAs reveals more intense emission at low temperature and an improved temperature quenching up to T~200 K where thermally activated carrier leakage becomes important and further increase in the QW band offsets is needed. This material system shows promise for use in mid-infrared diode lasers and other optoelectronic devices.

Citation Download Citation

A. Krier, M. de la Mare, Q. Zhuang, P. J Carrington, and A. Patane "InAs-based dilute nitride materials and devices for the mid-infrared spectral range", Proc. SPIE 8631, Quantum Sensing and Nanophotonic Devices X, 86311Q (4 February 2013); https://doi.org/10.1117/12.2008800

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