Engineering intersubband population inversion with dilute nitrides

M. F. Pereira; Stanko Tomic

doi:10.1117/12.873563

24 January 2011 Engineering intersubband population inversion with dilute nitrides

M. F. Pereira, Stanko Tomic

Proceedings Volume 7945, Quantum Sensing and Nanophotonic Devices VIII; 79450T (2011) https://doi.org/10.1117/12.873563
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

In this paper we investigate the possibility of producing local population inversion that can lead to lasing without inversion by engineering the conduction band effective masses in dilute nitride structures so that the upper lasing subband has an effective mass considerably smaller than the lower lasing subband that could not be obtained in usual IIIV materials. This analysis is the first step towards possible far infrared dilute nitride based quantum cascade lasers that could benefit from the gain without inversion effect to operate at higher temperatures.

Citation Download Citation

M. F. Pereira and Stanko Tomic "Engineering intersubband population inversion with dilute nitrides", Proc. SPIE 7945, Quantum Sensing and Nanophotonic Devices VIII, 79450T (24 January 2011); https://doi.org/10.1117/12.873563

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