Incorporating structural analysis in a quantum dot Monte-Carlo model

I. M. E. Butler; Wei Li; S. A. Sobhani; N. Babazadeh; I. M. Ross; K. Nishi; K. Takemasa; M. Sugawara; Negin Peyvast; D. T. D. Childs; R. A. Hogg

doi:10.1117/12.2291004

19 February 2018 Incorporating structural analysis in a quantum dot Monte-Carlo model

I. M. E. Butler, Wei Li, S. A. Sobhani, N. Babazadeh, I. M. Ross, K. Nishi, K. Takemasa, M. Sugawara, Negin Peyvast, D. T. D. Childs, R. A. Hogg

Author Affiliations +

Proceedings Volume 10553, Novel In-Plane Semiconductor Lasers XVII; 105530G (2018) https://doi.org/10.1117/12.2291004
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

We simulate the shape of the density of states (DoS) of the quantum dot (QD) ensemble based upon size information provided by high angle annular dark field scanning transmission electron microscopy (HAADF STEM). We discuss how the capability to determined the QD DoS from micro-structural data allows a MonteCarlo model to be developed to accurately describe the QD gain and spontaneous emission spectra. The QD DoS shape is then studied, with recommendations made via the effect of removing, and enhancing this size inhomogeneity on various QD based devices is explored.

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I. M. E. Butler, Wei Li, S. A. Sobhani, N. Babazadeh, I. M. Ross, K. Nishi, K. Takemasa, M. Sugawara, Negin Peyvast, D. T. D. Childs, and R. A. Hogg "Incorporating structural analysis in a quantum dot Monte-Carlo model", Proc. SPIE 10553, Novel In-Plane Semiconductor Lasers XVII, 105530G (19 February 2018); https://doi.org/10.1117/12.2291004

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