Electron beam pumping of CdZnSe quantum well laser structures using a variable energy electron beam

C. Trager-Cowan; D.M. Bagnall; F. McGow; W. McCallum; K.P. O'Donnell; P.C. Smith; P. J. Wright; B. Cockayne; K.A. Prior; J.T. Mullins; G. Horsburgh; B.C. Cavenett

doi:10.1016/0022-0248(95)00725-3

Electron beam pumping of CdZnSe quantum well laser structures using a variable energy electron beam

C. Trager-Cowan^*, D.M. Bagnall, F. McGow, W. McCallum, K.P. O'Donnell, P.C. Smith, P. J. Wright, B. Cockayne, K.A. Prior, J.T. Mullins, G. Horsburgh, B.C. Cavenett

^*Corresponding author for this work

Physics

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

In this paper we present experimental results on electron beam pumping of MBE and MOVPE lasers with CdZnSe single quantum wells. Laser emission in the green and blue occurs under pulsed excitation, with threshold power densities typically less than 2 kW/cm² at low temperatures. Threshold curves obtained at different electron beam energies show that there is an optimum electron beam energy for wells at a given depth below the surface. This suggests that it is possible to match the electron beam energy to a given structure. Results are broadly consistent with Monte Carlo calculations of the depth dependence of the energy deposition of the electron beam.

Original language	English
Pages (from-to)	618-622
Number of pages	5
Journal	Journal of Crystal Growth
Volume	159
Issue number	1-4
DOIs	https://doi.org/10.1016/0022-0248(95)00725-3
Publication status	Published - 2 Feb 1996

Funding

We thank David Clark for putting together the electron beam pumping system and for laboratory assistance. We also thank Jim Barrie for building the electronics. The electron beam pumping system was funded by EPSRC/MOD grant GR/H04404.

Keywords

quantum wells
electron beams
eletron beam pumping

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10.1016/0022-0248(95)00725-3

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Trager-Cowan, C., Bagnall, D. M., McGow, F., McCallum, W., O'Donnell, K. P., Smith, P. C., Wright, P. J., Cockayne, B., Prior, K. A., Mullins, J. T., Horsburgh, G., & Cavenett, B. C. (1996). Electron beam pumping of CdZnSe quantum well laser structures using a variable energy electron beam. Journal of Crystal Growth, 159(1-4), 618-622. https://doi.org/10.1016/0022-0248(95)00725-3

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abstract = "In this paper we present experimental results on electron beam pumping of MBE and MOVPE lasers with CdZnSe single quantum wells. Laser emission in the green and blue occurs under pulsed excitation, with threshold power densities typically less than 2 kW/cm2 at low temperatures. Threshold curves obtained at different electron beam energies show that there is an optimum electron beam energy for wells at a given depth below the surface. This suggests that it is possible to match the electron beam energy to a given structure. Results are broadly consistent with Monte Carlo calculations of the depth dependence of the energy deposition of the electron beam.",

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AU - Bagnall, D.M.

AU - McGow, F.

AU - McCallum, W.

AU - O'Donnell, K.P.

AU - Smith, P.C.

AU - Wright, P. J.

AU - Cockayne, B.

AU - Prior, K.A.

AU - Mullins, J.T.

AU - Horsburgh, G.

AU - Cavenett, B.C.

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AB - In this paper we present experimental results on electron beam pumping of MBE and MOVPE lasers with CdZnSe single quantum wells. Laser emission in the green and blue occurs under pulsed excitation, with threshold power densities typically less than 2 kW/cm2 at low temperatures. Threshold curves obtained at different electron beam energies show that there is an optimum electron beam energy for wells at a given depth below the surface. This suggests that it is possible to match the electron beam energy to a given structure. Results are broadly consistent with Monte Carlo calculations of the depth dependence of the energy deposition of the electron beam.

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Electron beam pumping of CdZnSe quantum well laser structures using a variable energy electron beam

Abstract

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Keywords

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