Experimental-theoretical Landau energy level data and its use in making p-Ge laser transition assignments |
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Authors: | Paul D Coleman and D W Cronin |
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Institution: | (1) Department of Electrical and Computer Engineering, University of Illinois, 61801 Urbana, IL |
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Abstract: | Landau energy levels are determined from cyclotron resonance absorption data and compared to theoretical calculations. Energy level diagrams are presented to graphically display the nonequal energy level spacings and identify absorption transitions. This information is then used to make transition assignments responsible for the p-Ge laser signals seen by V. N. Shastin et al. and C. Kremser et al. This work suggests that the p-Ge laser yields signals via the following transitions: (a) the expected cyclotron transitions for n=1, (b) harmonic cyclotron transitions for n=2, 3, (c) light-to-heavy hole transitions and (d) light hole to acceptor level transitions. The material of this paper should be of aid in the study of the pumping-oscillation cycle of the p-Ge laser. |
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