Abstract
For many purposes, the electromagnetic field can be treated classically, while the semiconductor medium is treated quantum mechanically. However two general characteristics of semiconductor laser operation require at least some level of field quantization. These are spontaneous emission and the laser linewidth. This chapter introduces the necessary additional formalism to treat these problems and shows some simple ways of calculating them.
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© 1994 Springer-Verlag Berlin Heidelberg
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Chow, W.W., Koch, S.W., Sargent, M. (1994). Quantum Theory of the Laser. In: Semiconductor-Laser Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-61225-1_9
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DOI: https://doi.org/10.1007/978-3-642-61225-1_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-64752-9
Online ISBN: 978-3-642-61225-1
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