Abstract
We continue the discussion of subbands with a description of wave functions and energy bands of electrons in a quantum well. We also show how light holes modify the gain profile.
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Problems
Problems
26.1
Two-dimensional density of states. Determine the density of states of a two-dimensional electron gas.
26.2
Subpicosecond quantum well laser. Is it possible to generate subpicosecond pulses with a quantum well laser? Divide the procedure of answering this question into three parts.
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(a)
Is it in principle possible to generate subpicosecond pulses with a quantum well laser?
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(b)
Is it possible to use a quantum well laser of 1 mm length, supposed that the reflector on one side is a SESAM reflector?
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(c)
Discuss a semiconductor laser that uses an external broadband reflector.
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Renk, K.F. (2017). More About the Quantum Well Laser. In: Basics of Laser Physics. Graduate Texts in Physics. Springer, Cham. https://doi.org/10.1007/978-3-319-50651-7_26
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DOI: https://doi.org/10.1007/978-3-319-50651-7_26
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-50650-0
Online ISBN: 978-3-319-50651-7
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