Abstract
Beginning with this chapter, we will treat semiconductor lasers—that are solid state lasers with active media based on semiconductor materials.
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Problems
Problems
20.1
De Broglie wavelength. Estimate the ratio of the de Broglie wavelength of a conduction band electron in GaAs and a free-electron in vacuum that move at the same velocity.
20.2
Number of states. Evaluate the number of states in the conduction band of GaAs (\(m_\mathrm{e} =0.07\) m\(_0\)) that are available at the energy \(E_\mathrm{g} + 26\) meV in an energy interval of 1 meV for different cases.
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(a)
The semiconductor is three-dimensional.
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(b)
The semiconductor is Two-dimensional.
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(c)
The semiconductor is One-dimensional.
20.3
Frequency distance of the longitudinal modes of a waveguide Fabry–Perot resonator. Evaluate the frequency distance of longitudinal modes of a GaAs waveguide Fabry–Perot resonator (\(n =3.6\)) of a length of 1 mm.
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Renk, K.F. (2017). An Introduction to Semiconductor Lasers. In: Basics of Laser Physics. Graduate Texts in Physics. Springer, Cham. https://doi.org/10.1007/978-3-319-50651-7_20
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DOI: https://doi.org/10.1007/978-3-319-50651-7_20
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