Abstract
Although the condition to reach to the threshold level is derived only with the liner gain, more detailed characteristics, such as selection of lasing mode and stability of the operation, are determined with the nonlinear gain. Derivation of the nonlinear gain in the semiconductor laser is given based on the perturbation expansion of the density matrix.
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© 2014 Springer Japan
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Yamada, M. (2014). Nonlinear Gain. In: Theory of Semiconductor Lasers. Springer Series in Optical Sciences, vol 185. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54889-8_8
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DOI: https://doi.org/10.1007/978-4-431-54889-8_8
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Online ISBN: 978-4-431-54889-8
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