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4 December 1998 Effects of multiple quantum well nonlinearities on coupling coefficient and wavelength detuning in distributed-feedback laser structures
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Abstract
Using a finite element formalism, the effects of an intensity dependent refractive index nonlinearity on the coupling coefficient and wavelength detuning of an index coupled multiple quantum well distributed-feedback laser structure are modeled. The associated nonlinear 1D guided wave equation is numerically solved for the effective index (eigenvalue) and the transverse field profile (eigenvector). Results are obtained for varying numbers of quantum wells and grating thickness. Changes in wavelength detuning and coupling coefficient for a given laser structure are shown to change linearly with increasing optical power.
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Glenn D. Isenor, Jingyi Wang, Toshihiko Makino, and Michael Cada "Effects of multiple quantum well nonlinearities on coupling coefficient and wavelength detuning in distributed-feedback laser structures", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328722
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