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- W2090945883 abstract "The band structure and optical gain spectra of indium segregated Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.628</sub> In <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.372</sub> N <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.015</sub> As <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.985</sub> /GaAs single quantum well (Qw) have been studied theoretically using 10-band k middot p Hamiltonian. The optical gains of the TE and TM modes are calculated by employing the many-body optical gain model. The subbands and the optical gains of the GaInNAs/GaAs QW have been investigated for various segregation coefficients. It is found that the indium segregation tends to reduce the subband coupling. When the segregation coefficient R is smaller than 0.75, the gain maximum of the TE mode decreases as a function of R, however, it turns to increase when R is larger than 0.75. On the other hand, the gain maximum of the TM mode shows a monolithic increase with the increase of R. For R < 0.6, the effects of indium segregation on the optical gain of both the TE and TM modes are minor. These results may be useful when designing GaInNAs/GaAs QW based lasers." @default.
- W2090945883 created "2016-06-24" @default.
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- W2090945883 date "2008-01-01" @default.
- W2090945883 modified "2023-10-18" @default.
- W2090945883 title "Optical gain of segregated GaInNAs/GaAs quantum wells at emission wavelength of 1.3 micron" @default.
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- W2090945883 doi "https://doi.org/10.1109/inec.2008.4585468" @default.
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