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Optimization of material parameters in 1.3-μm InGaAsN-GaAs lasers

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2 Author(s)
Tomic, S. ; Dept. of Phys., Surrey Univ., Guildford, UK ; O'Reilly, E.P.

We use a 10-band k/spl middot/p Hamiltonian to investigate gain characteristics of 1.3- μm InGaAsN-GaAs 7-nm quantum-well lasers as a function of indium and nitrogen content. The parameters used were obtained by comparison with experimental transition energy data and fitting to measured spontaneous-emission line broadening. We conclude that optimum device performance is obtained by including the minimum amount of nitrogen necessary to prevent strain relaxation at the given well thickness.

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Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 1 )