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Abstract
The effects of carrier diffusion and quantum capture on the dynamics of separated confinement heterostructure (SCH) single quantum well lasers operating at the first and second quantized states have been investigated by using three level rate equations. Lasing at the second quantized state has a smaller K factor and so a higher intrinsic maximum modulation bandwidth as compared to the first quantized state operation. Although this high intrinsic dynamics is eliminated by the process of carrier diffusion across the SCH layers, lasing at the second quantized state has still higher maximum modulation bandwidth than the first quantized state operation.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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