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Optica Publishing Group
  • International Quantum Electronics Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper FL1

Role of many-body processes in modelling high power semiconductor lasers

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Abstract

Many-body effects have recently been shown to have a significant impact on the nature of femtosecond pulse propagation in semiconductor amplifiers, [1]. Plasma heating, for example, reduces the gain whereas memory effects remove the artificial Lorentzian tails giving rise to nonphysical absorption below the renormalized bandgap, [2]. The role of these many-body microscopic effects in semiconductor lasers, where the carrier density is (approximately) clamped to its threshold value, is less clear. Numerical simulation of the full Maxwell-Semiconductor Bloch equations is clearly out of the question for a multiple pass laser configuration.

© 1996 Optical Society of America

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