Cavity-length dependence of quantum-well lasers with different strain

Ulf Ohlander; Dana Karlsson-Varga; Bjoern Broberg; Johan Wallin; Gunnar Landgren

doi:10.1117/12.137606

3 September 1992 Cavity-length dependence of quantum-well lasers with different strain

Ulf Ohlander, Dana Karlsson-Varga, Bjoern Broberg, Johan Wallin, Gunnar Landgren

Proceedings Volume 1675, Quantum Well and Superlattice Physics IV; (1992) https://doi.org/10.1117/12.137606
Event: Semiconductors '92, 1992, Somerset, NJ, United States

Abstract

Previously, strain has shown to reduce the threshold current density for long cavity semiconductor lasers. However, also important is the cavity length for which the threshold current has a minimum. We find that for a given well width, an increase of the indium ratio from the lattice-matched value substantially reduces this optimum cavity length. We attribute this to the combined effects of strain on the valence bands and an increase in the confinement of the conduction band electrons to the well.

Citation Download Citation

Ulf Ohlander, Dana Karlsson-Varga, Bjoern Broberg, Johan Wallin, and Gunnar Landgren "Cavity-length dependence of quantum-well lasers with different strain", Proc. SPIE 1675, Quantum Well and Superlattice Physics IV, (3 September 1992); https://doi.org/10.1117/12.137606

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