Screening effects on the band-gap renormalization of strained InGaAs/InGaAsP quantum well lasers lattice matched to GaAs

Seoung Hwan Park, Doyeol Ahn

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The screening effects on the band-gap renormalization (BGR) of strained InGaAs/InGaAsP (Eg=1.6 eV) QW lasers lattice matched to GaAs are investigated theoretically, taking into account the valence-band mixing and multisubband effects. These results are also compared with those of InGaAs/GaAs QW lasers. Without the screening effect, the BGR significantly depends on both the carrier density and the In composition. On the other hand, with the screening effect, these dependencies are expected to be reduced considerably. The BGR with the screening effect in InGaAs/GaAs lasers show weaker dependence on the In composition compared to InGaAs/InGaAsP lasers.

Original languageEnglish
Pages (from-to)1844
Number of pages1
JournalApplied Physics Letters
StatePublished - 1995

Fingerprint

Dive into the research topics of 'Screening effects on the band-gap renormalization of strained InGaAs/InGaAsP quantum well lasers lattice matched to GaAs'. Together they form a unique fingerprint.

Cite this