DPG Phi
Verhandlungen
Verhandlungen
DPG

SKM 2021 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

HL: Fachverband Halbleiterphysik

HL 13: Poster Session III

HL 13.16: Poster

Dienstag, 28. September 2021, 13:30–16:30, P

Carrier dynamics and modulation properties in tunnel- injection based quantum-dot structures — •Michael Lorke1, Igor Khanonkin2, Stephan Michael1, Gadi Eisenstein2, and Frank Jahnke11Institute for Theoretical Physics, University of Bremen, Germany — 2Andrew and Erna Viterbi Department of Electrical Engineering, Technion, Haifa, Israel

For tunnel-injection (TI) quantum-dot (QD) lasers record high small signal modulation bandwidth and improved performance of 1.55μm InAs QDs on InP-based hetero-structures were reported, which underscores their application potential for high-speed optical communication networks. However, large signal modulation, which really is the fingerprint of applicability in optical communication, is much less investigated. We present a theoretical analysis of TI laser and amplifier devices by combining material realistic electronic structure calculations with a detailed description of the carrier dynamics. Based on these investigations, we can give design guidelines to optimize the modulation bandwidth and turn-on delay.

100% | Mobil-Ansicht | English Version | Kontakt/Impressum/Datenschutz
DPG-Physik > DPG-Verhandlungen > 2021 > SKM