Enhancing slow and fast light effects in quantum dot semiconductor waveguides through ultrafast dynamics

Yaohui Chen, Jesper Mørk

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We show that ultrafast carrier dynamics plays an important role on slow and fast light effects based on coherent population oscillations in quantum dot semiconductor waveguides. Fast light in the gain regime and slow light in the absorption regime are found to be enhanced at frequencies beyond the usual limits of the carrier lifetime. The effects are investigated by a comprehensive model and shown to originate from non-equilibrium dynamics within the quantum dot carrier populations.
Original languageEnglish
JournalOptics Letters
Volume35
Issue number5
Pages (from-to)697-699
ISSN0146-9592
DOIs
Publication statusPublished - 2010

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