Anisotropic strain-tuning of quantum dots inside a photonic crystal cavity

J. Beetz*, T. Braun, C. Schneider, S. Hoefling, M. Kamp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We report on anisotropic strain induced fine-tuning of semiconductor quantum dots (QDs) embedded into a photonic crystal nanocavity. Due to a complete removal of the sample substrate we achieve large spectral tuning ranges of up to 5.83 meV for the QD emission lines, which is sufficient to readily establish spectral resonance with the high Q cavity mode. When the QD emission lines are swept through the mode, we observe an enhancement of the QD emission in this weakly coupled QD-resonator system.

Original languageEnglish
Article number122002
Number of pages5
JournalSemiconductor Science and Technology
Volume28
Issue number12
DOIs
Publication statusPublished - Dec 2013

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