Systematic study of the emission spectra of nanowire quantum dots

Patrick Laferrière*, Edith Yeung, Marek Korkusinski, Philip J. Poole, Robin L. Williams, Dan Dalacu, Jacob Manalo, Moritz Cygorek, Abdulmenaf Altintas, Pawel Hawrylak

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
11 Downloads (Pure)

Abstract

A systematic study of the emission spectra of single InAsP nanowire quantum dots in position-controlled InP photonic nanowire waveguides is presented. Using excitation power-dependent photoluminescence and correlation measurements, we distinguish between the different excitonic complexes responsible for s-shell emission. From measurements of over 40 nominally identical devices, we obtain a standard deviation of ∼5 meV in the emission energy of excitons, biexcitons, and charged exciton photons. The mean biexciton binding energy was 1.9 meV with a standard deviation of ∼0.8 meV. The experimental spectra are understood using atomistic multi-million atom theory of neutral and charged multi-exciton complexes implemented in the design tool QNANO.

Original languageEnglish
Article number161107
JournalApplied Physics Letters
Volume118
Issue number16
DOIs
Publication statusPublished - 19 Apr 2021

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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