Systematic study of the emission spectra of nanowire quantum dots

被引：16

作者：

Laferriere, Patrick ^{[1
,2
]}

Yeung, Edith ^{[1
,2
]}

Korkusinski, Marek ^{[1
]}

Poole, Philip J. ^{[1
]}

Williams, Robin L. ^{[1
]}

Dalacu, Dan ^{[1
,2
]}

Manalo, Jacob ^{[2
]}

Cygorek, Moritz ^{[2
,3
]}

Altintas, Abdulmenaf ^{[2
]}

Hawrylak, Pawel ^{[2
]}

机构：

[1] Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada

[2] Univ Ottawa, Ottawa, ON K1N 6N5, Canada

[3] Heriot Watt Univ, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

APPLIED PHYSICS LETTERS | 2021年 / 118卷 / 16期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1063/5.0045880

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 similar to 5 meV in the emission energy of excitons, biexcitons, and charged exciton photons. The mean biexciton binding energy was 1.9meV with a standard deviation of similar to 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.

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页数：6

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