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
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.
引用
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页数:6
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