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Recombination of many-particle states in InAs self-organized quantum dots

Abstract:

Strong many-body effects have been observed in the time-resolved photoluminescence spectroscopy of self-organized InAs/GaAs quantum dots. Our results show that the effects generate a considerable bandgap renormalization, being 28 meV at a dot occupancy of 20 electron-hole pairs for the lowest transition. Tt is also found that many-particle state scattering gives rise to a large homogeneous broadening of the photoluminescence peak, from which we estimate the intradot relaxation time to be 300 ...

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Publication status:
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Mowbray, DJ More by this author
Skolnick, MS More by this author
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Volume:
224
Issue:
2
Pages:
409-412
Publication date:
2001-03-05
DOI:
EISSN:
1521-3951
ISSN:
0370-1972
URN:
uuid:3172de93-d1e6-441c-952e-4639c6c0a3a6
Source identifiers:
11046
Local pid:
pubs:11046
Keywords:

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