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| Naji, M. |
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Young, Robert
Lancaster University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2019Graphene and related materials in hierarchical fiber composites: production techniques and key industrial benefitscitations
- 2017Strain-induced phonon shifts in tungsten disulfide nanoplatelets and nanotubescitations
- 2017Large-Area 2D-0D Heterostructures via Langmuir-Blodgett Film Deposition
- 2017SPM characterisation of nanomechanical proprieties of C60 monolayer formed by LB
- 2017Influence of the chemical functionalization of graphene on the properties of polypropylene-based nanocompositescitations
- 2013Rapid thermal annealing and photoluminescence of type-II GaSb single monolayer quantum dot stackscitations
- 2013Rapid thermal annealing and photoluminescence of type-II GaSb single monolayer quantum dot stackscitations
- 2007Control of fine-structure splitting of individual InAs quantum dots by rapid thermal annealingcitations
- 2006Encapsulated single photon emission device
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article
Control of fine-structure splitting of individual InAs quantum dots by rapid thermal annealing
Abstract
<p>Degeneracy of the bright single exciton spin state is a prerequisite for the production of triggered polarization-entangled photon pairs from the biexciton decay of a quantum dot. Normally, however, the exciton spin states are split due to in-plane asymmetries. Here the authors demonstrate that the exciton splitting of an individual dot can be tuned through zero by thermal annealing. Repeated annealing blueshifts the exciton emission line of the dot, accompanied by a reduction and inversion in polarization splitting. Annealing is also demonstrated to control the detuning between the exciton and biexciton transitions in any selected dot.</p>