Quantum Optoelectronics

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Observations of Rabi oscillations in a non-polar InGaN quantum dot

Applied Physics Letters AIP Publishing 104:26 (2014) 263108

Authors:

Benjamin PL Reid, Claudius Kocher, Tongtong Zhu, Fabrice Oehler, Robert Emery, Christopher CS Chan, Rachel A Oliver, Robert A Taylor

Optimized entropic uncertainty for successive projective measurements

Physical Review A American Physical Society (APS) 89:3 (2014) 032108

Authors:

Kyunghyun Baek, Tristan Farrow, Wonmin Son

High temperature stability in non鈥恜olar (11$ \bar 2 $0) InGaN quantum dots: Exciton and biexciton dynamics

physica status solidi (c) Wiley 11:3鈥4 (2014) 702-705

Authors:

BPL Reid, T Zhu, CCS Chan, C Kocher, F Oehler, R Emery, MJ Kappers, RA Oliver, RA Taylor

Non鈥恜olar (11$ \bar 2 $0) InGaN quantum dots with short exciton lifetimes grown by metal鈥恛rganic vapour phase epitaxy

physica status solidi (c) Wiley 11:3鈥4 (2014) 698-701

Authors:

Robert M Emery, Tongtong Zhu, Fabrice Oehler, Benjamin Reid, Robert A Taylor, Menno J Kappers, Rachel A Oliver

High temperature stability in non-polar (11-20) InGaN quantum dots: Exciton and biexciton dynamics

Physica Status Solidi (C) Current Topics in Solid State Physics 11:3-4 (2014) 702-705

Authors:

BPL Reid, T Zhu, CCS Chan, C Kocher, F Oehler, R Emery, MJ Kappers, RA Oliver, RA Taylor

Abstract:

We report on optical studies of non-polar InGaN quantum dots grown on the (11$ \bar 2 $2) plane. Excitonic and biexcitonic complexes are identified by their power dependence and show similar binding energies (鈭 36 meV) and recombination dynamics to conventional polar (0001) InGaN quantum dots. Measured lifetimes as low as 300 ps suggest a reduced internal electric field when compared with polar InGaN quantum dots. Temperature dependent micro-photoluminescence measurements on a single exciton with a lifetime of 327ps reveal no significant exciton linewidth broadening up to 120K, suggesting a reduction in phonon coupling strength when compared to polar quantum dots. This is 91探花ed by a measured lifetime of 313 ps for this exciton at 77 K, suggesting the measured exciton decay is almost purely radiative. 漏 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.