Low Threshold Lasing in InP/GaInP Quantum Dot Microdisks
- Authors: Lebedev D.V.1, Bykov V.A.2, Shelaev A.V.2, Smirnov V.I.3, Buriak P.A.3, Romanova A.Y.3, Juska G.4, Gocalinska A.4, Pelucchi E.4, Guseva Y.A.1, Troshkov S.I.1, Kulagina M.M.1, Vlasov A.S.1, Mintairov A.M.1,5
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Affiliations:
- Ioffe Institute
- NT-MDT
- Peter the Great St. Petersburg Polytechnic University
- Tyndall National Institute, University College Cork
- University of Notre Dame
- Issue: Vol 52, No 14 (2018)
- Pages: 1894-1897
- Section: Lasers and Optoelectronic Devices
- URL: https://journals.rcsi.science/1063-7826/article/view/205139
- DOI: https://doi.org/10.1134/S1063782618140166
- ID: 205139
Cite item
Abstract
We report a realization of room temperature lasing threshold of 1 μW in GaInP microdisk containing a few self-aggregated InP/GaInP quantum dots (QDs) grown by metal-organic vapor phase epitaxy. InP/GaInP QD microdisk cavities emitting in the spectral range of 700–800 nm and having the size of ~2 μm, free spectral range of ~35 nm and quality factors Q ~ 4000 were formed by wet chemical etching. Low dot density (~2 μm–2) and large dot size (~150 nm), suggesting a single dot lasing and maximum overlap of QD and cavity mode, were achieved using deposition of 3 ML of InP layer at 700°C.
About the authors
D. V. Lebedev
Ioffe Institute
Author for correspondence.
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
V. A. Bykov
NT-MDT
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, MoscowZelenograd, 124460
A. V. Shelaev
NT-MDT
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, MoscowZelenograd, 124460
V. I. Smirnov
Peter the Great St. Petersburg Polytechnic University
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 195251
P. A. Buriak
Peter the Great St. Petersburg Polytechnic University
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 195251
A. Yu. Romanova
Peter the Great St. Petersburg Polytechnic University
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 195251
G. Juska
Tyndall National Institute, University College Cork
Email: lebedev.dmitri@mail.ioffe.ru
Ireland, Cork
A. Gocalinska
Tyndall National Institute, University College Cork
Email: lebedev.dmitri@mail.ioffe.ru
Ireland, Cork
E. Pelucchi
Tyndall National Institute, University College Cork
Email: lebedev.dmitri@mail.ioffe.ru
Ireland, Cork
Yu. A. Guseva
Ioffe Institute
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. I. Troshkov
Ioffe Institute
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
M. M. Kulagina
Ioffe Institute
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. S. Vlasov
Ioffe Institute
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. M. Mintairov
Ioffe Institute; University of Notre Dame
Email: lebedev.dmitri@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021; Notre Dame, IN, 46556