Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4858966
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Funding
- Project for Developing Innovation System of the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Japan Society for the Promotion of Science (JSPS) through its Funding Program for world-leading Innovation R&D on Science and Technology (FIRST Program)
- DFG graduate program [GRK 1464]
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We report the demonstration of single-photon emission from cubic GaN/AlN quantum dots grown by molecular beam epitaxy. We have observed spectrally clean and isolated emission peaks from these quantum dots. Clear single-photon emission was detected by analyzing one such peak at 4K. The estimated g((2))[0] value is 0.25, which becomes 0.05 when corrected for background and detector dark counts. We have also observed the single-photon nature of the emission up to 100K (g((2))[0] = 0.47). These results indicate that cubic GaN quantum dots are possible candidates for high-temperature operating UV single-photon sources with the possibility of integration into photonic nanostructures. (C) 2014 AIP Publishing LLC.
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