Abstract：
:Single epitaxially-grown semiconductor quantum dots have great potential as single photon sources for photonic quantum technologies, though in practice devices often exhibit nonideal behavior. Here, we demonstrate that amplitude modulation can improve the performance of quantum-dot-based sources. Starting with a bright source consisting of a single quantum dot in a fiber-coupled microdisk cavity, we use synchronized amplitude modulation to temporally filter the emitted light. We observe that the single photon purity, temporal overlap between successive emission events, and indistinguishability can be greatly improved with this technique. As this method can be applied to any triggered single photon source, independent of geometry and after device fabrication, it is a flexible approach to improve the performance of systems based on single solid-state quantum emitters, which often suffer from excess dephasing and multi-photon background emission.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Ates S,Agha I,Gulinatti A,Rech I,Badolato A,Srinivasan Kdoi
10.1038/srep01397subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1397issn
2045-2322pii
srep01397journal_volume
3pub_type
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