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Controlling the emission from semiconductor quantum dots using ultra-small tunable optical microcavities

Abstract:

We report the control of spontaneous emission from CdSe/ZnS core-shell quantum dots coupled to novel open-access optical microcavities. The cavities are fabricated by focused ion beam milling and provide mode volumes less than a cubic micrometre. The quantum dot emission spectrum, spatial modes and lifetime are all modified substantially by the presence of the cavity, and can be tuned by actively varying the cavity length. An increase in emission rate of 75% is achieved at room temperature, a...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1088/1367-2630/14/10/103048

Authors


Fairclough, SM More by this author
Wincott, MB More by this author
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Funding agency for:
Smith, JM
Engineering and Physical Sciences Research Council More from this funder
Publisher:
Deutsche Physikalische Gesellschaft Publisher's website
Journal:
New Journal of Physics Journal website
Volume:
14
Issue:
10
Pages:
Article: 103048
Publication date:
2012-10-05
DOI:
EISSN:
1367-2630
ISSN:
1367-2630
URN:
uuid:40062bdc-9c53-4036-b67a-48d101a7f40f
Source identifiers:
366377
Local pid:
pubs:366377

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