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Gain spectroscopy of solution-based semiconductor nanocrystals in tunable optical microcavities

Abstract:
The lasing behavior of solution-based colloidal quantum dots within an open microcavity is reported. The small size and wide tunability of the cavity provide single mode lasing over a wavelength range in excess of 25 nm. By extracting the lasing threshold and differential gain for the fundamental cavity mode over this spectral range, gain spectroscopy of the quantum dot solution is demonstrated. This new approach could help in the optimization of laser gain media and provides a way of constructing miniature laser arrays for on-chip integration.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/adom.201500363

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Expand authors...
Samsung Advanced Institute of Technology More from this funder
Oxford Martin School More from this funder
Leverhulme Trust More from this funder
Publisher:
Wiley Publisher's website
Journal:
Advanced Optical Materials Journal website
Volume:
4
Issue:
2
Pages:
285-290
Publication date:
2016-02-16
DOI:
ISSN:
2195-1071
Source identifiers:
579434
Pubs id:
pubs:579434
UUID:
uuid:12436fc2-f3d3-4706-9493-eeca15027d30
Local pid:
pubs:579434
Deposit date:
2016-02-11

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