Metamaterials Enable Chiral-Selective Enhancement of Two-Photon Luminescence from Quantum Emitters

The amplification of chirally modified, non‐linear signals from quantum emitters is demonstrated by manipulating the geometric chirality of resonant plasmonic nanostructures. The chiral center of the metamaterial is opened and emitters occupy this light‐confining and chirally sensitive region. Non‐l...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-02, Vol.27 (6), p.1124-1130
Main Authors: Rodrigues, Sean P., Cui, Yonghao, Lan, Shoufeng, Kang, Lei, Cai, Wenshan
Format: Article
Language:English
Subjects:
Amplification
chirality
Circular polarization
Emission
Emitters
Luminescence
Metamaterials
nanophotonics
Nanostructure
nonlinear optics
Nonlinearity
Plasmonics
quantum dots
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Summary:The amplification of chirally modified, non‐linear signals from quantum emitters is demonstrated by manipulating the geometric chirality of resonant plasmonic nanostructures. The chiral center of the metamaterial is opened and emitters occupy this light‐confining and chirally sensitive region. Non‐linear emission signals are enhanced by 40× that of the emitters not embedded in the metamaterial and display a 3× contrast for the opposite circular polarization.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201405072