Metamaterials enable chiral-selective enhancement of two-photon luminescence from quantum emitters

Sean P. Rodrigues, Yonghao Cui, Shoufeng Lan, Lei Kang, Wenshan Cai

    Research output: Contribution to journalArticle

    30 Scopus citations

    Abstract

    A study was conducted to probe the nonlinear, near-field interaction of engineered chiral structures. The study specifically focused on selective enhancement of a chiral quantum dot emitters within close proximity of our bilayered, chiral metamaterial structure, which was tuned resonance and strong CD. Exposing the chiral center of the 3D structure allowed for probing and modification of the nonlinear signal at the heart of the metamaterial's structural chirality. The enhancement recognized in the rough films could be attributed to the lightning rod effect, where rough surfaces led to stronger confinement and larger mode volumes.

    Original languageEnglish (US)
    Pages (from-to)1124-1130
    Number of pages7
    JournalAdvanced Materials
    Volume27
    Issue number6
    DOIs
    StatePublished - Jan 1 2015

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Mechanics of Materials
    • Mechanical Engineering

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