Improved light extraction with nano-particles offering directional radiation diagrams | Zendy

Anthony Jouanin | Zendy; JeanPaul Hugonin | Zendy; Mondher Besbes | Zendy; Philippe Lalanne | Zendy

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Improved light extraction with nano-particles offering directional radiation diagrams

Author(s) -

Anthony Jouanin,

JeanPaul Hugonin,

Mondher Besbes,

Philippe Lalanne

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4862189

Subject(s) - polarization (electrochemistry) , transverse plane , nano , dipole , optoelectronics , radiation , optics , materials science , ray , light scattering , nanoscopic scale , magnetic dipole , nanotechnology , physics , scattering , chemistry , structural engineering , quantum mechanics , engineering , composite material

International audienceWe propose a unique approach for light extraction, using engineered nano-particles to efficiently decouple the light guided in transverse-magnetic guided modes into free-space radiation modes that leak out normally to the thin-film stacks. The underlying mechanism takes advantage of a small electric field variation at the nano-particle scale and induces a "polarization conversion," which renders the induced dipole moment perpendicular to the polarization of the incident light. Our analysis is supported by 2D fully vectorial computational results. Potential applications for light emitting or photovoltaic devices are outlined

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