Improved light extraction with nano-particles offering directional radiation diagrams

Journal Article · Mon Jan 13 00:00:00 EST 2014 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4862189· OSTI ID:22275717

Hugonin, J. P.; Besbes, M. ^[1]; Lalanne, P. ^[1]

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1. Laboratoire Charles Fabry, UMR 8501, Institut d'Optique, CNRS, Univ. Paris Sud 11, 2, Avenue Augustin Fresnel 91127 Palaiseau Cedex (France)

We 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.

• OSTI ID: 22275717
• Journal Information: Applied Physics Letters, Vol. 104, Issue 2; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
DIPOLE MOMENTS
ELECTRIC FIELDS
NANOSTRUCTURES
PARTICLES
PHOTOVOLTAIC EFFECT
POLARIZATION
THIN FILMS