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Using effective medium theories to design tailored nanocomposite materials for optical systems
Daniel Werdehausen, Isabelle Staude, Sven Burger +4
Modern optical systems are subject to very restrictive performance, size and cost requirements. Especially in portable systems size often is the most important factor, which necess…
Design rules for customizable optical materials based on nanocomposites
Daniel Werdehausen, Isabelle Staude, Sven Burger +4
Nanocomposites with tailored optical properties can provide a new degree of freedom for optical design. However, despite their potential these materials remain unused in bulk appli…
Efficient polarization insensitive complex wavefront control using Huygens' metasurfaces based on dielectric resonant meta-atoms
Katie E. Chong, Lei Wang, Isabelle Staude +8
Subwavelength-thin metasurfaces have shown great promises for the control of optical wavefronts, thus opening new pathways for the development of efficient flat optics. In particul…
High-efficiency light-wave control with all-dielectric optical Huygens' metasurfaces
Manuel Decker, Isabelle Staude, Matthias Falkner +5
Optical metasurfaces have developed as a breakthrough concept for advanced wave-front engineering enabled by subwavelength resonant nanostructures. However, reflection and/or absor…
Electro-optical switching by liquid-crystal controlled metasurfaces
Manuel Decker, Christian Kremers, Alexander Minovich +6
We study the optical response of a metamaterial surface created by a lattice of split-ring resonators covered with a nematic liquid crystal and demonstrate millisecond timescale sw…
Tapered Yagi-Uda Nanoantennas for Broadband Unidirectional Emission
Isabelle Staude, Ivan S. Maksymov, Manuel Decker +4
We demonstrate experimentally the operation of tapered Yagi-Uda nanoantennas for broadband unidirectional emission enhancement. The measured transmittance spectra show that, in com…