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We present a planar magnetic metamaterial fabricated using 3D direct laser writing and silver chemical vapor deposition as well as a negative-index bi-anisotropic metamaterial metallized via silver shadow evaporation. Calculations and experiments show good agreement.
We fabricate planar magnetic photonic metamaterials via direct laser writing and silver chemical vapor deposition, an approach, which is also suitable for three-dimensional structures. Retrieval of the effective metamaterial parameters reveals the importance of bi-anisotropy.
We present a novel high-index-of-refraction (2.45) photoresist material based on erbium doped arsenic trisulfide. It shows room temperature photoluminescence at 1.5 microns wavelength, and can directly be used for direct laser writing.
We present a novel photonic heterostructure based on chiral 3D photonic crystals allowing for non-reciprocal transmission of light. We fabricate various corresponding structures by means of direct laser writing.
We report on the fabrication of three-dimensional icosahedral photonic quasicrystals for optical frequencies via direct laser writing. Optical diffraction patterns measured along the 5-fold axis reveal the expected 10-fold symmetry.
Using direct laser writing, we fabricate photoresist templates for 3D-2D-3D photonic crystal heterostructures. The optical properties of these structures are directly compared with scattering-matrix calculations, revealing good agreement, hence good sample quality.
Using direct laser writing, for the first time photonic crystal templates with fundamental stop bands at telecommunication wavelengths are realized. Their measured optical properties agree well with detailed simulations, revealing their excellent optical quality
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