4.8 Article

Spatially Localized Photoluminescence at 1.5 Micrometers Wavelength in Direct Laser Written Optical Nanostructures

Journal

ADVANCED MATERIALS
Volume 20, Issue 21, Pages 4097-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200801508

Keywords

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Funding

  1. Deutsche Forschungsgerneinschaft (DFG) [DFG-Fr 1671/4-3]
  2. State of Baden-Wurttemberg
  3. DFG-Center for Functional Nanostructures (CFN)
  4. Natural Sciences and Engineering Research Council of Canada (NSERC)
  5. Karlsruhe school of optics and photonics (KSOP)

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A 3D direct laser writing (3D DLW) compatible photoresist, consisting of erbium-doped arsenic trisulfide (Er:AS(2)S(3)) has been developed. This photoresist simultaneously possess a refractive index (n) of 2.45 and photoluminescence at 1.5 mu m wavelength that is also spatially localizable. This enables 3D DLW to produce high-refractive index photonic structures with spatially selective optical activity without the need for post-processing steps.

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