@article{LaihoPresslSchlageretal.2016,
  author    = {Laiho, K. and Pressl, B. and Schlager, A. and Suchomel, H. and Kamp, M. and H{\"o}fling, S. and Schneider, C. and Weihs, G.},
  title     = {Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation},
  series = {Nanotechnology},
  volume    = {27},
  journal   = {Nanotechnology},
  number    = {43},
  doi       = {10.1088/0957-4484/27/43/434003},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-187025},
  pages     = {434003},
  year      = {2016},
  abstract  = {We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching bandwidth we first determine the group refractive indices of the interacting modes via Fabry-Perot experiments in two distant wavelength regions. Second, by measuring the spectra of the emitted PDC photons, we gain access to their group index dispersion. Our results offer a simple approach for determining the PDC process parameters in the spectral domain, and provide important feedback for designing such sources, especially in the broadband case.},
  language  = {en}
}