arXiv:1805.12058 · Optics Express
High-birefringence direct UV-written waveguides for use as heralded single-photon sources at telecommunication wavelengths
Matthew T. Posner, T. Hiemstra, Paolo L. Mennea, Rex H. S. Bannerman, Ulrich B. Hoff, A. Eckstein, W. Steven Kolthammer, Ian A. Walmsley, Devin H. Smith, James C. Gates, Peter G. R. Smith