Erbium-Doped Waveguide Laser in Tantalum Pentoxide Subramani, Ananth Z. ; Oton, Claudio J. ; Shepherd, David P. ; Wilkinson, James S. Abstract Publication: IEEE Photonics Technology Letters Pub Date: November 2010 DOI: 10.1109/LPT.2010.2072495 Bibcode: 2010IPTL...22.1571S