%0 Journal Article %A Markus Pollnau %A Yaroslav E. Romanyuk %T Optical waveguides in laser crystals %J Comptes Rendus. Physique %D 2007 %P 123-137 %V 8 %N 2 %I Elsevier %R 10.1016/j.crhy.2006.04.002 %G en %F CRPHYS_2007__8_2_123_0