%0 Journal Article %T Influence of thermal isolating grooves on the performance of the Mach-Zehnder interferometer-type thermo-optic variable optical attenuator %A He, Yuejiao %J Optical Engineering %V 44 %N 4 %P 040504-040504-2 %@ 0091-3286 %D 2005-04-01 %I SPIE %~ DeepDyve