%0 Journal Article %T Ultra-fast out-of-band 1+1 protection using a WDM backup channel and a tunable receiver %A Hu, Peigang %J Proceedings of SPIE %V 6022 %N 1 %P 602215-602215-8 %@ 0277-786X %D 2005-11-24 %I SPIE %~ DeepDyve