OPTICAL SIGNAL PROCESSOR

PROBLEM TO BE SOLVED: To provide an optical signal processor which realizes routing for changing over multiple SDM channels with maximum degree of freedom, by using a small scale switch.SOLUTION: An optical signal processor includes an input transmission path group 1 including multiple transmission paths 1a, 1b, 1c having the same route each other, multiple output transmission path groups 9, 10, 11 including multiple transmission paths 9a, 9b, 9c, 10a, 10b, 10c, 11a, 11b, 11c having the same route each other, and a first optical exchange device 3 and second optical exchange devices 5a, 5b, 5c for routing optical signals from the transmission paths 1a, 1b, 1c of the input transmission path group to arbitrary transmission paths 9a, 9b, 9c, 10a, 10b, 10c, 11a, 11b, 11c of the multiple output transmission path groups 9, 10, 11. The first optical exchange device 3 selects the transmission paths 9a, 9b, 9c, 10a, 10b, 10c, 11a, 11b, 11c to be connected, and the second optical exchange devices 5a, 5b, 5c select the output transmission path groups 9, 10, 11.SELECTED DRAWING: Figure 2 【課題】小さい規模のスイッチを用いて、複数のＳＤＭチャネルを最大限の自由度で切り替える経路選択を実現する光信号処理装置を提供する。【解決手段】互いに同じ方路を有する複数の伝送路１ａ、１ｂ、１ｃを含む入力伝送路群１と、互いに同じ方路を有する複数の伝送路９ａ、９ｂ、９ｃ、１０ａ、１０ｂ、１０ｃ、１１ａ、１１ｂ、１１ｃをそれぞれに含む複数の出力伝送路群９、１０、１１と、入力伝送路群の伝送路１ａ、１ｂ、１ｃからの光信号を複数の出力伝送路群９、１０、１１の任意の伝送路９ａ、９ｂ、９ｃ、１０ａ、１０ｂ、１０ｃ、１１ａ、１１ｂ、１１ｃにルーティングする第１の光交換装置３および第２の光交換装置５ａ、５ｂ、５ｃとを備える。第１の光交換装置３は、接続する伝送路９ａ、９ｂ、９ｃ、１０ａ、１０ｂ、１０ｃ、１１ａ、１１ｂ、１１ｃを選択し、第２の光交換装置５ａ、５ｂ、５ｃは、出力伝送路群９、１０、１１を選択する。【選択図】図２