| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical signal processing device equipped with a transponder aggregator function that does not increase the principle loss irrespective of an increase in the number of necessary transponders.SOLUTION: An optical signal inputted from input ports a, b, c is inputted to a PLC 10. SBTs 11_0 to 11_4 are installed in the PLC 10, with the input ports a, b, c connected to the input-side SBT 11_0 and a plane wave outputted from the output end of the PLC 10 to a space side at an angle differing for each input port. The optical signal outputted from the PLC 10 has its optical path converted within an x-z plane by a cylindrical lens Lsp having refractive action in the direction of an axis x, and reflected at different areas A, B, C of LCOS corresponding to each of the input port positions a, b, c. The reflected optical signal is entered to the SBTs 11_1 to 11_4 on the output side of the PLC 10 and outputted to output ports 1-4 via confluent parts 13_1 to 13_4.SELECTED DRAWING: Figure 1 |
