| 摘要 |
Disclosed is an optical network which has: wavelength tunable optical transmitters of number MN, where N is an integer of two or more, each of which outputs an optical signal with arbitrary one of M wavelengths lambd1, lambd2, . . . , lambdM, where M is an integer of two or more, that are different from one another; a MNxN optical switch whose input ports are connected to the respective wavelength tunable optical transmitters of number MN, and which allows optical signals input to different input ports to be output form its same output port; 1xM optical wavelength demultiplexers of number N which output demultiplexing optical signal with wavelengths lambd1, lambd2, . . . , lambdM input from output ports of the MNxN optical switch into each wavelength; and optical receivers of number MN which receive optical signals input from the 1xM optical wavelength demultiplexers of number N.
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