| http://www.w3.org/ns/prov#value | - The multi-wavelength optical batch amplification apparatus shown includes a plurality of optical signal sources 1-1 to 1-N (N is a natural number) for outputting a plurality of optical signals having different wavelengths from each other, a plurality of optical signal input lines 2-1 to 2-N for transmitting the optical signals of the different wavelengths from the optical signal sources 1-1 to 1-N
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