| 摘要 |
An optical wavelength conversion device comprising: a modulating signal generating unit for generating a modulating signal; an optical modulating unit for modulating input light by the modulating signal; and wavelength select means for extracting only a necessary component from an optical signal generated by the optical modulating unit. In the optical wavelength conversion device, the optical modulating unit may be an amplitude modulator or a phase modulator. The modulating signal may be an electrical signal or an optical signal. When the modulating signal is an optical signal, the optical signal consists preferably of light of a plurality of wavelength components.
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