Light amplifier for multi-wavelength signals
作者： Kazuhisa Kaede
DOI:
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摘要: A multi-wavelength light amplifier comprises a for amplifying wavelength division multiplex signal with accompanying generation of spontaneous emission. An optical coupler is provided coupling from the to filter, such as Fabry-Perot filter. The filter has plurality spectral peaks transmittance and corresponding valleys reflectance, respectively wavelengths signal. further provides reflected an sink by which undesired emission absorbed.
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