The broad-band amplifiers must be able to amplify the short wavelength band (S-band) in addition to the C- and L-bands. Thulium-doped fibre amplifiers (TDFAs) are a promising candidate for the S-band amplification.
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The broad-band amplifiers must be able to amplify the short wavelength band (S-band) in addition to the C- and L-bands. Thulium-doped fibre amplifiers (TDFAs) are a promising candidate for the S-band amplification. This book reviews TDFA's structure and its amplification mechanism.
