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Wideband and flat-gain optical amplification from 1460 to 1510 nm by serial combination of a thulium-doped fluoride fibre amplifier and fibre Raman amplifier

Wideband and flat-gain optical amplification from 1460 to 1510 nm by serial combination of a thulium-doped fluoride fibre amplifier and fibre Raman amplifier

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A wideband and flat-gain optical amplifier is realised for the wavelength band under the gain band of erbium-doped fibre amplifiers by serially connecting a thulium-doped fluoride fibre amplifier and a fibre Raman amplifier. A high gain of > 25 dB is obtained in the range 1460 – 1510 nm.

Inspec keywords: optical fibre amplifiers; thulium; laser transitions; optical fibre communication; Raman lasers; wavelength division multiplexing

Other keywords: 125 dB; wideband optical amplification; 1460 to 1510 nm; erbium-doped fibre amplifiers; flat-gain optical amplification; gain band; fibre Raman amplifier; thulium-doped fluoride fibre amplifier

Subjects: Stimulated Raman scattering and spectra; CARS; stimulated Brillouin and stimulated Rayleigh scattering and spectra; Design of specific laser systems; Fibre lasers and amplifiers; Multiplexing and switching in optical communication; Nonlinear optics and devices; Optical communication devices, equipment and systems; Fibre lasers and amplifiers

References

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      • S. Kawai , H. Masuda , K.I. Suzuki , K. Ada . Ultra-wide, 75 nm 3 dB gain-band opticalamplifier utilising gain-flattened erbium-doped fluoride fibre amplifier and discrete Raman amplification. Electron. Lett. , 897 - 898
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