K. Nakamoto, S. Ide, K. Mori, K. Takabayashi, S. Sekiguchi, A. Hayakawa, H. Kuwatsuka
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High-Speed Wavelength Tuning of Tunable Distributed Amplification DFB-LD in Long Haul Transmission
We clarified for the first time the influence of tuning current noise on linewidth broadening and transmission for TDA-DFB-LD. Suppressing noise at higher frequencies, we demonstrated 300-ns high-speed wavelength switching without degradations in 80-km transmission.