Abstract: We report a casceded compact hybrid discrete Raman amplifier based on a bismuth-doped fiber and a $2\times 1$-km photonic crystal fiber, which enables broadband amplification in the 157-nm S ...
The speaker had planned to give moderate Republicans seeking an extension of the tax credits a vote on their proposal, but said on Tuesday it was simply “not to be.” By Michael Gold and Carl Hulse ...
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