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With the coherent era, a new parameter called OSNRwet is experimentally studied for "open cable" characterization. A +/+0.3dB maximum deviation from the average is found for 3 modulation formats, 3 channel spacings and 3 distances.
We show 80 × 200 Gb/s transmission over 321 km of low-loss fiber with third order Raman amplification without ROPA. We investigate narrow channel spacing down to 37.5 GHz, targeting a capacity of 21 Tb/s.
We present a 40 × 200 Gb/s unrepeatered transmission experiment of 4 b/s/Hz spectral efficiency over a record distance of 363 km applying co-Raman pumping at the transmitter and a ROPA with third-order Raman pumping at the receiver.
Pollution source estimation based on groundwater concentration measurements is an ill-posed inverse problem in that several different sources can supply similar observations. Consequently, constraints on the source must be added. Most of the works in the literature regularize the problem either by introducing parametric source models or by penalizing undesir able solutions. In our work, we use both...
Irradiation at 254 nm of the rat liver 40 S ribosomal subunit-poly(U)-Phe[ 32 P]tRNA complex induced a covalent linkage of tRNA with a limited number of ribosomal proteins. After RNA hydrolysis, S10 was found to be the protein most highly labeled by radioactive nucleotides. Some radioactivity was also associated with protein S6-6a, S3a, S2 and S13-15.
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