The measured back-to back power penalty was less than 1 dB with respect to 9 Gbitls RZ signal and was mainly due to finite pulsewidth ... (dBm) Figure 3 Top: Eye diagrams for the 36 Gbit/s OTDM signals; back-to-back (left) and after transmission over 63 km of SSMF (right). ... The additional 1 dB transmission penalty can be attributed to the amplifier at the end of transmission line. ... References 1 F.N. Timofeev at al, Electronics Letters, vol 35, No 20, (2001) 2 D. Arbel et al, paper We.
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