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期刊论文
40-Gb/s RZ Signal Transmission in a Transparent Network Based on Wavelength-Selective Optical Cross Connect
IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 15, NO.10, OCTOBER 2003，-0001，（）：
We investigate 40-Gb/s return-to-zero signal transmission in a transparent optical network equipped with wavelength-selective optical cross connects (WSOXCs). The investigation is performed in a recirculating loop setup consisting of 4100-km spans of transmission fiber. A WSOXC is placed inside the loop to mimic cascaded WSOXCs with a spacing of 400kmz. We study various degradation effects in the system, particularly those of node loss and optical filtering. value measurements of the received signal were carried out at different transmission distances and WSOXC loss conditions. A value of 15.5dB was measured at 1200-km distance with two cascaded WSOXCs of which the node loss is 17dB.
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