Abstract
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 400 km. We study various degradation effects in the system, particularly those of node loss and optical filtering. Q value measurements of the received signal were carried out at different transmission distances and WSOXC loss conditions. A Q value of 15.5 dB was measured at 1200-km distance with two cascaded WSOXCs of which the node loss is 17 dB.
| Original language | English |
|---|---|
| Pages (from-to) | 1467-1469 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 15 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 2003 |
| Externally published | Yes |
Keywords
- Filter distortion
- Networks
- Nonlinear optics
- Optical fiber communication
- Optical fiber polarization
- Optical noise
- Optical switches
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