Abstract
We report on the results of a field trial carried out on a Telecom Italia metro link, targeting short data center interconnect applications. The test-bed presented realistic transmission conditions, such as an average 0.3-dB/km attenuation and usage of legacy erbium-doped fiber amplifier (EDFA) only. We transmitted a net bit rate of 400 Gb/s on a single carrier with 64 quadrature amplitude modulation (QAM) and 128QAM over 156 km. Error-free transmission over 80 km for single carrier dense wavelength-division multiplexing (DWDM) 30 × 400 G 64QAM and 30 × 400 G 128QAM (one half of the C-band) is reported. The net spectral efficiency, for both schemes, is 7.11 b/s/Hz.
| Original language | English |
|---|---|
| Article number | 7756309 |
| Pages (from-to) | 189-192 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 29 |
| Issue number | 2 |
| DOIs | |
| State | Published - 15 Jan 2017 |
Keywords
- Digital signal processing
- data center interconnects
- digital pre-distortion
- high-order modulation formats
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