Abstract
An erbium power amplifier is used to give a system launch power in excess of +20 dBm. In conjunction with an FSK modulation technique this allows unrepeatered transmission over 250 km of step-index fibre with a loss of 50 dB and a total dispersion of 3930 ps nm-1.
| Original language | English |
|---|---|
| Pages (from-to) | 528-530 |
| Number of pages | 3 |
| Journal | Electronics letters |
| Volume | 26 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 14 Apr 1990 |