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 |
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Pages (from-to) | 528-530 |
Number of pages | 3 |
Journal | Electronics letters |
Volume | 26 |
Issue number | 8 |
DOIs | |
Publication status | Published - 14 Apr 1990 |