Abstract
We successfully fabricate three-mode erbium doped fiber with a confined Er3+ doped ring structure and experimentally characterize the amplifier performance with a view to mode-division multiplexed (MDM) transmission. The differential modal gain was effectively mitigated by controlling the relative thickness of the ring-doped layer in the active fiber and pump launch conditions. A detailed study of the modal gain properties, amplifier performance in a MDM transmission system and inter-modal cross-gain modulation and associated transient effects is presented.
| Original language | English |
|---|---|
| Pages (from-to) | 10383-10392 |
| Number of pages | 10 |
| Journal | Optics Express |
| Volume | 21 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 22 Apr 2013 |
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