Abstract
We analyze the physical mechanisms limiting optical fiber resonator length and report on the longest ever laser cavity, reaching 270 km, which shows a clearly resolvable mode structure with a width of ~120??Hz and peak separation of ~380Hz in the radio-frequency spectrum.
| Original language | English |
|---|---|
| Article number | 133901 |
| Pages (from-to) | 133901 |
| Number of pages | 1 |
| Journal | Physical Review Letters |
| Volume | 103 |
| Issue number | 13 |
| DOIs | |
| Publication status | Published - 21 Sept 2009 |
Bibliographical note
© 2009 The American Physical SocietyKeywords
- photonics
- ultralong raman fibre laser
- optical fibres