270-km Ultralong Raman Fiber Laser

Sergei K. Turitsyn, Juan Diego Ania‐Castañón, Sergey A. Babin, V. Karalekas, Paul Harper, Dmitry V. Churkin, S. I. Kablukov, A. E. El-Taher, E. V. Podivilov, Vladimir Mezentsev

Physical Review Letters · 2009 · 94 citations · 14 references

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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 approximately 120 Hz and peak separation of approximately 380 Hz in the radio-frequency spectrum.

References

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