Detailed study of four-wave mixing in Raman DFB fiber lasers | Zendy

Jindan Shi | Zendy; Péter Horák | Zendy; Shaif-ul Alam | Zendy; M. Ibsen | Zendy

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Detailed study of four-wave mixing in Raman DFB fiber lasers

Author(s) -

Jindan Shi,

Péter Horák,

Shaif-ul Alam,

M. Ibsen

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.022917

Subject(s) - optics , materials science , four wave mixing , laser , fiber laser , dispersion shifted fiber , distributed feedback laser , energy conversion efficiency , photonic crystal fiber , optoelectronics , optical fiber , wavelength , nonlinear optics , fiber optic sensor , physics

We both experimentally and numerically studied the ultra-compact wavelength conversion by using the four-wave mixing (FWM) process in Raman distributed-feedback (R-DFB) fiber lasers. The R-DFB fiber laser is formed in a 30 cm-long commercially available Ge/Si standard optical fiber. The internal generated R-DFB signal acts as the pump wave for the FWM process and is in the normal dispersion range of the fiber. Utilizing a tunable laser source as a probe wave, FWM frequency conversion up to ~40 THz has been demonstrated with conversion efficiency > -40 dB. The principle of such a wide bandwidth and high conversion efficiency in such a short R-DFB cavity has been theoretically analyzed. The simulation results match well with the experimental data.

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