Two-wave mixing by means of dynamic Bragg gratings recorded by saturation of absorption in erbium-doped fibers
Optics Letters, Vol. 29, Issue 12, pp. 1327-1329 (2004)
http://dx.doi.org/10.1364/OL.29.001327
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Abstract
We present experimental results of two-wave mixing in single-mode Er-doped optical fibers for which dynamic Bragg reflectance gratings are formed as a result of saturation of fiber-optic absorption (i.e., by means of the effect of spatial hole burning). The gratings are probed by the same recording waves at λ≈1549 nm and are detected as periodic changes of the intensity of light reflected from a Sagnac interferometer (with a piece of the doped fiber included) observed when periodic phase modulation is induced in one of the waves. Both rectangular and sinusoidal modulation were used, which permitted evaluation of the grating recording time (τg≈3 ms for OFS-Fitel EDF-HG980 fiber) and the grating amplitude, which proved to be approximately 6–7 times lower than expected from measurements of saturation of fiber-optic absorption by one wave only.
© 2004 Optical Society of America
OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(190.7070) Nonlinear optics : Two-wave mixing
Citation
S. Stepanov, E. Hernández, and M. Plata, "Two-wave mixing by means of dynamic Bragg gratings recorded by saturation
of absorption in erbium-doped fibers," Opt. Lett. 29, 1327-1329 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-12-1327
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