Abstract

Suppression of stimulated Raman scattering (SRS) is demonstrated in a cladding-pumped fiber amplifier. The Yb-doped amplifier fiber design incorporates a high-index ring that resonantly couples SRS wavelengths out of the gain material, thus filtering the gain. Modeling shows that fiber asymmetry plays an important role in the filtering spectrum.

© 2006 Optical Society of America

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References

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2005

2004

2003

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

2000

1978

Albin, S.

Andrejco, M. J.

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Berkey, G. E.

Bise, R. T.

J. M. Fini, R. T. Bise, M. Yan, A. D. Yablon, and P. Wisk, Opt. Express 13, 10022 (2005).
[CrossRef] [PubMed]

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Blondy, J.-M.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Chen, P.

Chen, X.

Crowley, A.

Dong, L.

Dussardier, B.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Espindola, R. P.

R. P. Espindola, T. A. Strasser, P. S. Westbrook, and P. F. Wysocki, 'Article comprising an L-Band optical fiber amplifier,' U.S. patent 6,141,142 (October 31, 2000).

Février, S.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Fini, J. M.

J. M. Fini, R. T. Bise, M. Yan, A. D. Yablon, and P. Wisk, Opt. Express 13, 10022 (2005).
[CrossRef] [PubMed]

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Gerome, F.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Gray, S.

Guo, S.

Leproux, P.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Li, M.

Marom, E.

Mermelstein, M. D.

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Monnom, G.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Rogowski, R. S.

Roy, P.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Ruffin, B.

Strasser, T. A.

R. P. Espindola, T. A. Strasser, P. S. Westbrook, and P. F. Wysocki, 'Article comprising an L-Band optical fiber amplifier,' U.S. patent 6,141,142 (October 31, 2000).

Tai, H.

Viale, P.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

Walton, D.

Wang, J.

Weidman, D. L.

Westbrook, P. S.

R. P. Espindola, T. A. Strasser, P. S. Westbrook, and P. F. Wysocki, 'Article comprising an L-Band optical fiber amplifier,' U.S. patent 6,141,142 (October 31, 2000).

Wisk, P.

Wisk, P. W.

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Wu, F.

Wysocki, P. F.

R. P. Espindola, T. A. Strasser, P. S. Westbrook, and P. F. Wysocki, 'Article comprising an L-Band optical fiber amplifier,' U.S. patent 6,141,142 (October 31, 2000).

Yablon, A. D.

J. M. Fini, R. T. Bise, M. Yan, A. D. Yablon, and P. Wisk, Opt. Express 13, 10022 (2005).
[CrossRef] [PubMed]

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Yan, M.

Yan, M. F.

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

Yariv, A.

Yeh, P.

Zenteno, L.

Electron. Lett.

S. Février, P. Viale, F. Gerome, P. Leproux, P. Roy, J.-M. Blondy, B. Dussardier, and G. Monnom, Electron. Lett. 39, 1240 (2003).
[CrossRef]

J. Lightwave Technol.

J. Opt. Soc. Am.

Opt. Express

Other

J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, in Optical Fiber Communication Conference (OFC) (Optical Society of America, 2006), paper OThJ4.

R. P. Espindola, T. A. Strasser, P. S. Westbrook, and P. F. Wysocki, 'Article comprising an L-Band optical fiber amplifier,' U.S. patent 6,141,142 (October 31, 2000).

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Figures (6)

Fig. 1
Fig. 1

(a) Measured index profile and (b) photograph of a fabricated filter fiber with a high-index cladding ring.

Fig. 2
Fig. 2

While signal light remains in the core, filtered “noise” wavelengths are guided in mixed core-ring modes and so have reduced interaction with the gain.

Fig. 3
Fig. 3

Index-matched resonant coupling is illustrated by simulated effective index (left) and core fraction (right) as a function of wavelength. Our simple model estimates gain filtering using the fraction of power in the core for calculated modes (dots, with maximum value shown solid). The core fraction reduction (right plot, right axis) is this core fraction of the dominant filter fiber mode normalized to the step-index fiber core mode.

Fig. 4
Fig. 4

Gain filtering can be inferred from differences in the measured spectra of ASE generated in a filter fiber and reference fiber. SMF, single-mode fiber; OSA, optical spectrum analyzer.

Fig. 5
Fig. 5

Gain-filtering estimates (a) including fiber asymmetry are compared with ASE measurements. (b)–(e) Nonsymmetrical field profiles (square-root intensity on a linear color map) are plotted for calculated modes at the indicated wavelengths.

Fig. 6
Fig. 6

Cladding-pumped fiber amplifier (a) demonstrates suppression of SRS for the filter fiber (c) relative to the reference fiber (b). CPFL, cladding-pumped fiber laser; AOM, acousto-optic modulator; LD, laser diode; ISO, isolator; TFB, tapered fiber bundle; FUT, fiber under test.

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