Abstract

The effect of Brillouin slow light on distributed Brillouin fiber sensors (DBFSs) is studied. We demonstrate Brillouin slow light for a 1.2ns pulse with peak powers (PS) from 3.3 to 56.2mW on depletion of the pump power (PP) ranging from 1.3 to 83.2mW in conventional optical fibers (SMF-28). Experiments show that, when pump power depletion is not negligible, for a given PP the Brillouin gain and delay time of a pulse decrease when PS increases in a long (10km) sensing fiber. The optimum pump beam depletion resulting from strong interaction of the pump and the probe in the fiber provides accurate temperature and strain information at a high spatial resolution. Our study reveals that at low PP the spatial resolution error caused by the pulse delay for a DBFS with centimeter spatial resolution is less than 5% of the pulse length.

© 2006 Optical Society of America

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    [CrossRef] [PubMed]
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    [CrossRef]

2006 (2)

L. Thévenaz, K. Y. Song, and M. G. Herráez, Opt. Lett. 31, 715 (2006).
[CrossRef] [PubMed]

M. G. Herráez, K. Y. Song, and L. Thévenaz, Opt. Lett. 14, 1395 (2006).

2005 (5)

2003 (1)

1993 (1)

Bao, X.

Bigelow, M. S.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Boyd, R. W.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Chen, Liang

Dahan, D.

Eisenstein, G.

Gaeta, A. L.

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Gauthier, D. J.

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Herráez, M. G.

Jackson, D. A.

Okawachi, Y.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Schweinsberg, A.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Sharping, J. E.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Song, K. Y.

Thévenaz, L.

Wan, Y.

Webb, D. J.

Willner, A. E.

Zhu, Z.

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, J. Opt. Soc. Am. B 22, 2378 (2005).
[CrossRef]

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, Phys. Rev. Lett. 94, 153902 (2005).
[CrossRef] [PubMed]

Zou, L.

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Figures (5)

Fig. 1
Fig. 1

Experimental setup.

Fig. 2
Fig. 2

Observation of slow light obtained via SBS in an optical fiber; temporal evolution of the Stokes pulses emitted from the 10 km fiber for P P = 0 (dotted curve) and P P = 5.1 mW (solid curve) for 1.2 ns input Stokes pulses with P S = 26.3 mW .

Fig. 3
Fig. 3

Δ T d as a function of the Brillouin gain for a 1.2 ns pulse in 1 and 10 km sensing fibers ( P S = 26.3 mW , and P P was varied from 1.3 mW to 83.2 mW ).

Fig. 4
Fig. 4

Delay time and Brillouin gain as a function of P S for 1.2 ns pulse in 1 and 10 km sensing fibers, in which P P = 3.2 mW .

Fig. 5
Fig. 5

Time domain profile at ν B = 12,766 MHz , with ten valleys and nine peaks corresponding to ten strain sections and nine loose sections, respectively, in which P S = 26.3 mW and P P values were (a) 6.4 mW , (b) 3.2 mW , and (c) 1.6 mW .

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