Abstract

In this paper, we investigate slow light via stimulated Brillouin scattering (SBS) in a room temperature optical fiber that is pumped by a spectrally broadened laser. Broadening the spectrum of the pump field increases the linewidth Δω<sub>P</sub> of the Stokes amplifying resonance, thereby increasing the slow-light bandwidth. One physical bandwidth limitation occurs when the linewidth becomes several times larger than the Brillouin frequency shift Ω<sub>B</sub> so that the anti-Stokes absorbing resonance substantially cancels out the Stokes amplifying resonance and, hence, the slow-light effect. We find that partial overlap of the Stokes and anti-Stokes resonances can actually lead to an enhancement of the slow-light delay-bandwidth product when Δω<sub>P</sub> ~ or = 1.3 Ω<sub>B</sub>. Using this general approach, we increase the Brillouin slow-light bandwidth to over 12 GHz from its nominal linewidth of ~30 MHz obtained for monochromatic pumping. We controllably delay 75-ps-long pulses by up to 47 ps and study the data-pattern dependence of the broadband SBS slow-light system.

© 2007 IEEE

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2006 (3)

D. J. Gauthier, A. L. Gaeta, R. W. Boyd, "Slow light: From basics to future prospects," Photon. Spectra 40, 44-50 (2006).

R. W. Boyd, D. J. Gauthier, A. L. Gaeta, "Applications of slow-light in telecommunications," Optics Photon. News 17, 19-23 (2006).

M. G. Herráez, K. Y. Song, L. Thévenaz, "Arbitrary-bandwidth Brillouin slow light in optical fibers," Opt. Express 14, 1395-1400 (2006).

2005 (10)

D. Gauthier, "Slow light brings faster communication," Phys. World 18, 30-32 (2005).

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, A. L. Gaeta, "Tunable all-optical delays via Brillouin slow light in an optical fiber," Phys. Rev. Lett. 94, 153902-1-153902-4 (2005).

M. G. Herráez, K. Y. Song, L. Thévenaz, "Optically controlled slow and fast light in optical fibers using stimulated Brillouin scattering ," Appl. Phys. Lett. 87, 081113-1-081113-3 (2005).

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, A. E. Willner, "Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber," J. Opt. Soc. Amer. B, Opt. Phys. 22, 2378-2384 (2005).

R. W. Boyd, D. J. Gauthier, A. L. Gaeta, A. E. Willner, "Maximum time delay achievable on propagation through a slow-light medium," Phys. Rev. A, Gen. Phys. 71, 023801-1-023801-4 (2005).

K. Y. Song, M. G. Herráez, L. Thévenaz, "Observation of pulse delaying and advancement in optical fibers using stimulated Brillouin scattering," Opt. Express 13, 82-88 (2005).

K. Y. Song, M. G. Herráez, L. Thévenaz, "Long optically controlled delays in optical fibers," Opt. Lett. 30, 1782-1784 (2005).

J. E. Sharping, Y. Okawachi, A. L. Gaeta, "Wide bandwidth slow light using a Raman fiber amplifier," Opt. Express 13, 6092-6098 (2005).

D. Dahan, G. Eisenstein, "Tunable all optical delay via slow and fast light propagation in a Raman assisted fiber optical parametric amplifier: A route to all optical buffering," Opt. Express 13, 6234-6249 (2005).

M. D. Stenner, M. A. Neifeld, Z. Zhu, A. M. C. Dawes, D. J. Gauthier, "Distortion management in slow-light pulse delay," Opt. Express 13, 9995-10 002 (2005).

Appl. Phys. Lett. (1)

M. G. Herráez, K. Y. Song, L. Thévenaz, "Optically controlled slow and fast light in optical fibers using stimulated Brillouin scattering ," Appl. Phys. Lett. 87, 081113-1-081113-3 (2005).

J. Opt. Soc. Amer. B, Opt. Phys. (1)

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, A. E. Willner, "Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber," J. Opt. Soc. Amer. B, Opt. Phys. 22, 2378-2384 (2005).

Opt. Express (5)

Opt. Lett. (1)

Optics Photon. News (1)

R. W. Boyd, D. J. Gauthier, A. L. Gaeta, "Applications of slow-light in telecommunications," Optics Photon. News 17, 19-23 (2006).

Photon. Spectra (1)

D. J. Gauthier, A. L. Gaeta, R. W. Boyd, "Slow light: From basics to future prospects," Photon. Spectra 40, 44-50 (2006).

Phys. Rev. A, Gen. Phys. (1)

R. W. Boyd, D. J. Gauthier, A. L. Gaeta, A. E. Willner, "Maximum time delay achievable on propagation through a slow-light medium," Phys. Rev. A, Gen. Phys. 71, 023801-1-023801-4 (2005).

Phys. Rev. Lett. (1)

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z. Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, A. L. Gaeta, "Tunable all-optical delays via Brillouin slow light in an optical fiber," Phys. Rev. Lett. 94, 153902-1-153902-4 (2005).

Phys. World (1)

D. Gauthier, "Slow light brings faster communication," Phys. World 18, 30-32 (2005).

Other (4)

R. W. Boyd, D. J. Gauthier, Progress in Optics (Elsevier, 2002) pp. 497-530.

Z. Zhu, A. M. C. Dawes, D. J. Gauthier, L. Zhang, A. E. Willner, "12-GHz-bandwidth SBS slow light in optical fibers," Optical Fiber Commun. Conf. AnaheimCA (2006) Paper PDP1.

Handbook of Mathematical Functions (Dover, 1974).

L. Zhang, T. Luo, W. Zhang, C. Yu, Y. Wang, A. E. Willner, "Optimizing operating conditions to reduce data pattern dependence induced by slow light elements ," Optical Fiber Commun. Conf. AnaheimCA (2006) Paper OFP7.

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