[1] L. V. Hau, S. E. Harris, Z. Dutton et al.. Light speed reduction to 17 metres per second in an ultracold atomic gas[J]. Nature, 1999, 397(6720): 594~598
[2] L. J. Wang, A. Kuzmich, A. Dogariu. Gain-assisted superluminal light propagation[J]. Nature, 2000, 406(6793): 277~279
[3] M. S. Bigelow, N. N. Lepeshkin, R. W. Boyd. Observation of ultraslow light propagation in a ruby crystal at room temperature[J]. Phys. Rev. Lett., 2003, 90(11): 113903-1~4
[4] M. S. Bigelow, N. N. Lepeshkin, R. W. Boyd. Superluminal and slow light propagation in a room-temperature solid[J]. Science, 2003, 301(5630): 200~202
[5] Z. L., Y. Dong, Q. Li. Slow light in multi-line brillouin gain spectrum[J]. Opt. Express, 2006, 15(4): 1871~1877
[6] G. Zhang, F. Bo, R. Dong et al.. Phase-coupling-induced ultraslow light propagation in solids at room temperature[J]. Phys. Rev. Lett., 2004, 93(3): 133903-1~4
[7] K. Y. Song, M. G. Herráez, L. Thévenaz. Observation of pulse delaying and advancement in optical fibers using stimulated Brillouin scattering[J]. Opt. Express, 2004, 13(1): 82~88
[8] A. Schweinsberg, N. N. Lepeshkin, M. S. Bigelowl et al.. Observation of superluminal and slow light propagation in erbium-doped optical fiber[J]. Europhysics Letters, 2006, 73(2): 218~224
[9] H. Wang, Y. Zhang, N. Wang et al.. Observation of superluminal propagation at negative group velocity in C60 solution[J]. Appl. Phys. Lett., 2007, 90(12): 121107-1~3
[10] Y. Zhang, H. Wang, L. Ma et al.. Direct observation of signal evolution of slow and fast light in media with saturated and reverse saturated absorption[J]. Appl. Phys. B: Laers and Optics, 2007, 89(2~3): 141~143
[12] L. Yosef Mario, M. Koy Chin. Optical buffer with higher delay-bandwidth product in a two-ring system[J]. Opt. Express, 2008, 16(3): 1796~1807
[13] Z. Shi, R. W. Boyd, D. J. Gauthier et al.. Enhancing the spectral sensitivity of interferometers using slow-light media[J]. Opt. Lett., 2007, 32(8): 915~917
[14] Z. Shi, R. W. Boyd, R. M. Camacho et al.. Slow-light fourier transform interferometer[J]. Phys. Rev. Lett., 2007, 99(24): 240801-1~4
[15] W. Leupacher, A. Panzkofer. Refractive-index measurement of absorbing condensed media[J]. Appl. Opt., 1984, 23(10): 1554~1558