Abstract
We experimentally observed negative group velocity in C60 toluene solution at the wavelength of 532 nm for the first time. The observed time advancement of the modulated signal appears to be due to the RSA (reverse saturable absorption) effect of the C60 molecule. The largest time advancement of 71.65 ms was obtained with a C60 sample of 1.5-mm length with the concentration of 1.39×10-3 mol/l; the corresponding group velocity was -0.021 m/s. We could control the group velocity by adjusting the modulation frequency and the input intensity.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
A. Kasapi, M. Jain, G.Y. Yin, S.E. Harris, Phys. Rev. Lett. 74, 2447 (1995)
L.V. Hau, S.E. Harris, Z. Dutton, C.H. Behroozi, Nature (London) 397, 594 (1999)
M.M. Kash, V.A. Sautenkov, A.S. Zibrov, L. Hollberg, G.R. Welch, M.D. Lukin, Y. Rostovtsev, E.S. Fry, M.O. Scully, Phys. Rev. Lett. 82, 5229 (1999)
A.V. Turukhin, V.S. Sudarshanam, M.S. Shahriar, J.A. Musser, B.S. Ham, P.R. Hemmer, Phys. Rev. Lett. 88, 023602 (2002)
M.S. Bigelow, N.N. Lepeshkin, R.W. Boyd, Phys. Rev. Lett. 90, 113903 (2003)
M.S. Bigelow, N.N. Lepeshkin, R.W. Boyd, Science 301, 200 (2003)
Y.D. Zhang, B.H. Fan, P. Yuan, Z.G. Ma, Chin. Phys. Lett. 21, 87 (2004)
E. Baldit, K. Bencheikh, P. Monnier, J.A. Levenson, V. Rouget, Phys. Rev. Lett. 95, 143601 (2005)
S.W. Chang, S.L. Chuang, P.C. Ku, C.J. Chang-Hasnain, P. Palinginis, H. Wang, Phys. Rev. B 70, 235333 (2004)
P. Palinginis, S. Crankshaw, F. Sedgwick, E.T. Kim, M. Moewe, C.J. Chang-Hasnain, H. Wang, S.L. Chuang, Appl. Phys. Lett. 87, 171102 (2005)
P. Palinginis, F. Sedgwick, S. Crankshaw, M. Moewe, C.J. Chang-Hasnain, Opt. Express 13, 9909 (2005)
J. Mørk, R. Kjaer, M.V.D. Poel, K. Yvind, Opt. Express 13, 8136 (2005)
H. Su, S.L. Chuang, Appl. Phys. Lett. 88, 061102 (2006)
S.W. Chang, S.L. Chuang, Phys. Rev. B 72, 235330 (2005)
P.F. Wu, D.V.G.L.N. Rao, Phys. Rev. Lett. 95, 253601 (2005)
E. Podivilov, B. Sturman, A. Shumelyuk, S. Odoulov, Phys. Rev. Lett. 91, 083902 (2003)
K.Y. Song, M. Herraez, L. Thevenaz, Opt. Express 13, 82 (2005)
J.Q. Liang, M. Katsuragawa, F.L. Kien, K. Hakuta, Phys. Rev. A 65, 031801 (2002)
M. Herráez, K.Y. Song, L. Thévenaz, Appl. Phys. Lett. 87, 081113 (2005)
V.P. Kalosha, L. Chen, X.Y. Bao, Phys. Rev. A 75, 021802 (2007)
C.H. Yuan, K.D. Zhu, Appl. Phys. Lett. 89, 052115 (2006)
Z.S. Yang, N.H. Kwong, R. Binder, A.L. Smirl, Opt. Lett. 30, 2790 (2005)
Y.A. Vlasov, M. O’Boyle, H.F. Hamann, S.J. McNab, Nature (London) 438, 65 (2005)
H.-Y. Tseng, J. Huang, A. Adibi, Appl. Phys. B 85, 493 (2006)
H. Wang, Y.D. Zhang, N. Wang, W.L. Yan, H. Tian, W. Qiu, P. Yuan, Appl. Phys. Lett. 90, 121107 (2007)
C.F. Li, Y.X. Wang, F.Y. Guo, R.B. Wang, L. Zhang, Acta Phys. Sin. 42, 1236 (1993)
Author information
Authors and Affiliations
Corresponding author
Additional information
PACS
42.65.-k; 42.50.Ct; 41.20.Jb
Rights and permissions
About this article
Cite this article
Zhang, Y., Wang, H., Ma, L. et al. Negative group velocity in C60 due to RSA effect. Appl. Phys. B 89, 141–143 (2007). https://doi.org/10.1007/s00340-007-2811-7
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00340-007-2811-7