A saturable absorber, coherent population oscillations, and slow light
- 209 Downloads
The paper presents a critical analysis of publications on one of the methods of creating so-called slow light (light with an anomalously low group velocity) arising due to a high steepness of the refractive index dispersion curve. The method employs, for this purpose, the effect of coherent population oscillations accompanied by burning of a narrow spectral hole in the homogeneously broadened absorption spectrum. The interpretation of the experimental data in the studies under consideration is based on the analysis of the response of a nonlinear medium to a low-frequency intensity modulation of the propagating light beam. We show that all the observations of these papers can be easily interpreted in the framework of the simplest model of a saturable absorber and have nothing to do with the hole burning effect or group velocity reduction.
Unable to display preview. Download preview PDF.
- 5.M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).Google Scholar
- 7.E. Baldit, K. Bencheikh, P. Monnier, et al., LANL, arXiv: ccsd-00004377 (2005).Google Scholar
- 9.R. W. Boyd, D. J. Gauthier, A. L. Gaeta, and A. E. Willner, Phys. Rev. A 71, 023 801 (2005).Google Scholar
- 13.E. V. Baklanov and V. P. Chebotaev, Zh. Éksp. Teor. Fiz. 61, 922 (1971).Google Scholar
- 17.F. Gires and F. Combaud, J. Phys. 26, 325 (1965).Google Scholar