Abstract

We investigate the reflected field for few-cycle ultra-short laser pulses propagating through resonant media embedded within wavelength-scale structures. Full-wave Maxwell–Bloch equations are solved numerically by using the finite-difference time-domain method. The results show that the spectral feature of the reflected spectrum is determined by the Bragg reflection condition, and that the periodic structure of a dense atomic system can be regarded as a one-dimensional photonic crystal and even as a highly reflective multilayer film. Our study explains the suppression of the frequency shifts in the reflected spectrum based on the Bragg reflection theory and provides a method to control the frequency and frequency intervals of the spectral spikes in the reflected spectrum.

© 2015 Chinese Laser Press

Polariton local states in periodic Bragg multiple-quantum-well structures

Lev I. Deych, A. Yamilov, and A. A. Lisyansky
Opt. Lett. 25(23) 1705-1707 (2000)

Quantum reflection of atoms from a periodic dipole potential

N. Friedman, R. Ozeri, and N. Davidson
J. Opt. Soc. Am. B 15(6) 1749-1756 (1998)

Reflective structure for phase-shifted fiber Bragg grating

Lin Lu, Yuanhong Yang, and Wei Jin
Opt. Lett. 48(2) 355-358 (2023)

Antireflection coating for quantum-well Bragg structures

Zhenshan Yang, J. E. Sipe, N. H. Kwong, R. Binder, and Arthur L. Smirl
J. Opt. Soc. Am. B 24(8) 2013-2022 (2007)

Periodic structural defects in Bragg gratings and their application in multiwavelength devices

Rulei Xiao, Yuechun Shi, Renjia Guo, Ting Chen, Lijun Hao, and Xiangfei Chen
Photon. Res. 4(2) 35-40 (2016)