Improving the intensity and efficiency of compressed echo in rare-earth-ion-doped crystal

Ma Xiu-Rong^{1, 2}, Liang Yu-Qing^{1, †,}, Wang Song¹, Zhang Shuang-Gen^{1, 2}, Shan Yun-Long¹

Simulation of compressed echo whose full width at half magnitude (FWHM) is 1 ns. The time width τ_cp of the compressed echo is obviously narrow, which approaches the theoretical value 1/B ≈ 0.83 ns. Our simulation result is quite close to the experiment result (FWHM is 0.9 ns) in Ref. [3].