脉冲持续时间对孔宽和孔深的影响

Research of hole width and depth on laser duration in spectral hole burning

由光学Bloch方程出发,从理论上计算了孔宽和孔深与脉冲持续时间的关系,并讨论了二能级系统光谱烧孔中孔宽和孔深与激光脉冲持续时间的关系.结果表明,在强场下短脉冲烧孔中,用π脉冲可以得到足够深且宽度小于稳态值的孔.

With the transient solutions of optical Bloch equation the dependences of hole width and depth on the burning pulse duration have been discussed in spectral hole burning of two level system.With a strong and short π pulse ,a deep hole can be burnt mode which width is much narrower than the steady state one predicted by optical bloch equation safficient.