本文介绍采用飞秒饱和吸收测量技术研究AlxGa1-xAs/GaAs多量子阱结构中受激载流子的超快弛豫特性.当激发光子能量大于样品势垒层能......

使用含镁摩尔分数为5%的掺镁铌酸锂晶体对57.4 fs脉冲在1550 nm通信波段进行了Ⅰ型(o o-e)和0型(e e-e)的倍频对比实验。对于Ⅰ型......

利用钛宝石飞秒激光超短脉冲抽运BBO晶体,产生Ⅰ型自发光参量下转换的双光子对,在实验上得到双光子对的四阶干涉现象,证明了双光子......

The presence of pulse front tilt (PFT), caused by angular dispersion (AD) in femtosecond laser pulses, could degrade the......

圆偏振飞秒激光泵浦氮气产生的无谐振腔激光效应在远程光学遥感方面具有非常重要的应用前景.然而，空气中氧气分子的存在显著地淬灭......

A pair of photons called signal and idler photons, respectively, are produced through the nonlinear process of type-I sp......