Her widescreen, acrobatic songs have dominated radios, karaoke nights and — most likely — a big portion of your memory.

研究者展示了一种单片集成半导体激光器。该激光器利用微波驱动信号，沿整个激光腔体引入时空增益调制，从而产生群速度连续可调的腔内锁模脉冲，实现了从4GHz到16GHz的连续可调重复频率。