Olga Smirnova is a prominent physicist known for her work in the field of attosecond physics and ultrafast optics. She has made significant contributions to the study of light-matter interactions and the development of techniques to generate and control light pulses on the timescale of attoseconds, which is one quintillionth of a second. Her research often involves the manipulation of electron dynamics in atomic and molecular systems, which has important implications for our understanding of fundamental processes in physics and chemistry.