Optimization of quantum trajectories driven by strong-field waveforms - Haessler, S; Balciunas, T; Fan, G; Andriukaitis, G; Pugzlys, A; Baltuska, A; Witting, T; Squibb, R; Zair, A; Tisch, JWG; Marangos, JP; Chipperfield, LE (Physical Review X, 2014)