FIG 1 (IMAGE) Compuscript Ltd Caption Fig. 1 Schematics of the excitation and spatiotemporal FT modulation of SPP pulses. Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.