PaperPolarization echoes and long-time storage in piezoelectric powdersR.L. Melcher, N.S. ShirenPhysical Review Letters
PaperGeneration of time-reversed wave fronts using a resonantly enhanced electronic nonlinearityD. Grischkowsky, N.S. Shiren, et al.Applied Physics Letters
PaperGeneration of time-reversed optical wave fronts by backward-wave photon echoesN.S. ShirenApplied Physics Letters