Electric-Field-Induced Second Harmonic Generation at a Reconfigurable LaAlO${}_3$/SrTiO${}_3$ Nanojunction

Pubudu Wijesinghe, Melanie Dieterlen, Kyoungjun Lee +5

Electrically tunable nonlinear optical responses at the nanoscale remain challenging to achieve because conventional nonlinear materials lack the combination of large susceptibilit…