685 citations · 979 across the 3 of their papers we have counts for
3 papers
PT-Symmetric Talbot Effects
Hamidreza Ramezani, D. N. Christodoulides, V. Kovanis +2
We show that complex PT-symmetric photonic lattices can lead to a new class of self-imaging Talbot effects. For this to occur, we find that the input field pattern, has to respect…
Bypassing the bandwidth theorem with PT symmetry
Hamidreza Ramezani, J. Schindler, F. M. Ellis +2
The beat time τ_{fpt} associated with the energy transfer between two coupled oscillators is dictated by the bandwidth theorem which sets a lower bound τ_{fpt}\sim 1/δω. We show, b…
Unidirectional Nonlinear PT-symmetric Optical Structures
Hamidreza Ramezani, Tsampikos Kottos, Ramy El-Ganainy +1
We show that non-linear optical structures involving a balanced gain-loss profile, can act as unidirectional optical valves. This is made possible by exploiting the interplay betwe…