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physics.optics2013★ 99 cited
-symmetry breaking in a necklace of coupled optical waveguides
I V Barashenkov, L Baker, N V Alexeeva
We consider parity-time () symmetric arrays formed by optical waveguides with gain and waveguides with loss. When the gain-loss coefficient exceeds a critical…
physics.optics2013★ 61 cited
Actively coupled optical waveguides
N. V. Alexeeva, I. V. Barashenkov, K. Rayanov +1
We consider light propagation through a pair of nonlinear optical waveguides with absorption, placed in a medium with power gain. The active medium boosts the in-phase component of…