activity
20182024
most citedExceptional points in topological edge spectrum of PT symmetric domain walls

102 citations · 137 across the 7 of their papers we have counts for

collaborators

7 papers

physics.optics2024★ 2 cited

Data-driven model reconstruction for nonlinear wave dynamics

Ekaterina Smolina, Lev Smirnov, Daniel Leykam +2

The use of machine learning to predict wave dynamics is a topic of growing interest, but commonly-used deep learning approaches suffer from a lack of interpretability of the traine…

physics.optics2023★ 2 cited

Self-steepening-induced stabilization of nonlinear edge waves at photonic valley-Hall interfaces

Ekaterina O. Smolina, Lev A. Smirnov, Daniel Leykam +1

Localized nonlinear modes at valley-Hall interfaces in staggered photonic graphene can be described in the long-wavelength limit by a nonlinear Dirac-like model including spatial d…

physics.optics2022

Photonic quantum Hall effects

Daniel Leykam, Daria Smirnova

This article reviews the development of photonic analogues of quantum Hall effects, which have given rise to broad interest in topological phenomena in photonic systems over the pa…

physics.optics2022★ 2 cited

Boosting Topological Zero Modes Using Elastomer Waveguide Arrays

Angelina Frank, Daniel Leykam, Daria A. Smirnova +2

We employ the Su-Schrieffer-Heeger model in elastic polymer waveguide arrays to design and realize travelling topologically protected modes. The observed delocalization of the opti…

physics.optics2021★ 21 cited

Gradient catastrophe of nonlinear photonic valley-Hall edge pulses

Daria A. Smirnova, Lev A. Smirnov, Ekaterina O. Smolina +2

We derive nonlinear wave equations describing the propagation of slowly-varying wavepackets formed by topological valley-Hall edge states. We show that edge pulses break up even in…

physics.optics2018★ 8 cited

Parity anomaly laser

Daria A. Smirnova, Pramod Padmanabhan, Daniel Leykam

We propose a novel supersymmetry-inspired scheme for achieving robust single mode lasing in arrays of coupled microcavities, based on factorizing a given array Hamiltonian into its…

cond-mat.mes-hall2018★ 102 cited

Exceptional points in topological edge spectrum of PT symmetric domain walls

Xiang Ni, Daria Smirnova, Alexander Poddubny +3

We demonstrate that the non-Hermitian parity-time (PT) symmetric interfaces formed between amplifying and lossy crystals support dissipationless edge states. These PT edge states e…