Detail publikace

Dynamics and transport properties of Floquet topological edge modes in coupled photonic waveguides

PETRÁČEK, J. KUZMIAK, V.

Originální název

Dynamics and transport properties of Floquet topological edge modes in coupled photonic waveguides

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

We study theoretically the Floquet edge states in a photonic analog of the driven Su-Schrieffer-Heeger model implemented by an array of identical single-mode dielectric waveguides, where the time-dependent driving is modeled by periodically bended waveguides. We combine the coupled-mode theory with the Floquet-Bloch analysis and within this framework determine a band structure of the periodic system. We develop a theoretical approach for calculation of the edge states in semi-infinite systems and investigate their topological properties. In particular, we explore the dynamics of the 0- and pi-edge states which reveal profound differences depending on their topological phase. To verify our observations, we simulate the power transport along the end of such a waveguide array and show that its spectra can be assigned to the excitation of the edge modes. The results obtained indicate that driving-induced topological properties of the edge modes can be exploited in controlling flow of light in periodically driven photonic structures and may provide insight into Floquet engineering of the realistic photonic systems.

Klíčová slova

topological photonics; Floquet edge statess; Su-Schrieffer-Heeger model; coupled mode theory

Autoři

PETRÁČEK, J.; KUZMIAK, V.

Vydáno

5. 3. 2020

Nakladatel

AMER PHYSICAL SOC

Místo

COLLEGE PK

ISSN

2469-9926

Periodikum

Physical Review A

Ročník

101

Číslo

3

Stát

Spojené státy americké

Strany od

1

Strany do

10

Strany počet

9

URL

https://journals.aps.org/pra/abstract/10.1103/PhysRevA.101.033805

BibTex

@article{BUT162475,
  author="PETRÁČEK, J. and KUZMIAK, V.",
  title="Dynamics and transport properties of Floquet topological edge modes in coupled photonic waveguides",
  journal="Physical Review A",
  year="2020",
  volume="101",
  number="3",
  pages="1--10",
  doi="10.1103/PhysRevA.101.033805",
  issn="2469-9926",
  url="https://journals.aps.org/pra/abstract/10.1103/PhysRevA.101.033805"
}