Publications

For an up-to-date list and citation metrics, see my Google Scholar, ORCID, or ResearchGate profile.

* = equal contribution  ·  first author corresponding author

In Preparation

• Fate of Photonic Floquet Topological Insulator under strain induced curvature
  A. Fritzsche, …, L. K. Upreti^†, R. Thomale^†, A. Szameit^†
  In preparation corresponding author
• Bloch dynamics as a probe for Non-Abelian lattices
  L. K. Upreti, R. Thomale, M. Marciani
  In preparation

Published & Preprints

• Engineering topology in waveguide arrays
  L. K. Upreti
  arXiv:2603.01769 (2026)first author
• Topological non-Abelian Gauge Structures in Cayley-Schreier Lattices
  Z. Guba, R-J. Slager, L. K. Upreti^†, T. Bzdušek^†
  Nat. Commun. (2026) corresponding author
• Realizing parametric topological temporal pumping in electrical circuits
  A. Stegmaier, …, L. K. Upreti^†
  Phys. Rev. Res. 6, 023010 (2024) corresponding author
• Observation of cnoidal wave localization in nonlinear topolectric circuits
  H. Hohmann, …, L. K. Upreti, …
  Phys. Rev. Res. 5(1), L012041 (2023)
• Hyperbolic Matter in Electrical Circuits with Tunable Complex Phases
  A. Chen, …, L. K. Upreti, …, I. Boettcher
  Nat. Commun. 14, 622 (2023)
• Multi-topological Floquet metals in a photonic lattice
  A. F. Adiyatullin*, L. K. Upreti*, …, P. Delplace, A. Amo
  Phys. Rev. Lett. 130, 056901 (2023) first author
• Universality of Hofstadter butterflies on hyperbolic lattices
  A. Stegmaier*, L. K. Upreti*, R. Thomale, I. Boettcher
  Phys. Rev. Lett. 128, 166402 (2022) first author
• Simulating hyperbolic space on a circuit board
  P. M. Lenggenhager*, A. Stegmaier*, L. K. Upreti, T. Hofmann, T. Helbig, A. Vollhardt, M. Greiter, C. H. Lee, S. Imhof, H. Brand, T. Kießling, I. Boettcher, T. Neupert, R. Thomale, T. Bzdušek
  Nat. Commun. 13, 4373 (2022)
• Topological Swing of Bloch Oscillations in Quantum Walks
  L. K. Upreti, C. Evain, S. Randoux, P. Suret, A. Amo, P. Delplace
  Phys. Rev. Lett. 125, 186804 (2020) first author
• Topological chiral interface states beyond insulators
  L. K. Upreti, P. Delplace
  Phys. Rev. A 102, 023520 (2020) first author
• Floquet Winding Metals
  L. K. Upreti, C. Evain, S. Randoux, P. Suret, A. Amo, P. Delplace
  arXiv:1907.09914 (2019)first author