Research

Research projects and papers, with a short explanation of the questions and results.

2025 · Preprint

Stealthy-Hyperuniform Wave Dynamics in Two-Dimensional Photonic Crystals

Maria Barsukova, Zeyu Zhang, Brian Gould, Koorosh Sadri, Christian Rosiek, Søren Stobbe, Jonas Karcher, and Mikael C. Rechtsman

arXiv:2507.05253 (2025)

How correlated disorder changes the scattering of light in photonic crystal slabs.

2024 · Conference contribution

Optimal Photonic Crystal Laser Designs via Superpotentials

Koorosh Sadri, Jonas Karcher, Maria Barsukova, Zeyu Zhang, and Mikael C. Rechtsman

CLEO: Fundamental Science, paper FF1J.7 (2024)

A theoretical approach to balancing output power with spatial and spectral purity in photonic crystal lasers.

2022 · Journal article

Accessible Maps in a Group of Classical or Quantum Channels

Koorosh Sadri, Fereshte Shahbeigi, Zbigniew Puchała, and Karol Życzkowski

Open Systems & Information Dynamics 29, 2250002 (2022)

Which mixtures of channels can arise from continuous-time semigroup dynamics?

2021 · Journal article

Quasi-inversion of Quantum and Classical Channels in Finite Dimensions

Fereshte Shahbeigi, Koorosh Sadri, Morteza Moradi, Karol Życzkowski, and Vahid Karimipour

Journal of Physics A: Mathematical and Theoretical 54, 345301 (2021)

Recovering information as well as possible when a noisy channel has no physical inverse.