Publications

Preprints

Noise immunity in quantum optical systems through non-Hermitian topology
Jamison Sloan*, Sachin Vaidya†*, Nicholas Rivera, Marin Soljačić
arXiv:2503.11620 (2025)

Quantized crystalline-electromagnetic responses in insulators
Sachin Vaidya†*, André Grossi Fonseca*, Mark R. Hirsbrunner, Taylor L. Hughes, Marin Soljačić
arXiv:2503.09970 (2025)

Exceptional Topology on Nonorientable Manifolds
J. Lukas K. König*, Kang Yang*, André Grossi Fonseca, Sachin Vaidya, Marin Soljačić, Emil J. Bergholtz
arXiv:2503.04889 (2025)

Classification of Fragile Topology Enabled by Matrix Homotopy
Ki Young Lee, Stephan Wong, Sachin Vaidya, Terry A. Loring, Alexander Cerjan
arXiv:2503.03948 (2025)

Non-reciprocal frequency conversion in a multimode nonlinear system
Sahil Pontula, Sachin Vaidya, Charles Roques-Carmes, Shiekh Zia Uddin, Marin Soljačić, and Yannick Salamin
arXiv:2409.14299 (2024)

Journal Publications

2025

Tunable Nanophotonic Devices and Cavities based on a Two-Dimensional Magnet
Ahmet Kemal Demir*, Luca Nessi*, Sachin Vaidya, Connor Occhialini, Marin Soljačić, Riccardo Comin
Nature Photonics (2025) (accepted)

Large-scale self-assembled nanophotonic scintillators for X-ray imaging
Louis Martin-Monier*, Simo Pajovic*, Muluneh G. Abebe*, Joshua Chen, Sachin Vaidya, Seokhwan Min, Seou Choi, Steven E. Kooi, Bjorn Maes, Juejun Hu, Marin Soljacic, Charles Roques-Carmes
Nature Communications (2025) (accepted)

End-to-end design of multicolor scintillators for enhanced energy resolution in X-ray imaging
Seokhwan Min, Seou Choi, Simo Pajovic, Sachin Vaidya, Nicholas Rivera, Shanhui Fan, Marin Soljačić, Charles Roques-Carmes
Light: Science & Applications (2025)

KAN: Kolmogorov-Arnold Networks
Ziming Liu, Yixuan Wang, Sachin Vaidya, Fabian Ruehle, James Halverson, Marin Soljačić, Thomas Y. Hou, Max Tegmark
The Thirteenth International Conference on Learning Representations - ICLR (2025) (accepted) - Scientific American, Quanta Magazine, MIT Technology Review, IEEE Spectrum

2024

Prevalence of two-dimensional photonic topology
Ali Ghorashi, Sachin Vaidya, Mikael Rechtsman, Wladimir Benalcazar, Marin Soljačić and Thomas Christensen
Physical Review Letters (2024)

Weyl points on non-orientable manifolds
André Grossi Fonseca*, Sachin Vaidya†*, Thomas Christensen, Mikael C. Rechtsman, Taylor L. Hughes and Marin Soljačić
Physical Review Letters (2024)

Direct observation of Landau levels in silicon photonic crystals
Maria Barsukova*, Fabien Grisé*, Zeyu Zhang*, Sachin Vaidya, Jonathan Guglielmon, Michael I. Weinstein, Li He, Bo Zhen, Randall McEntaffer and Mikael C. Rechtsman
Nature Photonics (2024) - Phys.org, Penn State news, News & Views

Response to polarization and weak topology in Chern insulators
Sachin Vaidya†, Mikael C. Rechtsman and Wladimir A. Benalcazar
Physical Review Letters (2024)

2023

Reentrant delocalization transition in one-dimensional photonic quasicrystals
Sachin Vaidya†*, Christina Jörg*, Kyle Linn, Megan Goh and Mikael C. Rechtsman
Physical Review Research (2023)

Topological phases of photonic crystals under crystalline symmetries
Sachin Vaidya†, Ali Ghorashi, Thomas Christensen, Mikael C. Rechtsman and Wladimir A. Benalcazar
Physical Review B (2023)

2022

Observation of Quadratic (Charge-2) Weyl Point Splitting in Near-Infrared Photonic Crystals
Christina Jörg*, Sachin Vaidya*, Jiho Noh, Alexander Cerjan, Shyam Augustine, Georg von Freymann and Mikael C. Rechtsman
Laser & Photonics Reviews (2022) - Featured on the cover

2021

Observation of Bound States in the Continuum Embedded in Symmetry Bandgaps
Alexander Cerjan*, Christina Jörg*, Sachin Vaidya, Shyam Augustine, Wladimir A. Benalcazar, Chia Wei Hsu, Georg von Freymann and Mikael C. Rechtsman
Science Advances (2021)

Topological photonics in 3D micro-printed systems
Julian Schulz, Sachin Vaidya and Christina Jörg
APL Photonics (2021) - Editor’s Pick

Point-Defect-Localized Bound States in the Continuum in Photonic Crystals and Structured Fibers
Sachin Vaidya†, Wladimir A. Benalcazar, Alexander Cerjan and Mikael C. Rechtsman
Physical Review Letters (2021)

2020

Observation of a Charge-2 Photonic Weyl Point in the Infrared
Sachin Vaidya*, Jiho Noh*, Alexander Cerjan, Christina, Jörg, Georg von Freymann and Mikael C. Rechtsman
Physical Review Letters (2020) - Editors’ Suggestion, Press