Publications

The science behind the stack.

Selected work on programmable photonic circuits by the founding team. Full record: Google Scholar ·.

Programmable circuits & the digital twin

Micrograph of the 12-mode programmable die used in this work

Bloch–Siegert Physics in a Reconfigurable Photonic Binary Lattice

Z.-S. Xu et al. — arXiv preprint · 2026

Light rerouted around a failed phase shifter

Damage-resilient programmable quantum photonic processor via a physics-informed digital twin

S. McHaffie, A. Cataldo, G. Krishna, D. Kostic, J. Gao, A. W. Elshaari — Preprint · in review · 2026

Fabricated mesh: SEM micrographs and die photograph

Emulation of coherent absorption of Fock-state quantum light in a programmable linear photonic circuit

G. Krishna et al. — Nature Communications · 2026

The packaged 8-mode processor used in this work

Interferometric Readout of Momentum-Space Topology in a Programmable Dissipative Photonic Circuit

A. Cataldo, E. J. Bergholtz, D. Leykam, J. Gao, A. W. Elshaari — Preprint · in review · 2026

Programmable mesh platform for non-Hermitian synchronization

Programmable Non-Hermitian Synchronization of Light on a Silicon Photonic Processor

Z.-S. Xu et al. — arXiv preprint · 2026

Rendered 12-mode photonic integrated circuit with fiber arrays

Floquet-driven light transport in programmable photonic processors via discretized evolution of synthetic magnetic fields

A. Cataldo et al. — Preprint · in review · 2026

Programmable mesh with highlighted photon paths

Experimental simulation of non-equilibrium quantum piston on a programmable photonic quantum computer

G. Krishna et al. — arXiv preprint · 2026