3 papers
quant-ph2026
Compactifying linear optical unitaries using multiport beamsplitters
P. A. Ameen Yasir, Peter van Loock
We show that any -dimensional unitary matrix can be realized using a finite sequence of concatenated identical fixed multiport beamsplitters (MBSs) and phase shifters (PSs). Our…
quant-ph2025
Tripartite multiphoton Jaynes-Cummings model: Analytical solution and Wigner nonclassicalities
Pradip Laha, P. A. Ameen Yasir, Peter van Loock
We investigate a generic tripartite quantum system featuring a single qubit interacting concurrently with two quantized harmonic oscillators via nonlinear multiphoton Jaynes-Cummin…
quant-ph2024
Genuine non-Gaussian entanglement of light and quantum coherence for an atom from noisy multiphoton spin-boson interactions
Pradip Laha, P. A. Ameen Yasir, Peter van Loock
Harnessing entanglement and quantum coherence plays a central role in advancing quantum technologies. In quantum optical light-atom platforms, these two fundamental resources are o…