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quant-ph2025

Photodetection of Squeezed Light: a Whittaker-Shannon Analysis

Jasper Kranias, Christian Drago, Colin Vendromin +1

The Whittaker-Shannon decomposition provides a temporally localized description of squeezed light, making it applicable in the CW limit and leading to a definition of squeezing str…

quant-ph2025

Non-Gaussian states via pump-depleted SPDC

Colin Vendromin, Samuel E. Fontaine, J. E. Sipe

We develop a model for non-Gaussian state generation via spontaneous parametric down-conversion (SPDC) in InGaP microring resonators. The nonlinear Hamiltonian is written in terms…

quant-ph2025

Photon pair generation via down-conversion in III-V semiconductor microrings: modal dispersion and quasi-phase matching

Samuel E. Fontaine, Colin Vendromin, Trevor J. Steiner +7

We explore how III-V semiconductor microring resonators can efficiently generate photon pairs and squeezed vacuum states via spontaneous parametric down-conversion by utilizing the…

quant-ph2024

Programmable integrated source of polarization and frequency-bin hyperentangled photon pairs

Colin Vendromin, J. E. Sipe, Marco Liscidini

We present a system of four ring resonators capable of generating programmable polarization and frequency-bin entangled photon pairs on an integrated photonic device. Each ring is…

quant-ph2024

Highly Squeezed States in Ring Resonators: Beyond the Undepleted Pump Approximation

Colin Vendromin, Yan Liu, Zhenshan Yang +1

We present a multimode theory of squeezed state generation in resonant systems valid for arbitrary pump power and including pump depletion. The Hamiltonian is written in terms of a…