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20222026
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quant-ph2026

Efficient Description of Parametric Amplification of Quantum Pulses

Victor Rueskov Christiansen, Klaus Mølmer, Emanuel Hubenschmid

A single quantum pulse undergoing parametric amplification feeds into at most two pulses in the output. In this work, we present an efficient, analytical method for finding the qua…

quant-ph2025

Phase-space open-systems dynamics of second-order nonlinear interactions with pulsed quantum light

Emanuel Hubenschmid, Victor Rueskov Christiansen

The theoretical description of broadband, multimode quantum pulses undergoing a second-order -nonlinear interaction can be quite intricate, due to the large dimensionality…

quant-ph2025

Time-domain field correlation measurements enable tomography of highly multimode quantum states of light

Emanuel Hubenschmid, Guido Burkard

Recent progress in ultrafast optics facilitates the investigation of the dynamics of highly multimode quantum states of light, as demonstrated by the application of electro-optic s…

quant-ph2023

Optical time-domain quantum state tomography on a subcycle scale

Emanuel Hubenschmid, Thiago L. M. Guedes, Guido Burkard

Following recent progress in the experimental application of electro-optic sampling to the detection of the quantum fluctuations of the electromagnetic-field ground state and ultra…

quant-ph2022

A complete POVM description of multi-channel quantum electro-optic sampling with monochromatic field modes

Emanuel Hubenschmid, Thiago L. M. Guedes, Guido Burkard

We propose a multi-channel version of quantum electro-optic sampling involving monochromatic field modes. It allows for multiple simultaneous measurements of arbitrarily many $\hat…