Broadband generation and tomography of non-Gaussian states for ultra-fast optical quantum processors

A Kawasaki, R Ide, H Brunel, T Suzuki, R Nehra… - Nature …, 2024 - nature.com
Quantum information processors benefit from high clock frequencies to fully harness
quantum advantages before they are lost to decoherence. All-optical systems offer unique …

Non-Gaussian-state generation with time-gated photon detection

T Sonoyama, K Takahashi, B Charoensombutamon… - Physical Review …, 2023 - APS
Non-Gaussian states of light, which are essential in fault-tolerant and universal optical
quantum computation, are typically generated by a heralding scheme using photon …

Characterization of the multimode nature of single-photon sources based on spontaneous parametric down-conversion

ER Hellebek, K Mølmer, AS Sørensen - Physical Review A, 2024 - APS
Single-photon sources are necessary components for many prospective quantum
technologies. One candidate for a single-photon source is spontaneous parametric down …

High-rate Generation and State Tomography of Non-Gaussian Quantum States for Ultra-fast Clock Frequency Quantum Processors

A Kawasaki, R Ide, H Brunel, T Suzuki, R Nehra… - arxiv preprint arxiv …, 2024 - arxiv.org
Quantum information processors greatly benefit from high clock frequency to fully
harnessing the quantum advantages before they get washed out by the decoherence. In this …

High-rate generation and ultrafast real-time observation of optical non-Gaussian states encoded in sub-nanosecond wavepackets

A Kawasaki, R Ide, H Brunel, T Suzuki, R Nehra… - Quantum 2.0, 2024 - opg.optica.org
We generate and observe optical non-Gaussian states defined in wavepackets of sub-
nanosecond time width—O (10 3) faster than previous research—using waveguide optical …

Timing Jitter Remover for Optical Non-Gaussian State Preparation

T Sonoyama, K Takahashi, S Takasu, K Hattori… - Frontiers in …, 2022 - opg.optica.org
Timing Jitter Remover for Optical Non-Gaussian State Preparation Page 1 Timing Jitter Remover
for Optical Non-Gaussian State Preparation Tatsuki Sonoyama1,∗, Kazuma Takahashi1 …

Non-Gaussian State Generation Using A Photon Detector With Finite Timing Jitter

T Sonoyama, W Asavanant, K Takase… - CLEO: Fundamental …, 2023 - opg.optica.org
Non-Gaussian State Generation Using A Photon Detector With Finite Timing Jitter Page 1
Non-Gaussian State Generation Using A Photon Detector With Finite Timing Jitter Tatsuki …

Generation and manipulation of photonic states for quantum communication

MF Melalkia - 2022 - theses.hal.science
The work presented in this thesis is mainly divided into two part. In a first experimental part,
experimental realisations based on guided-wave and integrated optical solutions are …

Génération et manipulation d'états photoniques pour la communication quantique

MF Melalkia - 2022 - theses.fr
Résumé Le travail présenté dans cette thèse est principalement divisé en deux parties. Une
première partie expérimentale dans laquelle des réalisations basées sur des solutions …