Information processing at the speed of light

M AbuGhanem - Frontiers of Optoelectronics, 2024 - Springer
In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

Quantum nondemolition measurements with optical parametric amplifiers for ultrafast universal quantum information processing

R Yanagimoto, R Nehra, R Hamerly, E Ng, A Marandi… - PRX Quantum, 2023 - APS
Realization of a room-temperature ultrafast photon-number-resolving quantum
nondemolition (QND) measurement would have significant implications for photonic …

Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength

M Endo, R He, T Sonoyama, K Takahashi… - Optics …, 2023 - opg.optica.org
In the field of continuous-variable quantum information processing, non-Gaussian states
with negative values of the Wigner function are crucial for the development of a fault-tolerant …

Linear-optical quantum computation with arbitrary error-correcting codes

BW Walshe, BQ Baragiola, H Ferretti, J Gefaell… - arxiv preprint arxiv …, 2024 - arxiv.org
High-rate quantum error correcting codes mitigate the imposing scale of fault-tolerant
quantum computers but require the efficient generation of non-local many-body …

A quadratic speedup in the optimization of noisy quantum optical circuits

R De Prins, Y Yao, A Apte, FM Miatto - Quantum, 2023 - quantum-journal.org
Linear optical quantum circuits with photon number resolving (PNR) detectors are used for
both Gaussian Boson Sampling (GBS) and for the preparation of non-Gaussian states such …

Error-corrected quantum repeaters with gkp qudits

F Schmidt, D Miller, P van Loock - arxiv preprint arxiv:2303.16034, 2023 - arxiv.org
The Gottesman-Kitaev-Preskill (GKP) code offers the possibility to encode higher-
dimensional qudits into individual bosonic modes with, for instance, photonic excitations …

Efficient Concatenated Bosonic Code for Additive Gaussian Noise

K Fukui, T Matsuura, NC Menicucci - Physical Review Letters, 2023 - APS
Bosonic codes offer noise resilience for quantum information processing. Good performance
often comes at a price of complex decoding schemes, limiting their practicality. Here, we …

High-threshold fault-tolerant quantum computation with the Gottesman-Kitaev-Preskill qubit under noise in an optical setup

K Fukui - Physical Review A, 2023 - APS
To implement fault-tolerant quantum computation (FTQC) with continuous variables,
continuous variables need to be digitized using an appropriate code such as the Gottesman …

Machine learning for efficient generation of universal hybrid quantum computing resources

A Anteneh, O Pfister - 2024 Conference on Lasers and Electro …, 2024 - ieeexplore.ieee.org
We present numerical simulations of deep reinforcement learning on a measurement-based
quantum processor-a time-multiplexed optical circuit sampled by photon-number-resolving …

Non-gaussian quantum state generation for optical quantum computers

M Endo, A Furusawa - 49th European Conference on Optical …, 2023 - ieeexplore.ieee.org
Optical quantum computers, which use traveling waves of light, are highly compatible with
optical telecommunication technology and are capable of large-scale and high-speed …