Prospects and applications of on-chip lasers

Z Zhou, X Ou, Y Fang, E Alkhazraji, R Xu, Y Wan… - Elight, 2023 - Springer
Integrated silicon photonics has sparked a significant ramp-up of investment in both
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …

Quantum many-body simulations on digital quantum computers: State-of-the-art and future challenges

B Fauseweh - Nature Communications, 2024 - nature.com
Simulating quantum many-body systems is a key application for emerging quantum
processors. While analog quantum simulation has already demonstrated quantum …

Very-large-scale integrated quantum graph photonics

J Bao, Z Fu, T Pramanik, J Mao, Y Chi, Y Cao, C Zhai… - Nature …, 2023 - nature.com
Graphs have provided an expressive mathematical tool to model quantum-mechanical
devices and systems. In particular, it has been recently discovered that graph theory can be …

Hardware efficient quantum simulation of non-abelian gauge theories with qudits on Rydberg platforms

D González-Cuadra, TV Zache, J Carrasco, B Kraus… - Physical Review Letters, 2022 - APS
Non-Abelian gauge theories underlie our understanding of fundamental forces in nature,
and develo** tailored quantum hardware and algorithms to simulate them is an …

Fully on-chip photonic turnkey quantum source for entangled qubit/qudit state generation

H Mahmudlu, R Johanning, A Van Rees… - Nature …, 2023 - nature.com
Integrated photonics has recently become a leading platform for the realization and
processing of optical entangled quantum states in compact, robust and scalable chip …

Quantum and Classical Spin-Network Algorithms for -Deformed Kogut-Susskind Gauge Theories

TV Zache, D González-Cuadra, P Zoller - Physical Review Letters, 2023 - APS
Treating the infinite-dimensional Hilbert space of non-Abelian gauge theories is an
outstanding challenge for classical and quantum simulations. Here, we employ q-deformed …

Native qudit entanglement in a trapped ion quantum processor

P Hrmo, B Wilhelm, L Gerster, MW van Mourik… - Nature …, 2023 - nature.com
Quantum information carriers, just like most physical systems, naturally occupy high-
dimensional Hilbert spaces. Instead of restricting them to a two-level subspace, these high …

Experimental single-setting quantum state tomography

R Stricker, M Meth, L Postler, C Edmunds, C Ferrie… - PRX Quantum, 2022 - APS
Quantum computers solve ever more complex tasks using steadily growing system sizes.
Characterizing these quantum systems is vital, yet becoming increasingly challenging. The …

Qu8its for quantum simulations of lattice quantum chromodynamics

M Illa, CEP Robin, MJ Savage - Physical Review D, 2024 - APS
We explore the utility of d= 8 qudits, qu8its, for quantum simulations of the dynamics of 1+ 1
D SU (3) lattice quantum chromodynamics, including a map** for arbitrary number of …

Detecting the dimensionality of genuine multiparticle entanglement

G Cobucci, A Tavakoli - Science Advances, 2024 - science.org
Complex forms of quantum entanglement can arise in two qualitatively different ways: either
between many qubits or between two particles with higher-than-qubit dimension. While both …