Optimization by decoded quantum interferometry
NP-hardness results indicate that finding exact optima and even sufficiently good approximate optima for worst-case instances of many…
Classical theories of gravity produce entanglement
To illustrate this further, we now demonstrate how equation (4) leads to entanglement in a version of Feynman’s…
Low-overhead transversal fault tolerance for universal quantum computation
Dalzell, A. M. et al. Quantum Algorithms: A Survey of Applications and End-to-End Complexities (Cambridge Univ. Press, 2025).…
Distributed quantum computing across an optical network link
Dual-species ion-trap modules Our apparatus comprises two trapped-ion processing modules, Alice and Bob. Each module, shown in Extended…
‘Squeezed light’ might be the secret to building the quantum internet
Imagine a future where the internet isn’t just fast, it’s fundamentally different. Where information doesn’t travel through cables…
Chaos controlled and disorder driven phase transitions induced by breaking permutation symmetry
Solvable case of \(p=0\), generic initial coherent states It is both instructive and interesting to first examine the…
Experimental entanglement swapping through single-photon χ(2) nonlinearity
The SFG-BSA configuration Figure 1a shows a schematic of the SFG-BSA setup. A type-0 PPLN/W is incorporated in a…
Atomic ‘conveyor belt’ boosts power of quantum computer
Mikhail Lukin (right) and colleagues with their neutral-atom quantum computer.Credit: Rose Lincoln/Harvard Staff Photographer A conveyor belt of…
Constant-overhead magic state distillation | Nature Physics
Gottesman, D. An introduction to quantum error correction. Proc. Symp. Appl. Math. 58, 221–236 (2002). Article MathSciNet Google…
Quantum computation for robot posture optimization
Qubit operation and Bloch sphere representation A quantum bit, or qubit, is the fundamental unit of information in…
Parallelized telecom quantum networking with an ytterbium-171 atom array
Gisin, N., Ribordy, G., Tittel, W. & Zbinden, H. Quantum cryptography. Rev. Mod. Phys. 74, 145–195 (2002). Article …
AI helps assemble ‘brain’ of future quantum computer
Quantum computing qubits are arranged in a grid in this artist’s illustration.Credit: Getty Artificial intelligence (AI) tools are…