Ultracold polar molecules as qudits

R Sawant, JA Blackmore, PD Gregory… - New Journal of …, 2020 - iopscience.iop.org
We discuss how the internal structure of ultracold molecules, trapped in the motional ground
state of optical tweezers, can be used to implement qudits. We explore the rotational, fine …

Quantum computation with trapped polar molecules

D DeMille - Physical Review Letters, 2002 - APS
We propose a novel physical realization of a quantum computer. The qubits are electric
dipole moments of ultracold diatomic molecules, oriented along or against an external …

Dipolar exchange quantum logic gate with polar molecules

KK Ni, T Rosenband, DD Grimes - Chemical science, 2018 - pubs.rsc.org
We propose a two-qubit gate based on dipolar exchange interactions between individually
addressable ultracold polar molecules in an array of optical dipole traps. Our proposal treats …

Entanglement and iSWAP gate between molecular qubits

LRB Picard, AJ Park, GE Patenotte, S Gebretsadkan… - Nature, 2024 - nature.com
Quantum computation and simulation rely on long-lived qubits with controllable interactions.
Trapped polar molecules have been proposed as a promising quantum computing platform …

Assembly of a rovibrational ground state molecule in an optical tweezer

WB Cairncross, JT Zhang, LRB Picard, Y Yu, K Wang… - Physical Review Letters, 2021 - APS
We demonstrate the coherent creation of a single NaCs molecule in its rotational,
vibrational, and electronic (rovibronic) ground state in an optical tweezer. Starting with a …

Dipolar spin-exchange and entanglement between molecules in an optical tweezer array

Y Bao, SS Yu, L Anderegg, E Chae, W Ketterle, KK Ni… - Science, 2023 - science.org
Ultracold polar molecules are promising candidate qubits for quantum computing and
quantum simulations. Their long-lived molecular rotational states form robust qubits, and the …

Quantum computation and quantum simulation with ultracold molecules

SL Cornish, MR Tarbutt, KRA Hazzard - Nature Physics, 2024 - nature.com
Ultracold molecules confined in optical lattices or tweezer traps can be used to process
quantum information and simulate the behaviour of many-body quantum systems. Molecules …

Schemes for robust quantum computation with polar molecules

SF Yelin, K Kirby, R Côté - Physical Review A—Atomic, Molecular, and Optical …, 2006 - APS
We show how ultracold polar molecules, suggested as a new platform for quantum
computation, can be manipulated to switch “on” and “off” their strong dipole-dipole …

Rotational coherence times of polar molecules in optical tweezers

S Burchesky, L Anderegg, Y Bao, SS Yu, E Chae… - Physical Review Letters, 2021 - APS
Qubit coherence times are critical to the performance of any robust quantum computing
platform. For quantum information processing using arrays of polar molecules, a key …

Enhanced quantum control of individual ultracold molecules using optical tweezer arrays

DK Ruttley, A Guttridge, TR Hepworth, SL Cornish - PRX Quantum, 2024 - APS
Control over the quantum states of individual molecules is crucial in the quest to harness
their rich internal structure and dipolar interactions for applications in quantum science. In …