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456 papers · 1 filter
ChainForge: Characterizing Embedding as the Bottleneck in Quantum Annealer Workloads
Kanishka Jayathilake, Cordelia Brumley, Tanner Smith +1
Quantum Annealers (QAs) are among the first commercially scaled quantum computing systems designed for large-scale optimization. Unlike digital systems that execute sequences of co…
Controlled Parity of Cooper Pair Tunneling in a Hybrid Superconducting Qubit
David Feldstein-Bofill, Leo Uhre Jakobsen, Ksenia Shagalov +9
Superconducting quantum circuits derive their nonlinearity from the Josephson energy-phase relation. Besides the fundamental term, this relation can also contain higher Fou…
Quantum State Preparation with Resolution Refinement
Scott Bogner, Heiko Hergert, Morten Hjorth-Jensen +3
We introduce a method called resolution refinement that allows one to bootstrap eigenstate preparation on a quantum computer. We first prepare an eigenstate of a low-resolution Ham…
Coherence-limited digital control of a superconducting qubit using a Josephson pulse generator at 3 K
M. A. Castellanos-Beltran, A. J. Sirois, L. Howe +4
Compared to traditional semiconductor control electronics (TSCE) located at room temperature, cryogenic single flux quantum (SFQ) electronics can provide qubit measurement and cont…
Hybrid qubit-oscillator module from motional states of two interacting atoms
Jaeyong Hwang, Tianrui Xu, Sean R. Muleady +5
We propose a qubit-oscillator platform based on the motional states of two interacting atoms in an optical tweezer. By stroboscopically modulating an engineered trap with tunable a…
Hierarchical Fusion Method for Scalable Quantum Eigenstate Preparation
Matthew Patkowski, Onat Ayyildiz, Matjaž Kebrič +2
Robust and efficient eigenstate preparation is a central challenge in quantum simulation. The Rodeo Algorithm (RA) offers exponential convergence to a target eigenstate but suffers…