Resources

Technical manuscripts

Technical manuscripts, background material, and research developed by Q-CTRL and our partners.

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Constrained Quantum Optimization at Utility Scale: Application to the Knapsack Problem

Naeimeh Mohseni, Julien-Pierre Houle, Ibrahim Shehzad, Giorgio Cortiana, Corey O’Meara and Adam Bene Watts

February 27, 2026

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arXiv

Community research
Tensor-based phase difference estimation on time series analysis

Shu Kanno, Kenji Sugisaki, Rei Sakuma, Jumpei Kato, Hajime Nakamura, Naoki Yamamoto

January 22, 2026

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arXiv

Community research
Large circuit execution for NMR spectroscopy simulation on NISQ quantum hardware

Artemiy Burov, Julien Baglio, Clément Javerzac-Galy

December 16, 2025

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arXiv

Community research
Practical protein-pocket hydration-site prediction for drug discovery on a quantum computer

Daniele Loco, Kisa Barkemeyer, Andre R. R. Carvalho, Jean-Philip Piquemal

December 9, 2025

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arXiv

Q-CTRL research
Quantum spectroscopy of topological dynamics via a supersymmetric Hamiltonian

Hiroshi Yamauchi, Satoshi Kanno, Yuki Sato, Hiroyuki Tezuka, Yoshi-aki Shimada, Eriko Kaminishi, Naoki Yamamoto

November 28, 2025

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arXiv

Community research
No need to calibrate: characterization and compilation for high-fidelity circuit execution using imperfect gates

Ashish Kakkar, Samuel Marsh, Yulun Wang, Pranav Mundada, Paul Coote, Gavin Hartnett, Michael J. Biercuk, Yuval Baum

November 26, 2025

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arXiv

Q-CTRL research
Quantum-enhanced multiparameter sensing in a single mode

Christophe H. Valahu, Matthew P. Stafford, Zixin Huang, Vassili G. Matsos, Maverick J. Millican , Teerawat Chalermpusitarak, Nicolas C. Menicucci, Joshua Combes, Ben Q. Baragiola, Ting Rei Tan

September 24, 2025

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Science Advances

Community research
Δ-Motif: Subgraph Isomorphism at Scale via Data-Centric Parallelism

Yulun Wang, Esteban Ginez, Jamie Friel, Yuval Baum, Jin-Sung Kim, Alex Shih, Oded Green

September 1, 2025

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arXiv

Q-CTRL research
Automated discovery of heralded ballistic graph state generators for fusion-based photonic quantum computation

Gavin S. Hartnett, Dave Kielpinski, Smarak Maity, Pranav S. Mundada, Yuval Baum, Michael R. Hush

August 22, 2025

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arXiv

Q-CTRL research

Latest news and updates

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Q-CTRL digest

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March 16, 2026

Technical blog

Unlocking peak performance on IBM Quantum Nighthawk devices with crosstalk suppression

March 12, 2026

Technical blog

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February 16, 2026

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