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Publications

2025

  • L. B. Vieira, Huan-Yu Ku, and C. Budroni. "Entanglement-breaking channels are a quantum memory resource." Physical Review Research, 7(4): 043281, 2025. link: DOI

  • C. Jebarathinam, Huan-Yu Ku, and H.-S. Goan. "Operational Coherent Measurements with Steering and Randomness." arXiv e-prints, arXiv:2511.09102, 2025. link: DOI

  • Y.-A. Shih, W.-G. Chang, G. N. M. Tabia, H.-C. Weng, T.-Y. Tsai, C.-S. Chuu, Huan-Yu Ku, and C. Budroni. "Experimentally enhancing high-dimensional subchannel discrimination via optimal local filtering." Physical Review Research, 7(3): L032035, 2025. link: DOI

  • C. G. Feyisa, C.-Y. Liu, M. S. Hasan, J. S. You, Huan-Yu Ku, and H. H. Jen. "Robustness of multipartite entangled states in passive PT-symmetric qubits." Physical Review Research, 7(3): 033060, 2025. link: DOI

  • C. Jebarathinam, D. Das, Huan-Yu Ku, D. Sarkar, and H.-S. Goan. "Operational simultaneous correlations in complementary bases of bipartite states via one-sided semi-device-independent steering." Physical Review A, 111(6): 062403, 2025. link: DOI

  • K.-Y. Lee, J.-D. Lin, K. Lemr, A. Černoch, A. Miranowicz, F. Nori, Huan-Yu Ku, and Y.-N. Chen. "Unveiling quantum steering by quantum-classical uncertainty complementarity." npj Quantum Information, 11(1): 72, 2025. link: DOI

  • H.-C. Weng, C.-Y. Wei, Huan-Yu Ku, S.-L. Chen, Y.-N. Chen, and C.-S. Chuu. "Observation of a full hierarchy of temporal quantum correlations with a superconducting qubit." Physical Review A, 111(5): 052439, 2025. link: DOI

  • C. Gashu Feyisa, J.-S. You, Huan-Yu Ku, and H. H. Jen. "Accelerating multipartite entanglement generation in non-Hermitian superconducting qubits." Quantum Science and Technology, 10(2): 025021, 2025. link: DOI

  • C.-Y. Hsieh, B. Stratton, C.-H. Wu, and Huan-Yu Ku. "Dynamical resource theory of incompatibility preservability." Physical Review A, 111(2): 022422, 2025. link: DOI

2024

  • C. Jebarathinam, Huan-Yu Ku, H.-C. Cheng, and H.-S. Goan. "Global Coherence in Quantum Discord as a Resource." arXiv e-prints, arXiv:2410.04430, 2024. link: DOI

  • W.-G. Chang, C.-Y. Ju, G.-Y. Chen, Y.-N. Chen, and Huan-Yu Ku. "Visually quantifying single-qubit quantum memory." Physical Review Research, 6(2): 023035, 2024. link: DOI

  • H.-M. Wang, Huan-Yu Ku, J.-Y. Lin, and H.-B. Chen. "Deep learning the hierarchy of steering measurement settings of qubit-pair states." Communications Physics, 7(1): 72, 2024. link: DOI

2023

  • C.-Y. Hsieh, Huan-Yu Ku, and C. Budroni. "Characterisation and fundamental limitations of irreversible stochastic steering distillation." arXiv e-prints, arXiv:2309.06191, 2023. link: DOI

  • Huan-Yu Ku, C.-Y. Hsieh, and C. Budroni. "Measurement incompatibility cannot be stochastically distilled." arXiv e-prints, arXiv:2308.02252, 2023. link: DOI

  • Huan-Yu Ku, K.-Y. Lee, P.-R. Lai, J.-D. Lin, and Y.-N. Chen. "Coherent activation of a steerability-breaking channel." Physical Review A, 107(4): 042415, 2023. link: DOI

  • K.-Y. Lee, J.-D. Lin, A. Miranowicz, F. Nori, Huan-Yu Ku, and Y.-N. Chen. "Steering-enhanced quantum metrology using superpositions of noisy phase shifts." Physical Review Research, 5(1): 013103, 2023. link: DOI

  • Y.-Y. Zhao, C. Zhang, S. Cheng, X. Li, Y. Guo, B.-H. Liu, Huan-Yu Ku, S.-L. Chen, Q. Wen, Y.-F. Huang, G.-Y. Xiang, C.-F. Li, and G.-C. Guo. "Device-independent verification of Einstein-Podolsky-Rosen steering." Optica, 10(1): 66, 2023. link: DOI

2022

  • F.-J. Chan, Y.-T. Huang, J.-D. Lin, Huan-Yu Ku, J.-S. Chen, H.-B. Chen, and Y.-N. Chen. "Maxwell's two-demon engine under pure dephasing noise." Physical Review A, 106(5): 052201, 2022. link: DOI

  • Huan-Yu Ku, C.-Y. Hsieh, S.-L. Chen, Y.-N. Chen, and C. Budroni. "Complete classification of steerability under local filters and its relation with measurement incompatibility." Nature Communications, 13: 4973, 2022. link: DOI

  • Huan-Yu Ku, J. Kadlec, A. Černoch, M. T. Quintino, W. Zhou, K. Lemr, N. Lambert, A. Miranowicz, S.-L. Chen, F. Nori, and Y.-N. Chen. "Quantifying Quantumness of Channels Without Entanglement." PRX Quantum, 3(2): 020338, 2022. link: DOI

  • Z.-P. Yang, Huan-Yu Ku, A. Baishya, Y.-R. Zhang, A. F. Kockum, Y.-N. Chen, F.-L. Li, J.-S. Tsai, and F. Nori. "Deterministic one-way logic gates on a cloud quantum computer." Physical Review A, 105(4): 042610, 2022. link: DOI

2021

  • Huan-Yu Ku, H.-C. Weng, Y.-A. Shih, P.-C. Kuo, N. Lambert, F. Nori, C.-S. Chuu, and Y.-N. Chen. "Hidden nonmacrorealism: Reviving the Leggett-Garg inequality with stochastic operations." Physical Review Research, 3(4): 043083, 2021. link: DOI

  • S.-L. Chen, Huan-Yu Ku, W. Zhou, J. Tura, and Y.-N. Chen. "Robust self-testing of steerable quantum assemblages and its applications on device-independent quantum certification." Quantum, 5: 552, 2021. link: DOI

  • J.-D. Lin, W.-Y. Lin, Huan-Yu Ku, N. Lambert, Y.-N. Chen, and F. Nori. "Quantum steering as a witness of quantum scrambling." Physical Review A, 104(2): 022614, 2021. link: DOI

  • Y.-T. Huang, J.-D. Lin, Huan-Yu Ku, and Y.-N. Chen. "Benchmarking quantum state transfer on quantum devices." Physical Review Research, 3(2): 023038, 2021. link: DOI

2020

  • Huan-Yu Ku, N. Lambert, F.-J. Chan, C. Emary, Y.-N. Chen, and F. Nori. "Experimental test of non-macrorealistic cat states in the cloud." npj Quantum Information, 6(1): 98, 2020. link: DOI

  • Y.-Y. Zhao, Huan-Yu Ku, S.-L. Chen, H.-B. Chen, F. Nori, G.-Y. Xiang, C.-F. Li, G.-C. Guo, and Y.-N. Chen. "Experimental demonstration of measurement-device-independent measure of quantum steering." npj Quantum Information, 6(1): 77, 2020. link: DOI

  • H.-C. Weng, C.-Y. Wei, Huan-Yu Ku, S.-L. Chen, Y.-N. Chen, and C.-S. Chuu. "Experimental Observation of Hierarchy in Temporal Quantum Correlations." APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts, D03.005, 2020. link: NASA ADS

2018

  • G.-T. Chen, P.-C. Kuo, Huan-Yu Ku, G.-Y. Chen, and Y.-N. Chen. "Probing higher-order transitions through scattering of microwave photons in the ultrastrong-coupling regime of circuit QED." Physical Review A, 98(4): 043803, 2018. link: DOI

  • Huan-Yu Ku, S.-L. Chen, N. Lambert, Y.-N. Chen, and F. Nori. "Hierarchy in temporal quantum correlations." Physical Review A, 98(2): 022104, 2018. link: DOI

  • Huan-Yu Ku, S.-L. Chen, H.-B. Chen, F. Nori, and Y.-N. Chen. "Measurement-device-independent measure of steerability and witnesses for all steerable resources." arXiv e-prints, arXiv:1807.08901, 2018. link: DOI

  • Huan-Yu Ku, S.-L. Chen, C. Budroni, A. Miranowicz, Y.-N. Chen, and F. Nori. "Einstein-Podolsky-Rosen steering: Its geometric quantification and witness." Physical Review A, 97(2): 022338, 2018. link: DOI

2016

  • Huan-Yu Ku, S.-L. Chen, H.-B. Chen, N. Lambert, Y.-N. Chen, and F. Nori. "Temporal steering in four dimensions with applications to coupled qubits and magnetoreception." Physical Review A, 94(6): 062126, 2016. link: DOI