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Beating one bit of communication with and without quantum pseudo-telepathy npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-22 István Márton, Erika Bene, Péter Diviánszky, Tamás Vértesi
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Mitigation of interfacial dielectric loss in aluminum-on-silicon superconducting qubits npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-14 Janka Biznárová, Amr Osman, Emil Rehnman, Lert Chayanun, Christian Križan, Per Malmberg, Marcus Rommel, Christopher Warren, Per Delsing, August Yurgens, Jonas Bylander, Anita Fadavi Roudsari
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Coherence of a field gradient driven singlet-triplet qubit coupled to multielectron spin states in 28Si/SiGe npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-14 Younguk Song, Jonginn Yun, Jehyun Kim, Wonjin Jang, Hyeongyu Jang, Jaemin Park, Min-Kyun Cho, Hanseo Sohn, Noritaka Usami, Satoru Miyamoto, Kohei M. Itoh, Dohun Kim
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Enhancing the electron pair approximation with measurements on trapped-ion quantum computers npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-13 Luning Zhao, Qingfeng Wang, Joshua J. Goings, Kyujin Shin, Woomin Kyoung, Seunghyo Noh, Young Min Rhee, Kyungmin Kim
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Loss-induced quantum nonreciprocity npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-12 Baijun Li, Yunlan Zuo, Le-Man Kuang, Hui Jing, Chaohong Lee
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Information compression via hidden subgroup quantum autoencoders npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-08 Feiyang Liu, Kaiming Bian, Fei Meng, Wen Zhang, Oscar Dahlsten
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Scalable determination of multipartite entanglement in quantum networks npj Quantum Inform. (IF 6.6) Pub Date : 2024-08-08 Wei-Ting Kao, Chien-Ying Huang, Tung-Ju Tsai, Shih-Hsuan Chen, Sheng-Yan Sun, Yu-Cheng Li, Teh-Lu Liao, Chih-Sung Chuu, He Lu, Che-Ming Li
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The silicon vacancy centers in SiC: determination of intrinsic spin dynamics for integrated quantum photonics npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-23 Di Liu, Florian Kaiser, Vladislav Bushmakin, Erik Hesselmeier, Timo Steidl, Takeshi Ohshima, Nguyen Tien Son, Jawad Ul-Hassan, Öney O. Soykal, Jörg Wrachtrup
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Fundamental causal bounds of quantum random access memories npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-23 Yunfei Wang, Yuri Alexeev, Liang Jiang, Frederic T. Chong, Junyu Liu
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Low charge noise quantum dots with industrial CMOS manufacturing npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-19 A. Elsayed, M. M. K. Shehata, C. Godfrin, S. Kubicek, S. Massar, Y. Canvel, J. Jussot, G. Simion, M. Mongillo, D. Wan, B. Govoreanu, I. P. Radu, R. Li, P. Van Dorpe, K. De Greve
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Charge-parity switching effects and optimisation of transmon-qubit design parameters npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-15 Miha Papič, Jani Tuorila, Adrian Auer, Inés de Vega, Amin Hosseinkhani
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Contextual quantum metrology npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-04 Jeongwoo Jae, Jiwon Lee, M. S. Kim, Kwang-Geol Lee, Jinhyoung Lee
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Shortcut to multipartite entanglement generation: A graph approach to boson subtractions npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-03 Seungbeom Chin, Yong-Su Kim, Marcin Karczewski
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Experimental error suppression in Cross-Resonance gates via multi-derivative pulse shaping npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-02 Boxi Li, Tommaso Calarco, Felix Motzoi
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Approximate encoding of quantum states using shallow circuits npj Quantum Inform. (IF 6.6) Pub Date : 2024-07-02 Matan Ben-Dov, David Shnaiderov, Adi Makmal, Emanuele G. Dalla Torre
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A benchmarking study of quantum algorithms for combinatorial optimization npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-22 Krishanu Sankar, Artur Scherer, Satoshi Kako, Sam Reifenstein, Navid Ghadermarzy, Willem B. Krayenhoff, Yoshitaka Inui, Edwin Ng, Tatsuhiro Onodera, Pooya Ronagh, Yoshihisa Yamamoto
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Calibration-independent bound on the unitarity of a quantum channel with application to a frequency converter npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-22 Matthias Bock, Pavel Sekatski, Jean-Daniel Bancal, Stephan Kucera, Tobias Bauer, Nicolas Sangouard, Christoph Becher, Jürgen Eschner
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A hybrid framework for estimating nonlinear functions of quantum states npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-21 You Zhou, Zhenhuan Liu
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Mapping of valley splitting by conveyor-mode spin-coherent electron shuttling npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-19 Mats Volmer, Tom Struck, Arnau Sala, Bingjie Chen, Max Oberländer, Tobias Offermann, Ran Xue, Lino Visser, Jhih-Sian Tu, Stefan Trellenkamp, Łukasz Cywiński, Hendrik Bluhm, Lars R. Schreiber
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Quantification of entanglement and coherence with purity detection npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-15 Ting Zhang, Graeme Smith, John A. Smolin, Lu Liu, Xu-Jie Peng, Qi Zhao, Davide Girolami, Xiongfeng Ma, Xiao Yuan, He Lu
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Noisy qudit vs multiple qubits: conditions on gate efficiency for enhancing fidelity npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-10 Denis Janković, Jean-Gabriel Hartmann, Mario Ruben, Paul-Antoine Hervieux
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Fault-tolerant connection of error-corrected qubits with noisy links npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-10 Joshua Ramette, Josiah Sinclair, Nikolas P. Breuckmann, Vladan Vuletić
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Group-theoretic error mitigation enabled by classical shadows and symmetries npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-08 Andrew Zhao, Akimasa Miyake
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Quantum computing quantum Monte Carlo with hybrid tensor network for electronic structure calculations npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-06 Shu Kanno, Hajime Nakamura, Takao Kobayashi, Shigeki Gocho, Miho Hatanaka, Naoki Yamamoto, Qi Gao
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Microwave-multiplexed qubit controller using adiabatic superconductor logic npj Quantum Inform. (IF 6.6) Pub Date : 2024-06-03 Naoki Takeuchi, Taiki Yamae, Taro Yamashita, Tsuyoshi Yamamoto, Nobuyuki Yoshikawa
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Quantum computation of frequency-domain molecular response properties using a three-qubit iToffoli gate npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-31 Shi-Ning Sun, Brian Marinelli, Jin Ming Koh, Yosep Kim, Long B. Nguyen, Larry Chen, John Mark Kreikebaum, David I. Santiago, Irfan Siddiqi, Austin J. Minnich
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Coupling conduction-band valleys in SiGe heterostructures via shear strain and Ge concentration oscillations npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-31 Benjamin D. Woods, Hudaiba Soomro, E. S. Joseph, Collin C. D. Frink, Robert Joynt, M. A. Eriksson, Mark Friesen
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Fourier transform noise spectroscopy npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-17 Arian Vezvaee, Nanako Shitara, Shuo Sun, Andrés Montoya-Castillo
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High-fidelity four-photon GHZ states on chip npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-15 Mathias Pont, Giacomo Corrielli, Andreas Fyrillas, Iris Agresti, Gonzalo Carvacho, Nicolas Maring, Pierre-Emmanuel Emeriau, Francesco Ceccarelli, Ricardo Albiero, Paulo Henrique Dias Ferreira, Niccolo Somaschi, Jean Senellart, Isabelle Sagnes, Martina Morassi, Aristide Lemaître, Pascale Senellart, Fabio Sciarrino, Marco Liscidini, Nadia Belabas, Roberto Osellame
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Fourier Quantum Process Tomography npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-09 Francesco Di Colandrea, Nazanin Dehghan, Alessio D’Errico, Ebrahim Karimi
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Engineering holography with stabilizer graph codes npj Quantum Inform. (IF 6.6) Pub Date : 2024-05-03 Gerard Anglès Munné, Valentin Kasper, Felix Huber
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Spatially correlated classical and quantum noise in driven qubits npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-30 Ji Zou, Stefano Bosco, Daniel Loss
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Hunting for quantum-classical crossover in condensed matter problems npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-29 Nobuyuki Yoshioka, Tsuyoshi Okubo, Yasunari Suzuki, Yuki Koizumi, Wataru Mizukami
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Optimal quantum key distribution networks: capacitance versus security npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-29 Lorenzo Cirigliano, Valentina Brosco, Claudio Castellano, Claudio Conti, Laura Pilozzi
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Systematic improvements in transmon qubit coherence enabled by niobium surface encapsulation npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-26 Mustafa Bal, Akshay A. Murthy, Shaojiang Zhu, Francesco Crisa, Xinyuan You, Ziwen Huang, Tanay Roy, Jaeyel Lee, David van Zanten, Roman Pilipenko, Ivan Nekrashevich, Andrei Lunin, Daniel Bafia, Yulia Krasnikova, Cameron J. Kopas, Ella O. Lachman, Duncan Miller, Josh Y. Mutus, Matthew J. Reagor, Hilal Cansizoglu, Jayss Marshall, David P. Pappas, Kim Vu, Kameshwar Yadavalli, Jin-Su Oh, Lin Zhou, Matthew
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Circuit complexity of quantum access models for encoding classical data npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-23 Xiao-Ming Zhang, Xiao Yuan
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Quantum sensing of magnetic fields with molecular spins npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-23 Claudio Bonizzoni, Alberto Ghirri, Fabio Santanni, Marco Affronte
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Tight Lieb–Robinson Bound for approximation ratio in quantum annealing npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-17 Arthur Braida, Simon Martiel, Ioan Todinca
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Error-mitigated fermionic classical shadows on noisy quantum devices npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-16 Bujiao Wu, Dax Enshan Koh
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Entangling entanglement: coupling frequency and polarization of biphotons on demand npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-12 Arash Riazi, Eric Y. Zhu, Dan Xu, Li Qian
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Fast pseudorandom quantum state generators via inflationary quantum gates npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-10 Claudio Chamon, Eduardo R. Mucciolo, Andrei E. Ruckenstein, Zhi-Cheng Yang
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Criticality-enhanced electric field gradient sensor with single trapped ions npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-10 Theodoros Ilias, Dayou Yang, Susana F. Huelga, Martin B. Plenio
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Verifying the security of a continuous variable quantum communication protocol via quantum metrology npj Quantum Inform. (IF 6.6) Pub Date : 2024-04-04 Lorcán O. Conlon, Biveen Shajilal, Angus Walsh, Jie Zhao, Jiri Janousek, Ping Koy Lam, Syed M. Assad
Quantum mechanics offers the possibility of unconditionally secure communication between multiple remote parties. Security proofs for such protocols typically rely on bounding the capacity of the quantum channel in use. In a similar manner, Cramér-Rao bounds in quantum metrology place limits on how much information can be extracted from a given quantum state about some unknown parameters of interest
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Black-hole powered quantum coherent amplifier npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-28 Avijit Misra, Pritam Chattopadhyay, Anatoly Svidzinsky, Marlan O. Scully, Gershon Kurizki
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Modeling Si/SiGe quantum dot variability induced by interface disorder reconstructed from multiperspective microscopy npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-27 Luis Fabián Peña, Justine C. Koepke, Joseph Houston Dycus, Andrew Mounce, Andrew D. Baczewski, N. Tobias Jacobson, Ezra Bussmann
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Low disorder and high valley splitting in silicon npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-13 Davide Degli Esposti, Lucas E. A. Stehouwer, Önder Gül, Nodar Samkharadze, Corentin Déprez, Marcel Meyer, Ilja N. Meijer, Larysa Tryputen, Saurabh Karwal, Marc Botifoll, Jordi Arbiol, Sergey V. Amitonov, Lieven M. K. Vandersypen, Amir Sammak, Menno Veldhorst, Giordano Scappucci
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Short-depth QAOA circuits and quantum annealing on higher-order ising models npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-12 Elijah Pelofske, Andreas Bärtschi, Stephan Eidenbenz
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Pipeline quantum processor architecture for silicon spin qubits npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-12 S. M. Patomäki, M. F. Gonzalez-Zalba, M. A. Fogarty, Z. Cai, S. C. Benjamin, J. J. L. Morton
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Simulating photosynthetic energy transport on a photonic network npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-11 Hao Tang, Xiao-Wen Shang, Zi-Yu Shi, Tian-Shen He, Zhen Feng, Tian-Yu Wang, Ruoxi Shi, Hui-Ming Wang, Xi Tan, Xiao-Yun Xu, Yao Wang, Jun Gao, M. S. Kim, Xian-Min Jin
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Non-symmetric Pauli spin blockade in a silicon double quantum dot npj Quantum Inform. (IF 6.6) Pub Date : 2024-03-06 Theodor Lundberg, David J. Ibberson, Jing Li, Louis Hutin, José C. Abadillo-Uriel, Michele Filippone, Benoit Bertrand, Andreas Nunnenkamp, Chang-Min Lee, Nadia Stelmashenko, Jason W. A. Robinson, Maud Vinet, Lisa Ibberson, Yann-Michel Niquet, M. Fernando Gonzalez-Zalba
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Analyzing variational quantum landscapes with information content npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-29 Adrián Pérez-Salinas, Hao Wang, Xavier Bonet-Monroig
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Variational quantum algorithm for experimental photonic multiparameter estimation npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-28 Valeria Cimini, Mauro Valeri, Simone Piacentini, Francesco Ceccarelli, Giacomo Corrielli, Roberto Osellame, Nicolò Spagnolo, Fabio Sciarrino
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Efficient bosonic nonlinear phase gates npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-23 Kimin Park, Radim Filip
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Better-than-classical Grover search via quantum error detection and suppression npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-20 Bibek Pokharel, Daniel A. Lidar
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Wide-field Fourier magnetic imaging with electron spins in diamond npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-21 Zhongzhi Guo, You Huang, Mingcheng Cai, Chunxing Li, Mengze Shen, Mengqi Wang, Pei Yu, Ya Wang, Fazhan Shi, Pengfei Wang, Jiangfeng Du
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Rapid single-shot parity spin readout in a silicon double quantum dot with fidelity exceeding 99% npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-13 Kenta Takeda, Akito Noiri, Takashi Nakajima, Leon C. Camenzind, Takashi Kobayashi, Amir Sammak, Giordano Scappucci, Seigo Tarucha
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High temperature spin selectivity in a quantum dot qubit using reservoir spin accumulation npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-03 R. Jansen, S. Yuasa
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Semi-device-independent quantum random number generator with a broadband squeezed state of light npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-01 Jialin Cheng, Shaocong Liang, Jiliang Qin, Jiatong Li, Zhihui Yan, Xiaojun Jia, Changde Xie, Kunchi Peng
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Quantum storage of 1650 modes of single photons at telecom wavelength npj Quantum Inform. (IF 6.6) Pub Date : 2024-02-01 Shi-Hai Wei, Bo Jing, Xue-Ying Zhang, Jin-Yu Liao, Hao Li, Li-Xing You, Zhen Wang, You Wang, Guang-Wei Deng, Hai-Zhi Song, Daniel Oblak, Guang-Can Guo, Qiang Zhou
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Quantifying the effect of gate errors on variational quantum eigensolvers for quantum chemistry npj Quantum Inform. (IF 6.6) Pub Date : 2024-01-27 Kieran Dalton, Christopher K. Long, Yordan S. Yordanov, Charles G. Smith, Crispin H. W. Barnes, Normann Mertig, David R. M. Arvidsson-Shukur