@article{MTMT:36168056, title = {Networked Quantum Services}, url = {https://m2.mtmt.hu/api/publication/36168056}, author = {Gyöngyösi, László and Imre, Sándor}, doi = {10.2478/qic-2025-0006}, journal-iso = {QUANTUM INFORM COMPUT}, journal = {QUANTUM INFORMATION & COMPUTATION}, volume = {25}, unique-id = {36168056}, issn = {1533-7146}, abstract = {The intense growth of quantum computation and communication allows the development of advanced solutions and services. Networked quantum services are provided for the users via quantum computers and quantum networking. Here, we review the fundamental concepts and recent achievements of networked quantum services. We present a comprehensive study of the state of the art, the different technologies, platforms, and applications. We analyze the implementation basis and identify key challenges.}, year = {2025}, eissn = {1533-7146}, pages = {97-140}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @article{MTMT:32870379, title = {Subchannel Estimation and Subcarrier Detection for Multiuser Multicarrier Continuous-Variable Quantum Key Distribution}, url = {https://m2.mtmt.hu/api/publication/32870379}, author = {Gyöngyösi, László and Imre, Sándor}, journal-iso = {QUANTUM ENG}, journal = {QUANTUM ENGINEERING}, unique-id = {32870379}, year = {2024}, eissn = {2577-0470}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @inproceedings{MTMT:32728847, title = {Resource optimization for the quantum Internet}, url = {https://m2.mtmt.hu/api/publication/32728847}, author = {Gyöngyösi, László and Imre, Sándor}, booktitle = {Quantum Computing, Communication, and Simulation II}, doi = {10.1117/12.2607957}, unique-id = {32728847}, abstract = {The quantum Internet enables networking based on the fundamentals of quantum mechanics. Here, we define methods and procedures of resource prioritization and resource balancing for the quantum Internet. The aim of the proposed solutions is to optimize the resource allocation mechanisms and to reduce the resource consumptions of the network entities.}, year = {2022}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @article{MTMT:32871096, title = {Scalable Distributed Gate-Model Quantum Computers}, url = {https://m2.mtmt.hu/api/publication/32871096}, author = {Gyöngyösi, László}, journal-iso = {BULL AM PHYS SOC}, journal = {BULLETIN OF THE AMERICAN PHYSICAL SOCIETY}, volume = {67}, unique-id = {32871096}, issn = {0003-0503}, abstract = {A scalable model for a distributed quantum computation is a challenging problem due to the complexity of the problem space provided by the diversity of possible quantum systems, from small-scale quantum devices to large-scale quantum computers. Here, we define a model of scalable distributed gate-model quantum computation in near-term quantum systems of the NISQ (noisy intermediate scale quantum) technology era. We prove that the proposed architecture can maximize an objective function of a computational problem in a distributed manner. We study the impacts of decoherence on distributed objective function evaluation.}, year = {2022}, pages = {10-11} } @article{MTMT:33061540, title = {Advances in the quantum internet}, url = {https://m2.mtmt.hu/api/publication/33061540}, author = {Gyöngyösi, László and Imre, Sándor}, doi = {10.1145/3524455}, journal-iso = {COMMUN ACM}, journal = {COMMUNICATIONS OF THE ACM}, volume = {65}, unique-id = {33061540}, issn = {0001-0782}, year = {2022}, eissn = {1557-7317}, pages = {52-63}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @article{MTMT:33071695, title = {Adaptive Problem Solving Dynamics in Gate-Model Quantum Computers}, url = {https://m2.mtmt.hu/api/publication/33071695}, author = {Gyöngyösi, László}, doi = {10.3390/e24091196}, journal-iso = {ENTROPY-SWITZ}, journal = {ENTROPY}, volume = {24}, unique-id = {33071695}, abstract = {Gate-model quantum computer architectures represent an implementable model used to realize quantum computations. The mathematical description of the dynamical attributes of adaptive problem solving and iterative objective function evaluation in a gate-model quantum computer is currently a challenge. Here, a mathematical model of adaptive problem solving dynamics in a gate-model quantum computer is defined. We characterize a canonical equation of adaptive objective function evaluation of computational problems. We study the stability of adaptive problem solving in gate-model quantum computers.}, year = {2022}, eissn = {1099-4300} } @inproceedings{MTMT:33095015, title = {Problem solving dynamics for gate-model quantum computers}, url = {https://m2.mtmt.hu/api/publication/33095015}, author = {Gyöngyösi, László and Imre, Sándor}, booktitle = {Quantum Information Science, Sensing, and Computation XIV}, doi = {10.1117/12.2618654}, unique-id = {33095015}, abstract = {In the noisy intermediate-scale quantum technological setting, the computational steps in a quantum computer are realized via unitary gates. Gate-model quantum computer architectures can be realized in near-term experimental implementations. Here, we study the model of adaptive problem solving dynamics in gate-model quantum computers.}, keywords = {COMMUNICATION; Quantum computers; ATOMIC ENSEMBLES; Repeaters; Quantum Science & Technology; Optical Networks; Gate-model quantum computers}, year = {2022}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @article{MTMT:31682908, title = {Resource Prioritization and Balancing for the Quantum Internet}, url = {https://m2.mtmt.hu/api/publication/31682908}, author = {Gyöngyösi, László and Imre, Sándor}, doi = {10.1038/s41598-020-78960-5}, journal-iso = {SCI REP}, journal = {SCIENTIFIC REPORTS}, volume = {10}, unique-id = {31682908}, year = {2021}, eissn = {2045-2322}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @CONFERENCE{MTMT:32204277, title = {Entangled Network Dynamics of the Quantum Internet}, url = {https://m2.mtmt.hu/api/publication/32204277}, author = {Gyöngyösi, László and Imre, Sándor}, booktitle = {Proceedings of Advanced Optical Techniques for Quantum Information, Sensing, and Metrology 2021}, unique-id = {32204277}, year = {2021}, pages = {221}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} } @inproceedings{MTMT:32204281, title = {Distributed quantum computation for near-term quantum environments}, url = {https://m2.mtmt.hu/api/publication/32204281}, author = {Gyöngyösi, László and Imre, Sándor}, booktitle = {Quantum Information Science, Sensing, and Computation XIII}, doi = {10.1117/12.2585996}, unique-id = {32204281}, abstract = {A scalable model for a distributed quantum computation is a challenging problem due to the complexity of the problem space provided by the diversity of possible quantum systems, from smaller quantum devices to large-scale quantum computers. Here, we define a scalable distributed model of gate-model quantum computation in near-term quantum systems.}, year = {2021}, orcid-numbers = {Imre, Sándor/0000-0002-2883-8919} }