An overview of quantum computing and quantum communication systems

Mumtaz, Shahid; Guizani, Mohsen

doi:10.1049/qtc2.12021

Cited by 12 publications

(7 citation statements)

References 15 publications

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“…Edge computing environments face security, workload offloading, and resource allocation issues. QC can optimise task offloading and edge resource allocation, while secure quantum communications can ensure secure communications to, from, and between edge nodes [4,[96][97][98].…”

Section: Quantum 6g Communication Systemmentioning

confidence: 99%

Quantum for 6G communication: A perspective

Ali

Abohmra

Usman

et al. 2023

IET Quantum Communication

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In the technologically changing world, the demand for ultra‐reliable, faster, low power, and secure communication has significantly risen in recent years. Researchers have shown immense interest in emerging quantum computing (QC) due to its potentials of solving the computing complexity in the robust and efficient manner. It is envisioned that QC can act as critical enablers and strong catalysts to considerably reduce the computing complexities and boost the future of sixth generation (6G) and beyond communication systems in terms of their security. In this study, the fundamentals of QC, the evolution of quantum communication that encompasses a wide spectrum of technologies and applications and quantum key distribution, which is one of the most promising applications of quantum security, have been presented. Furthermore, various parameters and important techniques are also investigated to optimise the performance of 6G communication in terms of their security, computing, and communication efficiency. Towards the end, potential challenges that QC and quantum communication may face in 6G have been highlighted along with future directions.

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Section: Quantum 6g Communication Systemmentioning

confidence: 99%

Quantum for 6G communication: A perspective

Ali

Abohmra

Usman

et al. 2023

IET Quantum Communication

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“…To simulate a higher-dimensional quantum circuit, we first need to specify the dimension of each qudit so that generalised quantum gates or quantum operations can act on a sequence of qudits effectively [26]. This can be done through a method, which returns a tuple of integers corresponding to the required dimension of each qudit it operates on, as an instance (2,3,4) means an object that acts on a qubit, a qutrit, and a ququad. To apply a generalised gate to some qudits, the dimensions of the qudits must match the dimensions it works on.…”

Section: Chatterjee Et Almentioning

confidence: 99%

“…A significant progress has been made in quantum computing recently due to its asymptotic advantage over classical computing [1][2][3][4][5]. Moreover, with the introduction of the mathematical notion of a qudit in [6], the boundaries of quantum computing are extended beyond the binary state space.…”

Section: Introductionmentioning

confidence: 99%

QuDiet: A classical simulation platform for qubit‐qudit hybrid quantum systems

Chatterjee

Das

Bala

et al. 2023

IET Quantum Communication

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In recent years, numerous research advancements have extended the limit of classical simulation of quantum algorithms. Although, most of the state‐of‐the‐art classical simulators are only limited to binary quantum systems, which restrict the classical simulation of higher‐dimensional quantum computing systems. Through recent developments in higher‐dimensional quantum computing systems, it is realised that implementing qudits improves the overall performance of a quantum algorithm by increasing memory space and reducing the asymptotic complexity of a quantum circuit. Hence, in this article, QuDiet, a state‐of‐the‐art user‐friendly python‐based higher‐dimensional quantum computing simulator is introduced. QuDiet offers multi‐valued logic operations by utilising generalised quantum gates with an abstraction so that any naive user can simulate qudit systems with ease as compared to the existing ones. Various benchmark quantum circuits is simulated in QuDiet and show the considerable speedup in simulation time as compared to the other simulators without loss in precision. Finally, QuDiet provides a full qubit‐qudit hybrid quantum simulator package with quantum circuit templates of well‐known quantum algorithms for fast prototyping and simulation. Comprehensive simulation up to 20 qutrits circuit on depth 80 on QuDiet was successfully achieved. The complete code and packages of QuDiet is available at https://github.com/LegacYFTw/QuDiet.

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“…Quantum information science and technologies [1,2] could outperform their classical counterparts on solving some certain tasks, and it mainly consists of quantum communication [3][4][5][6] and quantum computing [7][8][9][10]. Quantum communication is a promising and flourishing research for its security and efficiency.…”

Section: Introductionmentioning

confidence: 99%

The simplified quantum circuits for implementing quantum teleportation

Zhang,

Song,

Wei

2024

Preprint

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It is crucial to design quantum circuits as small as possible and as shallow as possible for quantum information processing tasks. We design quantum circuits with simplified gate-count, cost, and depth for implementing quantum teleportation among various entangled channels. Here the gate-count/cost/depth of the Greenberger-Horne-Zeilinger-based quantum teleportation is reduced from 10/6/8 to 9/4/6, the two-qubit-cluster-based quantum teleportation is reduced from 9/4/5 to 6/3/5, the three-qubit-cluster-based quantum teleportation is reduced from 12/6/7 to 8/4/5, the Brown-based quantum teleportation is reduced from 25/15/17 to 18/8/7, the Borras-based quantum teleportation is reduced from 36/25/20 to 15/8/11, and the entanglement-swapping-based quantum teleportation is reduced from 13/8/8 to 10/5/5. Note that, no feed-forward recover operation is required in the simplified schemes. Moreover, the experimentally demonstrations on IBM quantum computer indicate that our simplified and compressed schemes can be realized with good fidelity.

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An overview of quantum computing and quantum communication systems

Cited by 12 publications

References 15 publications

Quantum for 6G communication: A perspective

Quantum for 6G communication: A perspective

QuDiet: A classical simulation platform for qubit‐qudit hybrid quantum systems

The simplified quantum circuits for implementing quantum teleportation

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