The emergence of quantum computers as a new computational paradigm has been
accompanied by speculation concerning the scope and timeline of their anticipated …

Quantum communication is a secure way to transfer quantum information and to
communicate with legitimate parties over distant places in a network. Although …

Quantum router is an essential ingredient in a quantum network. Here, we propose a new
quantum circuit for designing quantum router by using IBM's five-qubit quantum computer …

Variational Quantum Algorithms (VQA) are promising to demonstrate quantum advantages
on near-term devices. Designing ansatz, a variational circuit with parameterized gates, is of …

Construction of a fault-tolerant quantum computer remains a challenging problem due to
unavoidable noise and fragile quantum states. However, this goal can be achieved by …

Quantum teleportation is extensively used in quantum communication where a sender
sends a information to a receiver at a large distance through a quantum entangled channel …

Several techniques have been recently introduced to mitigate errors in near-term quantum
computers without the overhead required by quantum error correcting codes. While most of …

Violation of Mermin's and Svetlichny's inequalities can rule out the predictions of local
hidden variable theory and can confirm the existence of true nonlocal correlation for n …

The quantum Fourier transformation (QFT) is a key building block for a whole wealth of
quantum algorithms. Despite its proven efficiency, only a few proof-of-principle …

In this article, we propose a low-complexity quantum principal component analysis (qPCA)
algorithm. Similar to the state-of-the-art qPCA, it achieves dimension reduction by extracting …