Quantum dense coding is one of the most important protocols in quantum communication. It
derives from the idea of using quantum resources to boost the communication capacity and …

Quantum computers solve ever more complex tasks using steadily growing system sizes.
Characterizing these quantum systems is vital, yet becoming increasingly challenging. The …

Quantum entanglement, a fundamental aspect of quantum mechanics, has captured
significant attention in the era of quantum information science. In multipartite quantum …

Absolutely maximally entangled (AME) states are those multipartite quantum states that
carry absolute maximum entanglement in all possible bipartitions. AME states are known to …

Quantum Cryptography: Key Distribution and Beyond Page 1 Quantum Cryptography: Key
Distribution and Beyond Akshata Shenoy-Hejamadi 1, Anirban Pathak 2 & Srikanth …

We provide various schemes for the splitting up of quantum information into parts using four-
and five-partite cluster states. Explicit protocols for the quantum information splitting (QIS) of …

An explicit scheme (quantum circuit) is designed for the teleportation of an n-qubit quantum
state. It is established that the proposed scheme requires an optimal amount of quantum …

We present a scheme for bidirectional controlled teleportation by using a six-qubit cluster
state as quantum channel. Based on the C-not operation and single qubit measurements …

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 …

In this paper, we present a verifiable arbitrated quantum signature scheme based on
controlled quantum teleportation. The five-qubit entangled state functions as a quantum …