Quantum Internet- Applications, Functionalities, Enabling Technologies, Challenges, and Research Directions
Amoldeep Singh, Kapal Dev, Harun Siljak, Hem Dutt Joshi, Maurizio, Magarini

TL;DR
This paper surveys the functionalities, technologies, applications, and challenges of quantum internet, emphasizing its potential for secure communication and the scientific advancements needed for its realization.
Contribution
It provides a comprehensive overview of quantum internet components, highlighting recent research on quantum teleportation and the infrastructure challenges involved.
Findings
Quantum internet offers enhanced security through quantum cryptography.
Quantum teleportation is a key technique for long-distance quantum communication.
Significant research is ongoing to overcome distance and implementation challenges.
Abstract
The advanced notebooks, mobile phones, and internet applications in today's world that we use are all entrenched in classical communication bits of zeros and ones. Classical internet has laid its foundation originating from the amalgamation of mathematics and Claude Shannon's theory of information. But today's internet technology is a playground for eavesdroppers. This poses a serious challenge to various applications that relies on classical internet technology. This has motivated the researchers to switch to new technologies that are fundamentally more secure. Exploring the quantum effects, researchers paved the way into quantum networks that provide security, privacy and range of capabilities such as quantum computation, communication and metrology. The realization of quantum internet requires quantum communication between various remote nodes through quantum channels guarded by…
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