Author: swetaganguly

As we conclude our multi-series exploration into the fascinating world of quantum technologies,  it’s time to look at how all the different parts fit together. We’ve talked about quantum computers, secure communication, and a brand-new kind of internet. Now let’s see how they all connect to create the communication of future. A Quick Look Back:

What’s a Quantum Repeater and Why Do We Need It? Quantum repeaters are devices designed to extend the range of quantum communication over long distances. Unlike classical repeaters that simply amplify a signal, quantum repeaters overcome signal loss by using Quantum Entanglement and a process called Entanglement Swapping to create a long-distance entangled connection. How

Now that information is converted into qubits, how are qubits sent from one quantum node to another in a Quantum Network? Qubits aren’t sent directly like classical bits in a quantum network. Instead, the process relies on a key principle of quantum mechanics called quantum entanglement and a protocol called quantum teleportation. The Qubit Journey

In a world increasingly shaped by quantum technologies, one question often puzzles even seasoned technologists: Why can’t analogue information be directly converted into qubits? At first glance, it seems intuitive—after all, quantum systems are inherently physical and continuous. But the reality is more nuanced. Analogue information isn’t converted directly into qubits because the fundamental nature of quantum

In the last blog post, we touched the the concepts of bases and correlation in the context of QKD and kept it for a detailed explanation this week. Even before understanding bases and correlation, let’s take a step back and understand why these are discussed in the context of Quantum technology. Ever wondered how classical information represented as

In an era increasingly defined by digital interdependence and the looming threat of quantum computing to conventional cryptographic paradigms, Quantum Key Distribution (QKD) stands as a revolutionary approach to secure communication. Unlike traditional encryption methods whose security relies on computational complexity and mathematical assumptions, QKD leverages the fundamental, immutable laws of quantum mechanics; specifically superposition,

Quantum communication is a revolutionary field with the potential to transform how we secure and transmit information. Its importance stems primarily from its ability to offer unprecedented levels of security and to pave the way for advanced quantum technologies. Quantum communication is an approach to transmitting information that leverages the unique and often counterintuitive principles

In a world increasingly driven by data, speed, and complexity, classical computers—no matter how powerful—are beginning to hit their limits.  Quantum computation, a revolutionary approach that promises to reshape industries, solve previously unsolvable problems, and unlock new frontiers in science and technology. What is Quantum Computation? Quantum computation is a new type of computing that

WHY THIS MATTERS Quantum Information Science (QIS) is a rapidly evolving field that harnesses the power of Quantum Mechanics and Information Theory to study the processing, analysis and transmission of information. 2025 is designated as the International Year of Quantum Science and Technology by the UN. This highlights the immense importance of the field, which