Jan. 17, 2022
2 minute read
Multi-Qubit Circuits
After learning about single-qubit gates and states, it will be much easier to learn about multi-qubit counterparts. One of the main types of multi-qubit gates are controlled gates. These differ from single-qubit gates because th...
Jan. 11, 2022
2 minute read
Two Applications of Quantum Computing
As researchers are discovering new applications for quantum computing, currently we know of several useful applications. One of those is search and optimization. In this application, quantum computing can be used where...
Dec. 16, 2021
3 minute read
Quantum Reversibility and Phase
Compared to classical computing, reversibility and phase are unique to quantum computing. Reversibility...
Dec. 16, 2021
3 minute read
Eavesdropping Quantum Key Distribution
The goal of Quantum Key Distribution (QKD) is to ensure you are having secure and private communication with the recipient. The benefit of QKD is that this can be detected and verified. Adding Eve — The “Eve”sdropper...
Dec. 8, 2021
4 minute read
Quantum Key Distribution for Cybersecurity
If you’ve been in the cyberspace for a while, you may have heard that instant messaging services, like iMessages, WhatsApp, Telegram, and Facebook Messenger, have something called end-to-end encryption. This...
Dec. 1, 2021
2 minute read
Qubits in Quantum Computers
We keep saying that quantum computers will provide us with an exponential speedup for computing and increase storage space compared to traditional/classical systems we use today. How can we visualize this...
Nov. 18, 2021
2 minute read
Mathematics for Quantum Measurement
In any quantum circuit, the final step is to measure the qubits. As presented before, there are two critical properties of quantum measurements. By observing/measuring a quantum state, we can change it. The outcome of...
Nov. 10, 2021
3 minute read
Mathematics for Quantum Gates
Once you realize that linear algebra is just a sprinkle of algebra with matrices and vectors, it’s not that scary. Back to the Quantum Stack, the next level up from qubits is quantum gates. These allow you to manipulat...
Oct. 31, 2021
When many people hear the word “math,” they think it is some formidable and intimidating task. Don’t worry, to understand quantum computing, you don’t need to have taken the most advanced calculus course in school...
Oct. 27, 2021
2 minute read
Measuring Qubits and the Z Gate
As introduced earlier, the X and H gates are very important in quantum computing because they allow us to flip qubits and put them into equal superposition. However, the Z gate is just as important. Z Gate As the gat...
Oct. 20, 2021
4 minute read
Representing States for Quantum Computing
In the previous two articles, I talked about Quantum Mechanics. Let’s review two of the properties with an example: finding the exit of a maze. Through superposition, we can use qubits to examine all possibilities at...
Oct. 12, 2021
4 minute read
What are Quantum Objects?
To answer the title, it is important to understand the behaviors of objects in the classical world. The two possible objects are waves and particles, through which we can explain classical physics. So should we use the rul...
Oct. 5, 2021
5 minute read
What Makes Up The Quantum World
Quantum Mechanics To give a simple definition, quantum mechanics is the study of motion and interaction of really small objects. Now, by really small objects, this doesn’t mean a golf ball or a speck of dust, this means object...
Sep. 26, 2021
3 minute read
Quantum and Classical Stacks
The Stacks Both in classical and quantum computers, they have their own stack that they work on. There are many general similarities, but when it comes down to how they work on the lowest level, they are very different...