Summary
We have covered a lot of important concepts in this chapter, ranging from multi-qubit gates to constructing quantum circuits to teleportation and superdense coding. By now, you have gained a thorough understanding of entanglement and the thought process behind making complex circuits, such as teleportation and superdense coding. The important applications learned in this chapter – teleportation and superdense coding – are heavily used for quantum communications. This will help you to appreciate the ongoing research and work happening in the field of quantum communication and cryptography.
In the next chapter, we will discuss the physical or hardware realization of a quantum computer and compare some of the popular hardware technologies used to build a quantum computer.