Quantum Error Correction
Quantum error correction, a crucial component of quantum computing, also involves quantum gates. To ensure the accuracy of quantum calculations, error-correcting codes use a mixture of quantum gates to identify and repair faults brought on by decoherence and outside noise. This fault-tolerant protocol will be covered more heavily and detailed in the next section.
Realization of Quantum Gates
Depending on the particular qubit technology being used, such as superconducting qubits, trapped ions, or photon-based qubits, different physical implementations of quantum gates exist. To achieve precise and stable quantum operations, it is essential to control and build quantum gates.
In conclusion, the fundamental building blocks of quantum computing are quantum gates and operations, which enable the manipulation, transformation, and entanglement of qubits to carry out complicated computations that are not possible with classical computers. Building quantum algorithms and utilizing the potential of quantum information processing need the use of quantum gates.

Quantum Error Correction