Several materials and technologies are currently being explored to create stable and reliable qubits. These include:
Superconducting circuits - These are made using superconducting materials cooled to cryogenic temperatures. Trapped ions - Individual ions are trapped and manipulated using electromagnetic fields. Topological qubits - These are based on topological states of matter, which are resistant to local disturbances. Quantum dots - Nanoscale semiconductor particles that can trap single electrons and manipulate their spin states.
