Superconducting circuits and trapped ions are two leading approaches in quantum computing from "summary" of Quantum Supremacy by Michio Kaku
Superconducting circuits and trapped ions are two leading approaches in quantum computing. Superconducting circuits involve tiny loops of superconducting material that can carry electric current without resistance. These circuits are manipulated using microwave pulses and cooled to temperatures near absolute zero to maintain their quantum properties. Trapped ions, on the other hand, involve individual atoms that are trapped and manipulated using electric fields. By isolating these ions, researchers can control their quantum states with precision. Superconducting circuits have gained popularity due to their scalability and ease of manipulation. They can be fabricated using standard microfabrication techniques, making them relatively simple to produce. Additionally, their quantum states can be controlled using microwave pulses, allowing for efficient computation. Trapped ions, on the other hand, offer long coherence times, making them suitable for error correction in quantum algorithms. By isolating indi...
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