Research Frontier of Quantum Computers
Hiroshi Yamaguchi · NTT technical review · 2012
This article introduces quantum computing, the topic of the Feature Articles in this issue.More than ten years have already passed since the study of devices for quantum computers began.During this time, the technology for manipulating the quantum state of the basic element, the qubit, has greatly improved, but fundamental problems have also been revealed.The Feature Articles in this issue review new attempts underway in our laboratories to overcome such problems.