接口
可扩展性
架空(工程)
计算机科学
量子计算机
光子
实现(概率)
探测器
资源(消歧)
量子
量子网络
计算机工程
电子工程
物理
计算机硬件
光学
电信
计算机网络
量子力学
工程类
数学
操作系统
统计
数据库
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2007-12-07
卷期号:318 (5856): 1567-1570
被引量:860
标识
DOI:10.1126/science.1142892
摘要
In 2001, all-optical quantum computing became feasible with the discovery that scalable quantum computing is possible using only single-photon sources, linear optical elements, and single-photon detectors. Although it was in principle scalable, the massive resource overhead made the scheme practically daunting. However, several simplifications were followed by proof-of-principle demonstrations, and recent approaches based on cluster states or error encoding have dramatically reduced this worrying resource overhead, making an all-optical architecture a serious contender for the ultimate goal of a large-scale quantum computer. Key challenges will be the realization of high-efficiency sources of indistinguishable single photons, low-loss, scalable optical circuits, high-efficiency single-photon detectors, and low-loss interfacing of these components.
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