设万维读者为首页 广告服务 技术服务 联系我们 关于万维
简体 繁体 手机版
分类广告
版主:诤友
万维读者网 > 教育学术 > 帖子
儿子的博士论文
送交者: 谢盛友文集 2018年03月15日01:28:53 于 [教育学术] 发送悄悄话

儿子的博士论文

https://arxiv.org/abs/1803.04711

 

Scalable 3D quantum memory

Edwar Xie, Frank Deppe, Daniel Repp, Peter Eder, Michael Fischer, Jan Goetz, Stefan Pogorzalek, Kirill G. Fedorov, Achim Marx, Rudolf Gross

(Submitted on 13 Mar 2018)

Superconducting 3D microwave cavities offer state-of-the-art coherence times and a well controlled environment for superconducting qubits. In order to realize at the same time fast readout and long-lived quantum information storage, one can couple the qubit both to a low-quality readout and a high-quality storage cavity. However, such systems are bulky compared to their less coherent 2D counterparts. A more compact and scalable approach is achieved by making use of the multimode structure of a 3D cavity. In our work, we investigate such a device where a transmon qubit is capacitively coupled to two modes of a single 3D cavity. The external coupling is engineered so that the memory mode has an about 100 times larger quality factor than the readout mode. Using an all-microwave second-order protocol, we realize a lifetime enhancement of the stored state over the qubit lifetime by a factor of6with aZ-fidelity of82%. We also find that this enhancement is not limited by fundamental constraints.

Comments:

5 pages, 4 figures

Subjects:

Quantum Physics (quant-ph)

Cite as:

arXiv:1803.04711 [quant-ph]


(or arXiv:1803.04711v1 [quant-ph] for this version)

Submission history

From: Edwar Xie [view email]
[v1] Tue, 13 Mar 2018 10:12:24 GMT (942kb,D)

Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

 


0%(0)
0%(0)
标 题 (必选项):
内 容 (选填项):
实用资讯
发龙药业大回馈!美国专利骨胶原、活心素、灯盏素、排毒养颜宝购买两疗程免费邮寄中国
天天养生,保健礼品,物超所值,疯狂现金折扣,直销美加,港台,大陆,东南亚
最劲爆,最给力美国专利产品<骨精华>消除关节痛、骨质疏松<心血通>预防心肌梗塞
免开通费,30天免费试用中文电视万花筒, 无捆绑服务,月费5.99
西洋参、羊胎盘、鱼油卵磷脂200多种送礼自用健康佳品,全部特价!由此进入
留美学生医疗保险$39/月,短期访美旅游保险,不需体检无年龄限制
一周点击热帖 更多>>
一周回复热帖
历史上的今天:回复热帖
2017: “金陵金领”海外人才猎聘活动
2017: 悲催"两会代表"点评“雾霾讨论A全民科普
2016: 为什么人是“在”- 而不是“存在”或“
2016: 溪谷闲人:太空,美国的新疆界
2015: 曲氏六言绝律第三谱--壹种与曲氏六言绝
2015: 曲氏六言绝律第四谱
2014: 中国政府剥夺出国人民中国出生国籍人神
2014: 知者不言,言者不知
2013: 我没像你挑过农村担子,应该可以耘田耘
2013: 所谓“反对双重国籍”的提法违反中国法