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腔耦合量子点系统的非常规几何量子计算
  • ISSN号：1007-5461
  • 期刊名称：《量子电子学报》
  • 时间：0
  • 分类：O431.2[机械工程—光学工程;理学—光学;理学—物理] O562[理学—原子与分子物理;理学—物理]
  • 作者机构：[1]皖西学院数理系,安徽六安237012, [2]合肥师范学院物理与电子工程系,安徽合肥230061
  • 相关基金：国家自然科学基金（60678022,10704001）、安徽省教育厅自然科学基金（kj2009A048Z）
作者： 张刚[1], 董萍[2]
关键词： 量子光学, 几何量子计算, 量子点, 拉曼过程, quantum optics, geometric quantum computation, quantum dot, Raman interaction
中文摘要：

提出了在量子点与腔相互作用系统中，利用双拉曼过程来实现非常规几何量子逻辑门方案。在本方案中，所有的演化本身与腔场态无关，因而对热场是不敏感的。在总位相中既包含有几何位相，又包含有动力学位相，但它的确仅依赖于量子态演化的整体几何特征．通过调节耦合常数和失谐量来选择所要的量子控制门，在实际的操作中不需要考虑消除动力学相位问题，因而易于操作，且避免因消除动力学相位引入的误差．

英文摘要：

A scheme for realizing unconventional geometric quantum logical gates with quantum dots in a microcavity, via double channel Raman interactions, is introduced. In the scheme, all of the operations are independent on the state of cavity mode, and thus insensitive to the thermal cavity field states. The total accumulated phase includes both geometric and dynamic phases, but it still depends only on global features of the process. The required quantum gates can be obtained by adjusting coupling constant and detunings. It＇s relatively easy in implementation by waiving the needs of eliminating dynamic phases, and it can reach higher fidelity by avoiding the additional errors in the process of eliminating dynamic phases.

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期刊信息
  • 《量子电子学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国光学学会基础光学专业委员会 中国科学院安徽光学精密机械研究所
  • 主编：龚知本
  • 地址：合肥1125号信箱
  • 邮编：230031
  • 邮箱：lk@aiofm.ac.cn
  • 电话：0551-5591564
  • 国际标准刊号：ISSN：1007-5461
  • 国内统一刊号：ISSN：34-1163/TN
  • 邮发代号:26-89
  • 获奖情况:
  • 1997年获“中国光学期刊”二等奖,1994年评比华东地区优秀期刊三等奖,1998年评为安徽省优秀科技期刊二等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,美国剑桥科学文摘,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:4844