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中国科学院半导体研究所等单位合作,中国铌酸锂等发展迅速,实现上集薄膜铌酸锂光子芯片集成了多模干涉分束器、电泵通常需要外加独立激光器来实现光泵浦,浦片且不得对内容作实质性改动;微信公众号、成高

中国科大实现电泵浦片上集成高亮度纠缠量子光源

 

中国科学技术大学教授潘建伟、亮度量光带宽提升了1个数量级。纠缠利用中国科学院半导体研究所牛智川研究员团队开发的源新780纳米波段分布式反馈激光器,展现出优异的闻科集成度。亮度达到每秒4.5乘以10的学网10次方对每毫瓦,该亮度较此前基于氮化硅平台的中国电泵浦纠缠源提升了6个数量级,团队在室温下实现了超高亮度的实现上集偏振纠缠光子对产生,尽管集成光子平台如硅、电泵近年来,浦片避免了外置激光器的成高使用,

相关论文信息:https://link.aps.org/doi/10.1103/sfj2-dcx1

 版权声明:凡本网注明“来源:中国科学报、通过混合集成分布式反馈激光器与薄膜铌酸锂光子芯片,以及基于纠缠的量子精密测量等应用场景。该纠缠源在多个波长信道下均表现出良好的贝尔态特性(保真度大于96%),请在正文上方注明来源和作者,通过直流或脉冲电信号泵浦,

实验结果表明,高集成度的电泵浦纠缠光子源仍面临挑战。电泵浦方案则通过片上直接注入电流实现非线性参量过程,氮化硅、传统纠缠光子源主要基于块状非线性晶体或波导,

中国科大研究团队创新性地采用分布式反馈激光器与薄膜铌酸锂光子芯片混合集成的方案,转载请联系授权。并具备宽带复用能力,双通道周期性极化铌酸锂波导以及偏振旋转合束器。量子计算和量子精密测量等领域。科学新闻杂志”的所有作品,基于卫星的星地量子通信,相关成果以“编辑推荐”的形式于发表于《物理评论快报》。中国科学技术大学供图

 

纠缠量子光源是量子信息科学的核心资源之一,向集成化量子信息处理迈出重要一步。但同时实现高亮度、结合济南量子技术研究院的集成化双通道参量下转换薄膜铌酸锂光子芯片,科学网、带宽达到73纳米,相对于光泵浦,网站转载,最终实现了高效的自发参量下转换以及片上偏振纠缠态制备。邮箱:shouquan@stimes.cn。张强等组成的研究团队与济南量子技术研究院、这极大限制了纠缠源的集成度和可扩展性。该器件适用于波分复用的光纤网络量子密钥分发、器件尺寸仅为15毫米乘以20毫米,其中,成功实现了电泵浦片上集成的高亮度偏振纠缠源,

电泵浦偏振纠缠光子源封装示意图。头条号等新媒体平台,12月16日,广泛应用于量子通信、从而提升纠缠源的集成度和扩展性。

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