【摘 要】
：
Multiphoton quantum states play a critical role in emerging quantum technologies and greatly improve our fundamental understanding of the quantum world.Integrat
【机 构】
：
State Key Laboratory for Modern Optical Instrumentation, Centre for Optical and Electromagnetic Rese
论文部分内容阅读
Multiphoton quantum states play a critical role in emerging quantum technologies and greatly improve our fundamental understanding of the quantum world.Integrated photonics is well recognized as an attractive technology offering great promise for the generation of photonic quantum states with high-brightness,tunability,stability,and scalability.Herein,we demonstrate the generation of multiphoton quantum states using a single-silicon nanophotonic waveguide.The detected four-photon rate reaches 0.34 Hz even with a low-pump power of 600 μW.This multiphoton quantum state is also qualified with multiphoton quantum interference,as well as quantum state tomography.For the generated four-photon states,the quantum interference visibilities are greater than 95％,and the fidelity is 0.78 ± 0.02.Furthermore,such a multiphoton quantum source is fully compatible with the on-chip processes of quantum manipulation,as well as quantum detection,which is helpful for the realization of large-scale quantum photonic integrated circuits (QPICs) and shows great potential for research in the area of multiphoton quantum science.
其他文献
The ability to combine continuously tunable narrow-band terahertz (THz) generation that can access both the farinfrared and mid-infrared regimes with nanometer-
缺铁性贫血(iron deficiency anemia,IDA)是全球四大营养障碍性疾病之一,在发展中国家发病率高达40％～50％,90年代曾是影响我国儿童健康的四大杀手之一.随着国民经济的迅速发展以
目的:观察非甾体消炎镇痛药氯诺昔康超前镇痛对胃癌患者术后血浆皮质醇浓度的影响。方法:Ⅰ组15例术前给予氯诺昔康8 mg,手术后经PCA泵以氯诺昔康和吗啡镇痛;Ⅱ组15例仅在术
记者：创新能力的提升，离不开人才保障和良好的环境氛围。请您介绍省科技厅在这方面所作的努力和工作？
Localization optoacoustic tomography provides superresolution imaging capability in 3D beyond the acoustic diffraction limit,which can be crucial for mapping mi
一个周末，扎克和格雷两兄弟与数万名游客一起乘坐游艇，登上纳布拉岛，进入“侏罗纪世界”。在“侏罗纪世界”里，游客可以乘着船、驾着车，或者坐在透明的旋转球里，欣赏身边的恐龙…… 是的，你没有看错。在电影《侏罗纪世界》里，借助现代科技，这些已经灭绝了6 500万年的生物再度出现在世人面前：威风凛凛的霸王龙、聪明的迅猛龙、坦克一般的甲龙、浑身骨板的剑龙、比犀牛还厉害的三角龙，还有副栉龙、似鸡龙、肿头龙、
A monolithic multicomponent system is proposed and implemented on a Ⅲ-nitride-on-silicon platform,whereby two multiple-quantum-well diodes (MQW-diodes) are int
一场海峡两岸青少年的科技竞赛，台湾地区代表队包揽前三，成绩为何会如此悬殊？两岸中小学生同场竞技，小细节引出大话题，这背后是否折射出教育理念、教育方法及教育实践上的差异？ 2015年8月2日，在由江苏省教育厅、江苏省科协、江苏省文明办、江苏省科技厅立项主办，科学大众杂志社、南京市科协、南京师范大学附属中学、台湾中华创意发展协会共同承办的2015海峡两岸青少年科技创新交流活动中，来自台湾地区的212
改革开放40年来,我国民营经济不断发展壮大,民营企业家也积极反哺社会,投身到公益慈善事业当中,在践行企业社会责任的同时,努力推动我国社会福利事业的发展.民营企业家通过创
新感觉派小说作为洋场文化型都市小说的代表,其作品反映了有关都市与乡村的主题,蕴藏着作者深层的情感特征与精神诉求.这些现代都市之子,享受着都市的自由便利的同时,对都市