光电量子器件研究进展(封面文章·特邀)  

Research progress of optoelectronic quantum devices(cover paper·invited)

作　　者：宋海智[1,2,3] 张子昌 周强 邓光伟 代千 王浟[1,2] Song Haizhi;Zhang Zichang;Zhou Qiang;Deng Guangwei;Dai Qian;Wang You(Quantum Research Center,Southwest Institute of Technical Physics,Chengdu 610046,China;Institute of Fundamental and Frontier Sciences,University of Electronic Science and Technology of China,Chengdu 611731,China;Laboratory of High Power Semiconductor Laser,Changchun University of Science and Technology,Changchun 130013,China)

机构地区：[1]西南技术物理研究所量子研究中心,四川成都610046 [2]电子科技大学基础与前沿研究院,四川成都611731 [3]长春理工大学高功率半导体激光器实验室,吉林长春130013

出　　处：《红外与激光工程》2024年第1期1-16,共16页Infrared and Laser Engineering

基　　金：国家重点研发计划项目(2018YFA0307400,2018YFA0306102,2019YFB2203400,2021YFA0718803);四川省科技计划项目(2020YFSY466,2021YFSY0063,2021YFSY0062,2021YFSY0064,2021YFSY0065,2021YFSY0066,2022YFSY0061,2022YFSY0062,2022YFSY0063);国家自然科学基金项目(U19A2076,62005039);量子科学技术创新计划(2021ZD0301702)。

摘　　要：量子科技的发展多年来得到了光电技术的有力支撑,笔者团队由此进行了一系列光电量子器件的研究和开发。为在光纤量子通信中实现单光子信号的按需产生,笔者设计了几种微纳柱型光腔-量子点单光子源;发展了频分复用技术,研制了高纯度、高全同的宣布式单光子源;利用GaN缺陷的单光子特性,制备了室温量子随机数发生器。笔者优化周期极化铌酸锂的级联波导结构设计,大幅提升了通信波段量子纠缠光源性能,使保真度高于97%,噪声特性提高10倍;设计和制备Si3N4微环腔纠缠源器件,实现了99%的干涉可见度,展示了芯片集成量子光源的技术可行性;应用所制备的纠缠光源,实现了数十千米光纤基量子密钥分发和量子隐形传态。笔者发展了单光子探测器制造工程,研制了用于太阳光谱量子测量的低噪声高速雪崩单光子探测器和用于量子成像的128×32及以上规模的雪崩焦平面单光子探测器。笔者制备了光纤基量子存储器,实现了1 650个光子模式的有效存储;研究了光机械量子器件的原理机制,探索了纳米光机电系统用于量子精密测量的技术前景。希望以上综述为未来量子信息网络的发展提供研究参考和技术储备。Significance Quantum information science has now attracted significant attention,since it has been well proved and is believed to support quantum computation,quantum communication and quantum metrology in the near future.Characteristics of quantum states have opened the opportunities to accomplish tasks beyond classical limits,resulting in a frontier field of quantum technologies.Among them,quantum computation technology can accelerate the speed of computers exponentially with respect to the classical machine.Quantum communication technology guarantees completely secure communication,and quantum measurement technology can greatly optimize the sensitivity and/or resolution of many instruments.These potential accomplishments have led to the development of innovative and advanced applications in various fields,and therefore people are presently struggling to construct efficient quantum information systems and quantum networks.To realize practical quantum information systems and quantum networks,fundamental devices must be firstly well developed.The successful fabrication of superconductor quantum circuit chips led to an achievement of constructing quantum computer consists of 127 qubits.Realization of more general quantum computers needs much larger scaled,more robust,more quantum logic circuit chip consisting of probably superconductors,cold atoms,semiconductors,photonic crystals etc.The primary obstacles in establishing a quantum network involve the distribution of entangled qubits among nodes that are physically distant from each other,which needs high-performance entangled photon source and quantum memory.Among various types of quantum devices,optoelectronic devices play a key and central role,since the advanced microelectronic,optical and optoelectronic platforms enable fabricating the building blocks for most of the quantum information processing systems.Technologies based on optoelectronics have the potential to realize a complete product chain in the field of quantum information.This work shows the study or

关 键 词：光电子学 量子器件 量子信息 单光子 量子纠缠 量子网络 

分 类 号：TN29[电子电信—物理电子学]