量子信息是物理学,特别是量子力学和信息学的交叉学科，是通过量子系统的各种相干特性，进行计算、编码和信息传输的全新信息处理方式。在研究量子信息的各种物理体系中，光学量子系统所使用的光子比特具有速度快、信息编码自由度多、容量大等多个优势，因此在量子计算、量子通讯和量子精密测量等各个领域都得到了飞速发展。而小型化、集成化是解决空间光学量子系统稳定性差、不可扩展等问题，使其走向大规模和实用化的必经之路。

    任希锋教授研究组主要从事集成量子光学方面的理论和实验研究，该研究方向是量子光学、集成光学和微纳光学的交叉融合，其核心目标是将量子光源、光量子操作及量子测量集成到可扩展的光学芯片上，从而实现实用化光学量子计算、量子模拟和量子精密测量。具体包括：

1. 实用化集成量子光源（基于新型微纳光学结构、材料等的多自由度、多光子纠缠源等）: 

Nat. Commun. 15, 10461 (2024), eLight 4, 16 (2024), Nature 613, 53 (2023), Optica 10, 702 (2023), Optica 10, 538(2023), Optica 10, 105 (2023), Phys. Rev. Lett. 127, 153901 (2021), Science 368, 1487 (2020), Light Sci. Appl. 8, 41  (2019); 

2. 高集成度量子操作芯片（基于硅基、飞秒激光直写等的量子逻辑门、量子模拟等）: 

PhotoniX 4, 12 (2023), Phys. Rev. Lett. 129, 173601 (2022), Phys. Rev. Lett. 128, 060501 (2022), Laser Photonics Rev. 16, 2100595 (2022), Phys. Rev. Lett. 126, 230503 (2021), Phys. Rev. Lett. 126, 130501 (2021), Nat. Commun. 7, 11985 (2016);

3. 新型微纳光学量子器件（基于量子表面等离激元、超构表面等的量子态调控技术）: 

Nano Lett. 23, 3209 (2023), Light Sci. Appl. 11, 58 (2022), Nano Lett. 22, 2244 (2022), Optica 5, 1229 (2018),  Adv. Opt. Photonics 10, 703 (2018), Nano Lett. 15, 2380 (2015), Small 11, 3728 (2015) .

期刊论文：

• 1. Qiangbing Guo*, Yun-Kun Wu, Di Zhang, Qiuhong Zhang, Guang-Can Guo, Andrea Alù, Xi-Feng Ren* and Cheng-Wei Qiu*, Polarization entanglement enabled by orthogonally stacked van der Waals NbOCl2 crystals, Nat. Commun. 15, 10461 (2024).

• 2. Jiangang Feng, Yun-Kun Wu*, Ruihuan Duan, Jun Wang, Weijin Chen, Jiazhang Qin, Zheng Liu, Guang-Can Guo, Xi-Feng Ren*  and Cheng-Wei Qiu*, Polarization-entangled photon-pair source with van der Waals 3R-WS2 crystal, eLight 4, 16 (2024).

• 3. Qiangbing Guo*, Xiao-Zhuo Qi, Lishu Zhang, Meng Gao, Sanlue Hu, Wenju Zhou, Wenjie Zang, Xiaoxu Zhao, Junyong Wang, Bingmin Yan, Mingquan Xu, Yun-Kun Wu, Goki Eda, Zewen Xiao, Shengyuan A. Yang, Huiyang Gou, Yuan Ping Feng, Guang-Can Guo, Wu Zhou, Xi-Feng Ren*, Cheng-Wei Qiu*, Stephen J. Pennycook* & Andrew T. S. Wee*, Ultrathin quantum light source with van der Waals NbOCl2 crystal，Nature 613, 53–59 (2023).

• 4. Li-Cheng Wang, Yang Chen, Ming Gong, Feng Yu, Qi-Dai Chen, Zhen-Nan Tian*, Xi-Feng Ren*, and Hong-Bo Sun*, Edge State, Localization Length, and Critical Exponent from Survival Probability in Topological Waveguides，Phys. Rev. Lett. 129, 173601 (2022).

• 5. Lan-Tian Feng, Ming Zhang, Xiao Xiong, Di Liu, Yu-Jie Cheng, Fang-Ming Jing, Xiao-Zhuo Qi, Yang Chen, De-Yong He, Guo-Ping Guo, Guang-Can Guo, Dao-Xin Dai*, and Xi-Feng Ren*, Transverse Mode-Encoded Quantum Gate on a Silicon Photonic Chip, Phys. Rev. Lett. 128, 060501 (2022).

• 6. Shuai Yuan, Yunkun Wu, Zhongzhou Dang, Cheng Zeng, Xiaozhuo Qi, Guangcan Guo, Xifeng Ren* and Jinsong Xia*, Strongly Enhanced Second Harmonic Generation in a Thin Film Lithium Niobate Heterostructure Cavity, Phys. Rev. Lett. 127, 153901 (2021).

• 7. Yang Chen , Xin-Tao He , Yu-Jie Cheng, Hao-Yang Qiu, Lan-Tian Feng, Ming Zhang, Dao-Xin Dai, Guang-Can Guo, Jian-Wen Dong*, and Xi-Feng Ren*, Topologically Protected Valley-Dependent Quantum Photonic Circuits, Phys. Rev. Lett. 126, 230503 (2021). 

• 8. Ming Zhang, Lantian Feng, Ming Li, Yang Chen, Long Zhang, Deyong He, Guoping Guo, Guangcan Guo, Xifeng Ren*, and Daoxin Dai*, Supercompact Photonic Quantum Logic Gate on a Silicon Chip, Phys. Rev. Lett. 126, 130501 (2021).

• 9. Lin Li#, Zexuan Liu#, Xifeng Ren#, Shuming Wang#,*, Vin-Cent Su, Mu-Ku Chen, Cheng Hung Chu, Hsin Yu Kuo, Biheng Liu, Wenbo Zang, Guangcan Guo, Lijian Zhang*, Zhenlin Wang*, Shining Zhu*, and Din Ping Tsai*, Metalens-array-based high-dimensional and multi-photon quantum source, Science 368, 1487-1490 (2020).

• 10. Lan-Tian Feng, Ming Zhang, Zhi-Yuan Zhou, Ming Li, Xiao Xiong, Le Yu, Bao-Sen Shi, Guo-Ping Guo, Dao-Xin Dai*, Xi-Feng Ren* & Guang-Can Guo, On-chip coherent conversion of photonic quantum entanglement between different degrees of freedom, Nat. Commun. 7, 11985 (2016).

邀请综述：

• 1. 陈阳，张天炀，郭光灿，任希锋*，基于集成光芯片的量子模拟研究进展（特邀综述），《物理学报》Acta Physica Sinica, 71, 244207 (2022).

• 2. Lantian Feng, Ming Zhang, Jianwei Wang, Xiaoqi Zhou, Xiaogang Qiang, Guangcan Guo, and Xifeng Ren*, Silicon photonic devices for scalable quantum information applications, Photon. Res. 10, A135-A153 (2022)

• 3. 吴赟琨，任希锋*， 银纳米线波导在量子光学中的应用（特邀综述），《光子学报》Acta Photonica Sinica 51, 0551306 (2022).

• 4. Lan-Tian Feng, Guang-Can Guo, and Xi-Feng Ren*, Progress on Integrated Quantum Photonic Sources with Silicon, Adv. Quantum Technol. 3, 1900058 (2020).

• 5. Da Xu, Xiao Xiong, Lin Wu*, Xi-Feng Ren*, Ching Eng Png, Guang-Can Guo, Qihuang Gong, and Yun-Feng Xiao*, Quantum plasmonics: new opportunity in fundamental and applied photonics, Advances in Optics and Photonics 10, 703 (2018).

• 6. Ming Li, Yang Chen, Guangcan Guo, Xifeng Ren* , Recent progress of the application of surface plasmon polariton in quantum information processing, 《物理学报》ACTA PHYSICA SINICA 66, 14，144202 (2017).

• 7. Yong Jun Li, Xiao Xiong, Chang-Ling Zou, Xi Feng Ren*, and Yong Sheng Zhao*, One-Dimensional Dielectric/Metallic Hybrid Materials for Photonic Applications, Small 11, 3728-3743 (2015)

• 8. Xiao Xiong, Chang-Ling Zou, Xi-Feng Ren*, Ai-Ping Liu, Yan-Xia Ye, Fang-Wen Sun, and Guang-Can Guo, Silver nanowires for photonics applications, Laser Photonics Rev. 7, 901–919 (2013).