Xiaoqin Shen


Group Leader

Xiaoqin Shen, Assistant Professor/PI
Office: 物院6-514E | SPST 6-514E
Email: shenxq@@shanghaitech.edu.cn

ORCID: 0000-0002-7609-0108; ResearchID: I-4685-2013


2018.12 –to date Assistant Professor/PI, ShanghaiTech University
2014.8-2018.8 Postdoc, University of Southern California
2013.3-2018.8 Postdoc, University of California, Santa Barbara
2013.8 PhD, National University of Singapore
2008.7 MSc, University of Science and Technology of China
2005.7 BE, Hainan University


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By utilizing advanced laser and optical approaches, we study organic materials and nonlinear optics. We emphasis in understanding the fundamentals in interdisciplinary problems, with the aim to explore organic optical materials for applications in microcavity photonics, biomedical photonics and integrated optoelectronics. It can be classified into three subareas:

1, novel high quality microcavities for photonics, nonlinear optics and optoelectronics

2, exploring nano/micro luminescent materials for biomedical applications

3, organic luminescent and nonlinear optical materials

Current research interest includes: novel high quality factor (Q) optical microcavities, molecular opto-magneto materials and devices, cavity photonics and spintronics, integrated chemical/biological sensors, flexible photonics.

Group News 

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Dec 2. Our research work was published on Nature Photonics! Congrats to all the coworkers! We managed to realize the excitation of an exceptional nonlinear process, named Surface Stimulated Raman Scattering (SSRS), from a single-molecule layer grafted on a on-chip microcavity. The SSRS in turns boosts the Raman lasing performance of the device.

Surface stimulated Raman had been considered to be not possible or challenging, since 1980 after the Bell Laboratory, United States failed to obtain on clear stimulated Raman spectra from molecules on a sapphire surface. From then on, surface nonlinear optics had been solely refered to surface second harmonic generation (SSHG), a well-estiblished surface nonliear optical technique pioneered by Yuen-Ron Shen at UC Berkeley in 1980s. 

Unlike traditioal ultrafast laser spectroscopic approaches, whispering gallery mode microresonators offer an otherwise non-achievable platform/tool for the excitation of nonlinear optical processes. Our work is the first demonstration of SSRS nonlinear process.

Nov 29. Xiaoqin Shen gave an invited talk at Institute of Chemistry, CAS, Beijing (中科院化学所).

In coming. On Nov 14, Xiaoqin Shen will give an oral presentation in The 12th International Photonics and OptoElectronics Meeting (POEM 2019), Wuhan, Hubei.

In coming. On Nov 13, Xiaoqin Shen will give an invited talk at Wuhan National Laboratory for Optoelectronic (武汉光电国家研究中心).

Oct 25. Our paper published on Physical Review Letters was featured on cover(封面报道)and highlighted as editor's suggestion.

Oct 20. Xiaoqin Shen will give an invited talk at the Microcavity Workshop, Photonics Asia 2019(亚洲光电子会议), Hangzhou, Zhejiang.

Oct 1. Our recent work collaborated with Yunfeng Xiao’s group at PKU was just accepted by Physical Review Letters, titled “Microcavity nonlinear optics with an organically functionalized surface”. Congratulations to all the coworkers! 

Jun 2. Xiaoqin Shen gave an invited talk on 2019 Microcavity Photonics Symposium, Nankai University, Tianjin.


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2.  Xiaoqin Shen*, H. Choi, D. Chen, W. Zhao, A. Armani*, Raman laser from an optical microcavity grafted with a single molecule layer.Nat. Photon. 2019. DOI:10.1038/s41566-019-0563-7

---Also see ShanghaiTech News: 物质学院沈晓钦课题组在表面非线性光学研究取得重要进展

1.  J-h Chen#, Xiaoqin Shen#, S-J Tang, Q-T Cao, Q. Gong, Y-F Xiao*, Microcavity nonlinear optics with an organically functionalized surface. Phys. Rev. Lett. 2019, 123 173902

---Higlighted as Editor's suggestion and featured on the cover (Vol. 123, Iss. 17, Phys. Rev. Lett.)

---Also See ShanghaiTech News: 物质学院沈晓钦课题组与合作者在有机修饰微腔光学研究取得重要进展


Xiaoqin Shen*, R. Beltran, V. Diep, S. Soltani, A. Armani*, Low threshold parametric oscillation in organically modified microcavities. Science Advances 2018, 4(1), eaao4507

---Selected as cover story for the brochure on CW Tunable Lasers for Quantum Applications, by Spectra-PhysicsTM

Before 2018, Selected

10.  D. Chen, A. Kovach, X. Shen, V. Gambin, A. Armani*, Environmental stable ultra-high Q silicon oxynitride optical resonators. ACS Photonics 2017, 4, 2376

9.  Xiaoqin Shen, Y. Zheng, F. Wudl*, Thermally induced reversible solide-state transformation of novel s-indancene 1,3,5,7-tetraone derivatives. J. Mater. Chem. C 2016, 4 2427

8.  L. Dou, Y. Zheng, Xiaoqin Shen, G. Wu, K. Fields, W-C Hsu, H. Zhou, Y. Yang*, F. Wudl*, Single-crystal linear polymers through visible light-triggered topochemical quantitative polymerization. Science 2014, 343, 272

----Also see Perspectives by Nancy Goroff: ' A clear path for polymer crystallization', Science 2014, 343, 258

7.  Xiaoqin Shen, S. Li, L. Li, S. Q. Yao, Q-H Xu*, Highly efficient conjugated polymer nano-photosensitizers for targeted two-photon photodynamic therapy and imaging. Chem. Eur. J.2015, 21, 2214

6.  Xiaoqin Shen, L. Li, A. Chan, S. Q. Yao, Q-H Xu*, Water soluble conjugated polymers for simultaneous two-photon cell imaging and two-photon photodynamic therapy. Adv. Opt. Mater. 2013, 1, 92

5.  L. Li, Xiaoqin Shen, Q-H Xu, S. Q. Yao*, A switchable two-photon membrane tracer capable of imaging membranceassociated protein tyrosine phosphatase activities. Angew. Chem. Int. Ed. 2012, 51, 1

4.  Xiaoqin Shen, L. Li, H. Wu, S. Q. Yao, Q-H Xu*, Photosensitizer-doped conjugated polymer nanoparticles for simultaneous two-photon imaging and two-photon photodynamic therapy in living cells. Nanoscale 2011, 3, 5140

---Selected asTop 20 Articles in the domain 'two-photon, imaging, sensing, therapy' by DoMedLib, 2012

3.  Xiaoqin Shen, F. He, J. Wu, G. Q. Xu, S. Q. Yao, Q-H Xu*, Enhanced two-photon singlet oxygen generation by photosensitizer-doped conjugated polymer nanoparticles. Langmuir 2011, 27, 739

---Selected asTop 20 Articles in the domain 'two-photon, imaging, sensing, therapy' by DoMedLib, 2012

2.  R. Shen, Xiaoqin Shen, Z. Zhang, Y. Li, S. Liu, H. Liu*, Multi-functional conjugates to prepare nucleolar-targeting CdS quantum dots. J. Am. Chem. Soc. 2010, 132, 8627

1.  Xiaoqin. Shen, H. Liu*, Y. Li, S. Liu, Click-together azobezene dendrons: synthesis and characterization. Macromolecules 2008, 41, 2421

---Highlighed in Noteworthy Chemistry ACS, May 2008, by Ben Zhong Tang

Group Members

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戴阅 Yue Dai

2019 Graduate   

BS: Physics, ShanghaiTech


汪洋 Yang Wang

2019 Graduate   

BS: Applied Chemistry, Hefei Uni. Tech.


张毅乐 Yile Zhang

Class 2020 Undergrad 

Physics, ShanghaiTech



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Welcome undergrads and graduate students with backgrounds in optics, physics, materials or chemistry to join the group. ★ We are hiring! RESEARCH SCIENTIST and POSTDOC positions are available immediately. Feel free to contact the PI.


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