Engineering Experts

Yuxiang Liu

Assistant Professor
Mechanical Engineering
Worcester Polytechnic Institute
United States of America


PhD Mechanical Engineering University of Maryland, College Park 2011 MS University of Science and Technology of China 2005 BS University of Science and Technology of China 2002 The overarching theme of my research is light-matter interactions and their applications in microscale and nanoscale. Particularly, my research interests include optical trapping, optofluidics, nanophotonics, cavity optomechanics, and fiber optic sensing systems, with an emphasis on optical actuation, damping, and sensing of mechanics in micro-/nano-scale structures and biological specimens. The potential applications of my research include on-chip disease diagnosis, in vivo disease treatments, motion detection in consumer electronics, health monitoring, and biomechanics. My research has been published in journals including Nature Nanotechnology, Physical Review Letters, Optics Letters, and Optics Express. Teaching is an enjoyable process for me because it allows me to pass my knowledge on to students as well as to share with them my attitude towards learning. I am satisfied to be able to help students with their personal development. In the meantime, teaching is also a self-development process for me through the interactions with my students.

Research Interest

Optofluidics Nanophotonics cavity optomechanics optical trapping fiber optic sensors


  • Yuxiang Liu, Houxun Miao, Vladimir Aksyuk, and Kartik Srinivasan, “Wide cantilever stiffness range cavity optomechanical sensors for atomic force microscopy,” Optics Express 20, 18268-18280 (2012)

  • Ling Tong, Yuxiang Liu, Bridget D. Dolash, Yookyung Jung, Mikhail N. Slipchenko, Donald E. Bergstrom, Ji-Xin Cheng, "Label-free Imaging of Semiconducting and Metallic Carbon Nanotubes in Cells and Mice Using Transient Absorption Microscopy," Nature Nanotechnology 7, 56-61 (2012)

  • Yuxiang Liu and Miao Yu, “Optical Manipulation and Binding of Microrods with Multiple Traps Enabled in an Inclined Dual-fiber System,” Biomicrofluidics 4, 043010 (2010)

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