The NE2lab is interested in linking structures with functions, especially in ways they haven’t connected before, and developing novel devices from the discoveries. Specifically, one of our current topics is to develop integrated topological phononic systems for applications like next-generation communication and quantum acoustics. To achieve such goals, we apply electrical engineering, nanotechnology, physics, and materials engineering methods.

Our enthusiasm for research is driven by curiosity, the fun of exploration, and the need to improve our world. We also like to connect research with society through reach-out events.



Geometrical phase: falling cats and edge modes
Visualizing phonon edge mode using TMIM
Simulated chiral edge states in piezomagnetic system
Engineer domain walls in trilayer graphene
Carbon nanotube sensor chip for "electronic nose"

News


  • 2023-02-17 | Qicheng's paper on general duality and piezoactive phononic crystals appears inNature Communications.

  • 2023-02-02 | The NE2lab is under construction. We welcome new members including graduate students, postdoctoral researchers, research assistants and undergraduate students. Please see our page"Join Us"for more information! If you want to know more about our research, click the page"Research".


  • 2022-09-09 | A US patent on devices for phononic communications, co-invented by Qicheng, is filed.


  • 2022-04-12 | Qicheng was invited to give a talk in Cleland Lab [link] at the University of Chicago.


  • 2022-03-28 | Qicheng's paper on demonstrating GHz integrated phononic crystal with topological valley Hall effect appears inNature Electronics.


  • 2021-11-13 | Qicheng was invited to give a talk atColumbia University Programmable Quantum Materials Zoom Seminars[link].



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