Research

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Research Interests


Our research is in the broad field of light-matter interaction, with an emphasis on many-body physics, quantum optics, nonlinear optics, laser spectroscopy, and cavity quantum electrodynamics in semiconductor nanostructures.

In particular, we are interested in (i) undertanding the many-body interactions and quantum collective phenomena and (ii) developing optical manipulation and coherent control of electron and nuclear spinseffects in low-dimensional nanostructures such as quantum wells, wires and dots. These mesoscopic material systems whose sizes, on the order of nanometers, are intermediate between those of atoms and bulk solids. The quantum size effects dramatically reshape the many-body interactions; therefore, these systems are ideal testbeds for understanding both (a) quantum collective phenomena (eg. quantum Hall effects and Bose-Einstein condensation) and (b) isolated quanta with long coherence time (eg. electron and nuclear spins in quantum dots).

Recent Projects

 

      Quantum Optical Measurements of Exciton Fluid in Confined Systems
       
      Bose-Einstein condensation of cavity exciton-polaritons


       
      Exciton condensation in coupled quantum wells


       
      Quantum simulation in solid-state systems


       
      Optical manipulation of electron and nuclear spins


       

 

Past Projects

 

  • Slow and fast light in semiconductor quantum wells

  • Many-body processes in the quantum Hall regime

Recommended Reading

Funding and Support

We are pleased to acknolwedge funding and support by

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© 2009 The Lai Group | Department of Physics and Astronomy | Michigan State University