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Murray Barrett Group

The interfacing of atoms and photons is an important goal in quantum information due to the complementary processes to which they are suited. Photons are well suited for the transport of information between remote locations whereas atoms have proven to be far superior when it comes to information processing, via universal gate operations, and information storage.

Our research program focuses on the interfacing of atoms and photons via cavity QED. We experiment both with neutral atoms, in our Rb experiment, and with charged ions, in our Ba+ experiment. We are also exploring techniques to make things easier by using Micro-traps and Micro-optics. In particular we have developed a technique for fabricating mirrors with curvatures on the millimeter scale. This provides easy access to the strong coupling regime of cavity QED and is readily implemented in experimental systems.


  • Internships for undergraduates. Please send inquiries to Murray Barrett
  • PhD students. Please send inquiries to CQTPhD@nus.edu.sg
  • Two post doctoral positions. Click here for details.



Murray Barrett
(Principal Investigator)
Email: phybmd@nus.edu.sg
Office: S15-01-11
Phone:+65 6516 2983
Fax:+65 6516 6897

Group Member

Murray Barrett (Principal Investigator) Tan Ting Rei (Research Fellow)
Arpan Roy (Research Fellow) Rattakorn Kaewuam (CQT PhD Student)
Kyle Arnold (Research Fellow) Zhang Zhiqiang (CQT PhD Student)
Ravi Kumar (Research Fellow)