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Single-atom laser
Article By:
Feld, Michael S. G. R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Yu, Chung-Chieh G.R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Fang-Yen, Chris G.R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Dasari, Ramachandra G.R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
An, Kyungwon Center for Macroscopic Quantum-Field Lasers, Korea Advanced Institute of Science and Technology, Taejon, Korea.
Aljalal, Abdulaziz G. R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Last reviewed:2001
DOI:https://doi.org/10.1036/1097-8542.YB011430
A laser that uses a single atom as its gain medium was first realized in 1994. This laser uses a low-density beam of barium atoms traversing a small optical resonator with highly reflective mirrors. Light emission and amplification are achieved via quantized Rabi oscillation.
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