Large enhancement of four-wave mixing by suppression of photon absorption from electromagnetically induced transparency
Journal Article
·
· Physical Review. A
- Physics Department and National Key Laboratory for Laser Technique, Huazhong University of Science and Technology, Wuhan 430074 (China)
- Department of Physics, Florida International University, Miami, Florida 33199 (United States)
We analyze a four-wave-mixing (FWM) scheme in a five-level atomic system based on electromagnetically induced transparency (EIT). We show that EIT suppresses both two-photon and three-photon absorptions in the FWM scheme and enables the four-wave mixing to proceed through real, resonant intermediate states without absorption loss. The scheme results in a several orders of magnitude increase in the FWM efficiency in comparison with a recent scheme [Phys. Rev. Lett. 88, 143902 (2002)] and may be used for generating short-wavelength radiation at low pump intensities.
- OSTI ID:
- 20634171
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 67; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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