Triple resonant four-wavemixing boosts the yield of continuous coherent VUV generation
arXiv:1203.2121 · doi:10.1103/PhysRevLett.109.063901
Abstract
Continuous-wave coherent radiation in the vacuum ultraviolet (VUV)wavelength region at 121 nm will be essential for future laser-cooling of trapped antihydrogen [1]. Cold antihydrogen will enable both tests of the fundamental symmetry between matter and antimatter at unprecedented experimental precision [2] and also experiments in antimatter gravity [3]. Another fascinating application of narrowband continuous laser radiation in the VUV is quantum information processing using single trapped ions in Rydberg-states [4, 5]. Here we describe highly efficient continuous four-wave mixing in the VUV by using three different fundamental wavelengths with a sophisticated choice of detunings to resonances of the nonlinear medium. Up to 6 microwatts of vacuum ultraviolet radiation at 121 nm can be generated which corresponds to an increase of three orders of magnitude in efficiency.
arXiv comment11 pages, 3 figures
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- Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems
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- Influence of the 6^1S_0-6^3P_1 Resonance on Continuous Lyman-alpha Generation in Mercury
- Quantum-jump analysis of frequency up-conversion amplification without inversion in a four-level scheme