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Multi-mode double-bright EIT cooling
Nils Scharnhorst, Javier Cerrillo, Johannes Kramer +4
We developed a multi-mode ground state cooling technique based on electromagnetically-induced transparency (EIT). By involving an additional ground and excited state, two individua…
Experimental and theoretical investigation of a multi-mode cooling scheme using multiple EIT resonances
Nils Scharnhorst, Javier Cerrillo, Johannes Kramer +4
We introduce and demonstrate double-bright electromagnetically induced transparency (D-EIT) cooling as a novel approach to EIT cooling. By involving an additional ground state, two…
Localization of ions within one-, two- and three-dimensional Coulomb crystals by a standing wave optical potential
Thomas Lauprêtre, Rasmus B. Linnet, Ian D. Leroux +2
We demonstrate light-induced localization of Coulomb-interacting particles in multi-dimensional structures. Subwavelength localization of ions within small multi-dimensional Coulom…
On-Line Estimation of Local Oscillator Noise and Optimisation of Servo Parameters in Atomic Clocks
Ian D. Leroux, Nils Scharnhorst, Stephan Hannig +4
For atomic frequency standards in which fluctuations of the local oscillator (LO) frequency are the dominant noise source, we examine the role of the servo algorithm that predicts…