Conference on Lasers and Electro-Optics

Isotope Selective Trapping of Singly and Doubly Charged Yb Ions in an RF Trap

Jeremy R. Danielson, Martin M. Schauer, Saidur Rahaman, Bouzhou Sun, Jiepeng Zhang, Justin R. Torgerson, Xinxin Zhao, Li-Bang Wang

Published Jan 1, 2010• 0 citations

Publisher

Abstract

We have successfully trapped singly and doubly ionized Ytterbium in a linear RF quadrupole trap. Ionization was accomplished with both photoionization and electron beam ionization. Co-trapping of Yb+ and Yb2+ was confirmed through electronic detection.

DOI: 10.1364/cleo.2010.jwa39

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Conference on Lasers and Electro-Optics

Isotope Selective Trapping of Singly and Doubly Charged Yb Ions in an RF Trap

Jeremy R. Danielson, Martin M. Schauer, Saidur Rahaman, Bouzhou Sun, Jiepeng Zhang, Justin R. Torgerson, Xinxin Zhao, Li-Bang Wang

Published Jan 1, 2010• 0 citations

Publisher

Abstract

DOI: 10.1364/cleo.2010.jwa39

Related papers

Isotope-selective trapping of doubly charged Yb ions

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We report isotope-selective loading and trapping of doubly ionized ytterbium into an rf quadrupole trap. Isotopically pure clouds of $^{174}\mathrm{Yb}$ ${}^{+}$ ions were first loaded into the rf trap via a multistage photoionization process. The Yb ${}^{2+}$ ions were then produced by electron impact ionization of the trapped Yb ${}^{+}$ ions. The Yb ${}^{2+}$ ions were subsequently detected by rf excitation of their secular motion in the trap, which led to sympathetic heating and changes in the fluorescence of the laser-cooled Yb ${}^{+}$ ions. The presence of doubly charged Yb ions was further verified by the appearance of a dark band in the center of Yb ${}^{+}$ ion cloud after electron impact ionization. We discuss the possible formation of Yb ${}^{2+}$ H and similar compounds and the schemes for the direct optical detection of the Yb ${}^{2+}$ ions.We report isotope-selective loading and trapping of doubly ionized ytterbium into an rf quadrupole trap. Isotopically pure clouds of $^{174}\mathrm{Yb}$${}^{+}$ ions were first loaded into the rf trap via a multistage photoionization process. The Yb${}^{2+}$ ions were then produced by electron impact ionization of the trapped Yb${}^{+}$ ions. The Yb${}^{2+}$ ions were subsequently detected by rf excitation of their secular motion in the trap, which led to sympathetic heating and changes in the fluorescence of the laser-cooled Yb${}^{+}$ ions. The presence of doubly charged Yb ions was further verified by the appearance of a dark band in the center of Yb${}^{+}$ ion cloud after electron impact ionization. We discuss the possible formation of Yb${}^{2+}$H and similar compounds and the schemes for the direct optical detection of the Yb${}^{2+}$ ions.

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arXiv:quant-ph/0602044Physical Review AApr 28, 200676 citations

We report isotope-selective loading and trapping of doubly ionized ytterbium into an rf quadrupole trap. Isotopically pure clouds of

^{174}\mathrm{Yb}

{}^{+}

ions were first loaded into the rf trap via a multistage photoionization process. The Yb

{}^{2+}

ions were then produced by electron impact ionization of the trapped Yb

{}^{+}

ions. The Yb

{}^{2+}

ions were subsequently detected by rf excitation of their secular motion in the trap, which led to sympathetic heating and changes in the fluorescence of the laser-cooled Yb

{}^{+}

ions. The presence of doubly charged Yb ions was further verified by the appearance of a dark band in the center of Yb

{}^{+}

ion cloud after electron impact ionization. We discuss the possible formation of Yb

{}^{2+}

H and similar compounds and the schemes for the direct optical detection of the Yb

{}^{2+}

ions.

^{168}\mathrm{Yb}

was increased higher than 20 000 when the laser was blue-detuned to the most efficient position. Also, numerical analysis was performed to explain the experimental results. \textcopyright{} 1996 The American Physical Society.

Highly efficient, nearly deterministic, and isotope selective generation of

{\mathrm{Yb}}^{+}

ions by one- and two-color photoionization is demonstrated. State preparation and state selective detection of hyperfine states in

^{171}\mathrm{Yb}^{+}

is investigated in order to optimize the purity of the prepared state and to time-optimize the detection process. Linear laser-cooled

{\mathrm{Yb}}^{+}

ion crystals confined in a Paul trap are demonstrated. Advantageous features of different previous ion trap experiments are combined, while at the same time the number of possible error sources is reduced by using a comparatively simple experimental apparatus. This opens a new path toward quantum state manipulation of individual trapped ions, and in particular, to scalable quantum computing.