Precision Measurement and Compensation of Optical Stark Shifts for an Ion-Trap Quantum Processor

by: H Haeffner, S Gulde, M Riebe, G Lancaster, C Becher, J Eschner, F Schmidt-Kaler, R Blatt

Physical Review Letters, Vol. 90, No. 14. (April 2003), 143602.

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Abstract

Using optical Ramsey interferometry; we precisely measure the laser-induced ac-Stark shift on the S 1/2 – D 5/2 “quantum bit” transition near 729 nm in a single trapped 40 Ca + ion. We cancel this shift using an additional laser field. This technique is of particular importance for the implementation of quantum information processing with cold trapped ions. As a simple application we measure the atomic phase evolution during a n ×2π rotation of the quantum bit.

@article{haeffner_2003_stark, abstract = {Using optical Ramsey interferometry; we precisely measure the laser-induced ac-Stark shift on the S 1/2 – D 5/2 “quantum bit” transition near 729 nm in a single trapped 40 Ca + ion. We cancel this shift using an additional laser field. This technique is of particular importance for the implementation of quantum information processing with cold trapped ions. As a simple application we measure the atomic phase evolution during a n ×2π rotation of the quantum bit.}, author = {Haeffner, H. and Gulde, S. and Riebe, M. and Lancaster, G. and Becher, C. and Eschner, J. and Schmidt-Kaler, F. and Blatt, R. }, citeulike-article-id = {1475159}, doi = {http://dx.doi.org/10.1103/PhysRevLett.90.143602}, journal = {Physical Review Letters}, keywords = {blatt, ion}, month = {April}, number = {14}, pages = {143602+}, posted-at = {2007-07-23 14:46:55}, priority = {2}, publisher = {American Physical Society}, title = {Precision Measurement and Compensation of Optical Stark Shifts for an Ion-Trap Quantum Processor}, url = {http://dx.doi.org/10.1103/PhysRevLett.90.143602}, volume = {90}, year = {2003} }

RIS record

TY - JOUR ID - haeffner_2003_stark L3 - citeulike-article-id:1475159 TI - Precision Measurement and Compensation of Optical Stark Shifts for an Ion-Trap Quantum Processor JF - Physical Review Letters VL - 90 IS - 14 SP - 143602 PB - American Physical Society N2 - Using optical Ramsey interferometry; we precisely measure the laser-induced ac-Stark shift on the S 1/2 – D 5/2 “quantum bit” transition near 729 nm in a single trapped 40 Ca + ion. We cancel this shift using an additional laser field. This technique is of particular importance for the implementation of quantum information processing with cold trapped ions. As a simple application we measure the atomic phase evolution during a n ×2π rotation of the quantum bit. KW - blatt KW - ion AU - Haeffner, H AU - Gulde, S AU - Riebe, M AU - Lancaster, G AU - Becher, C AU - Eschner, J AU - Schmidt-Kaler, F AU - Blatt, R PY - 2003/04// UR - http://dx.doi.org/10.1103/PhysRevLett.90.143602 ER -

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