Quantized infrared-optical triple resonance on a single cold barium ion

Appasamy, B.; Siemers, I.; Stalgies, Y.; Eschner, J.; Blatt, R.; Neuhauser, W.; Toschek, P. E.

doi:10.1007/bf01081329

Cited by 26 publications

(13 citation statements)

References 20 publications

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“…138 Ba þ was used in the pioneering experiments on laser cooling of ions in Paul traps (Neuhauser et al, 1980) and kHz-resolution spectroscopy has been performed on the 2 S 1=2 − 2 D 5=2 electric quadrupole transition at 1.76 μm wavelength (Nagourney, Yu, and Dehmelt, 1990;Yu et al, 1994;Appasamy et al, 1995) and on the 24-THz fine-structure transition between the two D levels (Whitford et al, 1994).…”

Section: Bariummentioning

confidence: 99%

Optical atomic clocks

et al. 2015

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Optical atomic clocks represent the state of the art in the frontier of modern measurement science. In this article a detailed review on the development of optical atomic clocks that are based on trapped single ions and many neutral atoms is provided. Important technical ingredients for optical clocks are discussed and measurement precision and systematic uncertainty associated with some of the best clocks to date are presented. An outlook on the exciting prospect for clock applications is given in conclusion.

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Section: Bariummentioning

confidence: 99%

Optical atomic clocks

et al. 2015

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“…Here, 9 is the radiative pulse area or "nutation angle", and cos 9 determines the energy of the coherent atomic su perposition state that is prepared by the pulse. Probelight pulses of length r p alternate with the reiterated preparations; they elicit resonance light scattering, if the atom is found in state 0 , but they don't, if the atom has been taken, by the coherent drive, to level 1 [19], M easurem ents that include probing results of the lat ter kind lack the observation o f scattered light, i.e., they are signal-less and o f the "negative-result" type.…”

Section: The Experimentsmentioning

confidence: 99%

Evolution of an Atom Impeded by Measurement: The Quantum Zeno Effect

Wunderlich

Balzer

Toschek

2001

Zeitschrift Für Naturforschung A

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A quantum system being observed evolves more slowly. This "quantum Zeno effect" is reviewed with respect to a previous attempt of demonstration, and to subsequent criticism of the significance of the findings. A recent experiment on an individual cold trapped ion has been capable o f revealing the micro-state o f this quantum system, such that the effect of measurement is indeed discriminated from dephasing o f the quantum state by either the meter or the environment.

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“…Laser cooling works the same for neutral atoms and atomic ions but certain types of laser cooling are more suited to a particular experiment. In the first motional-ground-state laser cooling experiments, "resolved sideband" laser cooling proved relatively straightforward to implement [4], and this technique has been used in a number of ion trap experiments [5][6][7][8][9]. Recently, efficient schemes for simultaneous cooling of multiple modes have been employed [10,11].…”

Section: Trapped Ions Laser Cooling and Internal/motional State Coumentioning

confidence: 99%