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We have developed a unique neutralizer device that uses an yttrium target surrounded by a platinum wall to magneto-optically trap radioactive atoms. In general, the radioactive nucleus produced in a nuclear reaction is extracted and…

Concept of high efficiency photon storage based on adiabatic confinement between concave mirrors is presented and experimentally investigated. The approach is insensitive to typical for Fabri-Perot cells requirements on quality of…

Optics · Physics 2016-06-13 S. S. Popov , M. G. Atluhanov , A. V. Burdakov , M. Yu. Ushkova

The paper presents and experimentally investigates a concept of an efficient radiation trap based on adiabatic photon confinement between curved mirrors. Such a trap is free of restrictions typical to the Fabry-Perot cells, relating to the…

Instrumentation and Detectors · Physics 2017-08-28 S. S. Popov , M. G. Atluhanov , A. V. Burdakov , M. Yu. Ushkova

New nonresonance approach of photon accumulation in two spherical mirrors has been experimentally demonstrated. In this work, we have received a high accumulation coefficient and shown good effectiveness of this technique for creating photo…

Optics · Physics 2016-06-15 S. S. Popov , M. G. Atluhanov , A. V. Burdakov , M. U. Ushkova

We propose a new class of nanoscale electro-optical traps for neutral atoms. A prototype is the toroidal trap created by a suspended, charged carbon nanotube decorated with a silver nanosphere dimer. An illuminating laser field, blue…

Atomic Physics · Physics 2009-02-01 Brian Murphy , Lene Vestergaard Hau

We investigate neutralization processes (especially thermal surface neutralization), which are required for the magneto-optical trapping of radioactive atoms. A variety of neutralization methods are first summarized: neutral beam injection…

Instrumentation and Detectors · Physics 2019-08-29 H. Kawamura , T. Aoki , K. Harada , T. Inoue , S. Ito , K. Kato , L. Koehler , K. Sakamoto , A. Uchiyama , Y. Sakemi

Optical trapping and ions combine unique advantages of independently striving fields of research. Light fields can form versatile potential landscapes, such as optical lattices, for neutral and charged atoms, avoiding detrimental…

Atomic Physics · Physics 2015-06-22 Thomas Huber , Alexander Lambrecht , Julian Schmidt , Leon Karpa , Tobias Schaetz

We utilize the combination of two standard trapping techniques, a magnetic trap and an optical trap in a Raman setup, to propose a versatile and tunable trap for cold atoms. The created potential provides several advantages over…

Atomic Physics · Physics 2010-05-21 S. Middelkamp , M. Mayle , I. Lesanovsky , P. Schmelcher

We show that it is possible to ``store'' quantum states of single-photon fields by mapping them onto {\it collective} meta-stable states of an optically dense, coherently driven medium inside an optical resonator. An adiabatic technique is…

Quantum Physics · Physics 2009-10-31 M. Fleischhauer , S. F. Yelin , M. D. Lukin

For several decades, ions have been trapped by radio frequency (RF) and neutral particles by optical fields. We implement the experimental proof-of-principle for trapping an ion in an optical dipole trap. While loading, initialization and…

Quantum Physics · Physics 2015-05-18 Ch. Schneider , M. Enderlein , T. Huber , T. Schaetz

We report the trapping of ultracold neutral $ \text{Rb}$ atoms and $ \text{Ba}^+ $ ions in a common optical potential in absence of any radiofrequency (RF) fields. We prepare $ \text{Ba}^+ $ at $ 370 ~ \mu K $ and demonstrate efficient…

Atomic Physics · Physics 2020-02-12 J. Schmidt , P. Weckesser , F. Thielemann , T. Schaetz , L. Karpa

Efficient collection of fluorescence from trapped ions is crucial for quantum optics and quantum computing applications, specifically, for qubit state detection and in generating single photons for ion-photon and remote ion entanglement. In…

Quantum Physics · Physics 2015-05-14 G. Shu , N. Kurz , M. R. Dietrich , B. B. Blinov

We present an unique experimental arrangement which permits the simultaneous trapping and cooling of ions and neutral atoms, within a Fabry-Perot (FP) cavity. The versatility of this hybrid trap experiment enables a variety of studies with…

Atomic Physics · Physics 2013-12-11 S. Jyothi , Tridib Ray , N. Bhargava Ram , S. A. Rangwala

Penning traps are made extremely compact by embedding rare-earth permanent magnets in the electrode structure. Axially-oriented NdFeB magnets are used in unitary architectures that couple the electric and magnetic components into an…

Instrumentation and Detectors · Physics 2012-02-29 Joseph N. Tan , Samuel M. Brewer , Nicholas D. Guise

A new scheme of three-dimensional (3D) all-optical (nonmagnetic) cooling and trapping of resonant atoms, based on using of so-called rectified radiation forces in non-monochromatic light fields is presented. It can be applied to the atoms…

Optics · Physics 2010-09-17 I. V. Krasnov

We propose and experimentally demonstrate a novel scheme to magneto-optically trap neutral atoms in a ring shaped trap that can be used to transfer atoms into a circular magnetic trap with high density. This inturn enables to evaporatively…

Other Condensed Matter · Physics 2007-05-23 Makoto Morinaga

The scope of this book is on providing insight into the recently emerged field of optical trapping of ions. Since the ground-breaking introduction of light fields as tools for exerting trapping forces on matter in 1970 by Ashkin, optical…

Atomic Physics · Physics 2019-10-02 Leon Karpa

We propose and analyze a scheme for photon trapping in an optical resonator coupled with two-level atoms. We show that when the cavity is excited by two identical light fields from two ends of the cavity respectively, the output light from…

Optics · Physics 2015-08-19 G. S. Agarwal , Yifu Zhu

This communication describes the observation of a new type of dark spontaneous-force optical trap (dark SPOT) obtained without the use of a mask blocking the central part of the repumper laser beam. We observe that loading a magneto-optical…

Atomic Physics · Physics 2016-08-16 S. R. Muniz , K. M. F. Magalhães , E. A. L. Henn , L. G. Marcassa , V. S. Bagnato

Isolating neutral and charged particles from the environment is essential in precision experiments. For decades, this has been achieved by trapping ions with radio-frequency (rf) fields and neutral particles with optical fields. Recently,…

Atomic Physics · Physics 2021-05-05 Tobias Schaetz
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