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Related papers: Electric Rydberg-atom interferometery

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Matter-wave interferometry has been performed with helium atoms in high Rydberg states. In the experiments the atoms were prepared in coherent superpositions of Rydberg states with different electric dipole moments. Upon the application of…

Atomic Physics · Physics 2019-07-18 J. E. Palmer , S. D. Hogan

Dipole-dipole interactions between helium atoms in Rydberg-Stark states with principal quantum number $n=53$ and approximately linear Stark energy shifts, resulting from induced electric dipole moments of approximately 7900 D, have been…

Atomic Physics · Physics 2015-07-14 V. Zhelyazkova , S. D. Hogan

Helium atoms in Rydberg states have been manipulated coherently with microwave radiation pulses near a gold surface and near a superconducting NbTiN surface at a temperature of $3 \text{K}$. The experiments were carried out with a skimmed…

Tommey and Hogan [Phys. Rev. A, 104, 033305 (2021)] have reported a matter-wave interference experiment using Rydberg atoms traveling through inhomogeneous electric fields at approximately 2000 m/s. Using a simplified model containing the…

Atomic Physics · Physics 2026-05-15 D. Z. Chan , J. D. D. Martin

Resonant electric dipole-dipole interactions between cold Rydberg atoms were observed using microwave spectroscopy. Laser-cooled Rb atoms in a magneto-optical trap were optically excited to 45d Rydberg states using a pulsed laser. A…

Atomic Physics · Physics 2007-05-23 K. Afrousheh , P. Z. Bohlouli , D. Vagale , A. Mugford , M. Fedorov , J. D. D. Martin

We realize and model a Rydberg-state atom interferometer for measurement of phase and intensity of radio-frequency (RF) electromagnetic waves. A phase reference is supplied to the atoms via a modulated laser beam, enabling atomic…

The coherent interaction of Rydberg helium atoms with microwave fields in a $\lambda/4$ superconducting coplanar waveguide resonator has been exploited to probe the spectral characteristics of an individual resonator mode. This was achieved…

Quantum Physics · Physics 2020-11-24 D. M. Walker , A. A. Morgan , S. D. Hogan

Mean-field energy-level shifts arising as a result of strong electrostatic dipole interactions within dilute gases of polarized helium Rydberg atoms have been probed by microwave spectroscopy. The Rydberg states studied had principal…

Atomic Physics · Physics 2016-11-28 V. Zhelyazkova , R. Jirschik , S. D. Hogan

We present the experimental realization and characterization of a Ramsey interferometer based on optically trapped ultracold potassium atoms, where one state is continuously coupled by an off-resonant laser field to a highly-excited Rydberg…

Atomic Physics · Physics 2019-02-13 A. Arias , G. Lochead , T. M. Wintermantel , S. Helmrich , S. Whitlock

Coherent superpositions of the 49s and 48s Rydberg states of cold Rb atoms were studied near the surface of an atom chip. The superpositions were created and manipulated using microwaves resonant with the two-photon 49s-48s transition.…

Atomic Physics · Physics 2013-10-29 J. D. Carter , J. D. D. Martin

We demonstrate a multiphoton Rydberg dark resonance where a Lambda-system is coupled to a Rydberg state. This N-type level scheme combines the ability to slow and store light pulses associated with long lived ground state superpositions,…

Quantum Physics · Physics 2009-11-13 M. G. Bason , A. K. Mohapatra , K. J. Weatherill , C. S. Adams

Rydberg helium atoms traveling in pulsed supersonic beams have been coupled to microwave fields in a superconducting coplanar waveguide (CPW) resonator. The atoms were initially prepared in the 1s55s $^3$S$_1$ Rydberg level by two-color…

Quantum Physics · Physics 2020-09-21 A. A. Morgan , S. D. Hogan

Experimental and theoretical studies of the effects of weak radio-frequency electric fields on Rydberg-Stark states with electric dipole moments as large as 10000 D are reported. High-resolution laser spectroscopic studies of Rydberg states…

Atomic Physics · Physics 2015-10-29 V. Zhelyazkova , S. D. Hogan

A non-resonant microwave dressing field at 38.465 GHz was used to eliminate the static electric dipole moment difference between the $49s_{1/2}$ and $48s_{1/2}$ Rydberg states of $^{87}$Rb in dc fields of approximately 1 V/cm. The reduced…

Atomic Physics · Physics 2013-03-05 L. A. Jones , J. D. Carter , J. D. D. Martin

Laser cooled Rb atoms were optically excited to 46d Rydberg states. A microwave pulse transferred a fraction of the atoms to the 47p Rydberg state. The resonant electric dipole-dipole interactions between atoms in these two states were…

Atomic Physics · Physics 2007-05-23 K. Afrousheh , P. Bohlouli-Zanjani , J. D. Carter , A. Mugford , J. D. D. Martin

We present a Rydberg-atom interferometry-based technique for voltage measurement between electrodes embedded in an atomic vapor cell, enabling the detection of weak voltages ($<0.1$V) and unambiguous discrimination between positive and…

Atomic Physics · Physics 2025-08-12 Yingying Han , Changfa He , Zhenxiong Weng , Peng Xu , Yanting Zhao , Tao Wang

The resonant transfer of energy from the inversion sublevels in NH$_3$ to He atoms in triplet Rydberg states with principal quantum number $n=38$ has been controlled using electric fields below 15 V/cm in intrabeam collisions at…

Chemical Physics · Physics 2020-01-24 K. Gawlas , S. D. Hogan

Inhomogeneous electric fields generated above two-dimensional electrode structures have been used to transversely split beams of helium Rydberg atoms into pairs of spatially separated components. The atomic beams had initial longitudinal…

Atomic Physics · Physics 2017-06-14 J. Palmer , S. D. Hogan

Helium atoms in the 1s50s $^3$S$_1$ Rydberg level have been resonantly coupled to the $2\pi\times11.721$ GHz second harmonic mode of a chip-based superconducting coplanar waveguide microwave resonator. To achieve this, the single-photon…

Atomic Physics · Physics 2025-08-29 L. L. Brown , I. K. Bhangoo , S. D. Hogan

We propose a new method to create two-photon states in a controllable way using interaction between the Rydberg atoms during the storage and retrieval of slow light. A distinctive feature of the suggested procedure is that the slow light is…

Quantum Physics · Physics 2017-02-07 J. Ruseckas , I. A. Yu , G. Juzeliūnas
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