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Related papers: Conversion of $^{40}$K-$^{87}$Rb mixtures into sta…

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Ultracold paramagnetic and polar diatomic molecules are among the promising systems for quantum simulation of lattice-spin models. Unfortunately, their experimental observation is still challenging. Based on our recent \textit{ab-initio}…

We propose a method to improve the stimulated Raman adiabatic passage (STIRAP) via dissipative quantum dynamics, taking into account the dephasing effects. Fast and robust population transfer can be obtained with the scheme by the designed…

Quantum Physics · Physics 2016-09-29 Qi-Cheng Wu , Ye-Hong Chen , Bi-Hua Huang , Yan Xia , Jie Song , Shi-Biao Zheng

We report on two-photon photoassociation (PA) spectroscopy of ultracold heteronuclear LiRb molecules. This is used to determine the binding energies of the loosely bound levels of the electronic ground singlet and the lowest triplet states…

Quantum Gases · Physics 2017-01-25 Sourav Dutta , Jesús Pérez-Ríos , D. S. Elliott , Yong P. Chen

Stimulated Raman adiabatic passage (STIRAP), driven with pulses of optimum shape and delay has the potential of reaching fidelities high enough to make it suitable for fault-tolerant quantum information processing. The optimum pulse shapes…

Quantum Physics · Physics 2009-06-11 G. S. Vasilev , A. Kuhn , N. V. Vitanov

We consider stimulated Raman adiabatic passage (STIRAP) when the final state is a superposition of two non-degenerate states. The system consists of four states coupled by two light fields. We find the relative phase of the final…

Atomic Physics · Physics 2026-03-16 Eli Morhayim , Michael T. Ziemba , J. Lim , B. E. Sauer

We have observed 28 heteronuclear Feshbach resonances in 10 spin combinations of the hyperfine ground states of a 40K 87Rb mixture. The measurements were performed by observing the loss rates from an atomic mixture at magnetic fields…

Other Condensed Matter · Physics 2007-08-23 C. Klempt , T. Henninger , O. Topic , J. Will , W. Ertmer , E. Tiemann , J. Arlt

Efficient preparation and detection of the motional state of trapped ions is important in many experiments ranging from quantum computation to precision spectroscopy. We investigate the stimulated Raman adiabatic passage (STIRAP) technique…

Quantum Physics · Physics 2016-02-17 Florian Gebert , Yong Wan , Fabian Wolf , Jan C. Heip , Piet O. Schmidt

Stimulated Raman adiabatic passage (STIRAP) offers significant advantages for coherent population transfer between un- or weakly-coupled states and has the potential of realizing efficient quantum gate, qubit entanglement, and quantum…

Quantum Physics · Physics 2016-04-27 H. K. Xu , W. Y. Liu , G. M. Xue , F. F. Su , H. Deng , Ye Tian , D. N. Zheng , Siyuan Han , Y. P. Zhong , H. Wang , Yu-Xi Liu , S. P. Zhao

A broadband technique for robust adiabatic rotation and conversion of light polarization is proposed. It uses the analogy between the equation describing the polarization state of light propagating through an optically anisotropic medium…

Quantum Physics · Physics 2010-10-15 U. Gaubatz , A. A. Rangelov , N. V. Vitanov

Reaching a given target quantum state with high fidelity and fast operation speed close to the quantum limit represents an important goal in quantum information science. Here, we experimentally demonstrate superadiabatic quantum driving to…

Quantum Physics · Physics 2024-04-05 Musang Gong , Min Yu , Yaoming Chu , Wei Chen , Qingyun Cao , Ning Wang , Jianming Cai , Ralf Betzholz , Luigi Giannelli

We examine collective magnetoassociation of a Bose-Einstein condensate (BEC), focusing on rapid adiabatic passage from atoms to molecules induced by a sweep of the magnetic field across a wide (>~ 10 G) Feshbach resonance in 85Rb. This…

Quantum battery is an emerging subject in the field of quantum thermodynamics, which is applied to charge, store and dispatch energy in quantum systems. In this work, we propose a fast and stable charging protocol based on the adiabatic…

Quantum Physics · Physics 2021-04-27 Hanyuan Hu , Shifan Qi , Jun Jing

We introduce a novel procedure for qubit rotation, alternative to the commonly used method of Rabi oscillations of controlled pulse area. It is based on the technique of Stimulated Raman Adiabatic Passage (STIRAP) and therefore it is robust…

Quantum Physics · Physics 2009-11-10 Z. Kis , F. Renzoni

This work investigates the effect of phonon coupling on the transfer of population and creation of coherence using variant of stimulated Raman adiabatic passage (STIRAP) known as \emph{fractional} stimulated Raman adiabatic passage…

Quantum Physics · Physics 2018-03-23 Dawit Hiluf , Yonatan Dubi

We report the production of $^{87}$RbCs Feshbach molecules in a crossed-beam dipole trap. A mixture of $^{87}$Rb and $^{133}$Cs is cooled close to quantum degeneracy before an interspecies Feshbach resonance at 197\,G is used to associate…

We theoretically explore photoassociation by Adiabatic Passage of two colliding cold ^{85}Rb atoms in an atomic trap to form an ultracold Rb_2 molecule. We consider the incoherent thermal nature of the scattering process in a trap and show…

Quantum Physics · Physics 2009-11-13 Evgeny A. Shapiro , Moshe Shapiro , Avi Pe'er , Jun Ye

A STIRAP-like scheme is proposed to exploit a three-photon resonance taking place in alkaline-earth-metal ions. This scheme is designed for state transfer between the two fine structure components of the metastable D-state which are two…

Robust quantum control is essential for the development of quantum computers, which rely on precise manipulation of qubits. One form of quantum control is stimulated Raman adiabatic passage (STIRAP), which ordinarily is a state transfer…

Quantum Physics · Physics 2024-06-26 Khayla Black , Xi Chen , Tim Byrnes

We propose a new protocol for thr manipulation of a three-level artificial atom in Lambda ($\Lambda$) configuration in the absence of a direct pump coupling. It allows faithful, selective and robust population transfer analogous to…

Quantum Physics · Physics 2016-06-01 P. G. Di Stefano , E. Paladino , T. J. Pope , G. Falci

A master equation approach to the study of environmental effects in the adiabatic population transfer in three-state systems is presented. A systematic comparison with the non-Hermitian Hamiltonian approach [N. V. Vitanov and S. Stenholm,…

Quantum Physics · Physics 2015-03-13 M. Scala , B. Militello , A. Messina , N. V. Vitanov
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