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Related papers: Stimulated Raman adiabatic passage into continuum

200 papers

The rapid experimental progress in the field of superconducting nanocircuits gives rise to an increasing quest for advanced quantum-control techniques for these macroscopically coherent systems. Here we demonstrate theoretically that…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Jens Siewert , Tobias Brandes , Giuseppe Falci

We use optimal control in order to find the optimal shapes of pulses maximizing the population transfer between two bound states which are coupled via a continuum of states. We find that the optimal bounded controls acquire the…

Quantum Physics · Physics 2021-12-28 Dionisis Stefanatos , Emmanuel Paspalakis

Stimulated Raman adiabatic passage is a well-known technique for quantum population transfer due to its robustness again various sources of noises. Here we consider quantum population transfer from one spin to another via an intermediate…

Quantum Physics · Physics 2021-06-18 Wei Huang , Wentao Zhang , Chu Guo

We develop a pulse-driven jump protocol to achieve all-optical Raman control of ultracold atomic hyperfine states. By establishing general conditions for adiabatic evolution between quantum states in parameter space, we derive the essential…

Quantum Physics · Physics 2025-04-15 Xin-Xia Jian , Zhi-Jian Zheng , Jun-Jie Jiang , Lin Zhou , Chuan-Cun Shu , Jun He

We review methods for coherently controlling Rydberg quantum states of atomic ensembles using Adiabatic Rapid Passage and Stimulated Raman Adiabatic Passage. These methods are commonly used for population inversion in simple two-level and…

The efficient transfer of excitations between different levels of a quantum system is a task with many applications. Among the various protocols to carry out such a state transfer in driven systems, rapid adiabatic passage (RAP) is one of…

The implementation of a Lambda scheme in superconducting artificial atoms could allow detec- tion of stimulated Raman adiabatic passage (STIRAP) and other quantum manipulations in the microwave regime. However symmetries which on one hand…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 G. Falci , A. La Cognata , M. Berritta , A. D'Arrigo , E. Paladino , B. Spagnolo

We study the process of nonlinear stimulated Raman adiabatic passage within a classical mean-fieldframework. Depending on the sign of interaction, the breakdown of adiabaticity in the interactingnonintegrable system is not related to…

Quantum Gases · Physics 2019-01-02 Amit Dey , Doron Cohen , Amichay Vardi

Quantum control methods for three-level systems have become recently an important direction of research in quantum information science and technology. Here we present numerical simulations using realistic experimental parameters for quantum…

Quantum Physics · Physics 2021-11-24 Shruti Dogra , Gheorghe Sorin Paraoanu

The space-time method is applied to a model system-the Simple Harmonic Oscillator in a laser field to simulate the Stimulated Raman Adiabatic Passage (STIRAP) process. The Space-Time method is a computational theory first introduced by…

Computational Physics · Physics 2013-06-04 Xingjun Zhang , Charles A. Weatherford

Shaped free electron vortices (SEVs) have recently been studied using atomic (1+2) resonance-enhanced multiphoton ionization (REMPI) by oppositely chirped counterrotating circularly polarized (OC-CRCP) femtosecond laser pulses. By…

Atomic Physics · Physics 2025-06-11 D. Köhnke , T. Bayer , M. Wollenhaupt

We present a scheme to realize a deterministic solid state source of time-bin entangled photon pairs using cavity-assisted stimulated Raman adiabatic passage (STIRAP) in a single quantum dot. The quantum dot is embedded inside a…

Quantum Physics · Physics 2010-10-11 P. K. Pathak , S. Hughes

We investigate the quantum behavior of a mesoscopic two-boson system produced by number-squeezing ultracold gases of alkali metal atoms. The quantum Poincare maps of the wavefunctions are affected by chaos in those regions of the phase…

Atomic Physics · Physics 2008-03-26 Analabha Roy , Linda E. Reichl

We report on the creation of ultracold 84Sr2 molecules in the electronic ground state. The molecules are formed from atom pairs on sites of an optical lattice using stimulated Raman adiabatic passage (STIRAP). We achieve a transfer…

Quantum Gases · Physics 2012-09-18 Simon Stellmer , Benjamin Pasquiou , Rudolf Grimm , Florian Schreck

We present a general formalism for describing stimulated Raman adiabatic passage in a multi-level atom. The atom is assumed to have two ground state manifolds a and b and an excited state manifold e, and the adiabatic passage is carried out…

Quantum Physics · Physics 2009-11-13 A. D. Boozer

Adiabatic Rapid Passage (ARP) is a powerful technique for efficient transfer of population between quantum states. In the lab, the efficiency of ARP is often limited by noise on either the energies of the states or the frequency of the…

Quantum Physics · Physics 2023-08-02 Kehui Li , David C. Spierings , Aephraim M. Steinberg

This theoretical paper presents numerical calculations for photoassociation of ultracold cesium atoms with a chirped laser pulse and detailed analysis of the results. In contrast with earlier work, the initial state is represented by a…

Atomic and Molecular Clusters · Physics 2009-11-10 E. Luc-Koenig , R. Kosloff , F. Masnou-Seeuws , M. Vatasescu

We study the dynamics of a tree-level $\Lambda$-type atoms driven by a coherent train of short, non-overlapping laser pulses.We derive analytical non-perturbative expressions for density matrix by approximating pulses by delta-function.We…

Atomic Physics · Physics 2015-06-04 Ekaterina Ilinova , Andrei Derevianko

A robust quantum protocol has been developed that achieves highly efficient entanglement transfer from a three-atom Rydberg system, initially in a W state (|rrg>+|rgr>+|grr>)/3^0.5, to an equivalent photonic W state…

Quantum Physics · Physics 2024-09-25 Aneesh Ramaswamy , Svetlana Malinovskaya

A scheme is presented to perform an entangling gate between two atomic ensembles or Bose-Einstein condensates in a optical cavity with a common optical mode. The method involves using a generalized Stimulated Raman Adiabatic Passage…

Quantum Gases · Physics 2018-10-30 Sergi Ortiz , Yilun Song , June Wu , Valentin Ivannikov , Tim Byrnes