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Related papers: Modeling Quantum Optomechanical STIRAP

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Using the technique of stimulated Raman adiabatic passage (STIRAP) we have coherently transferred ultracold 87Rb2 Feshbach molecules into a more deeply bound vibrational quantum level. Our measurements indicate a high transfer efficiency of…

Other Condensed Matter · Physics 2009-11-11 K. Winkler , F. Lang , G. Thalhammer , P. v. d. Straten , R. Grimm , J. Hecker Denschlag

We propose a design for a quantum interface exploiting the electron spins in crystals to swap the quantum states between the optical and microwave. Using sideband driving of a superconducting flux qubit and a combined cavity/solid-state…

Quantum Physics · Physics 2024-04-22 Keyu Xia , Jason Twamley

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 study defects in adiabatic control of a quantum system caused by the entanglement of the system with its environment. Such defects can be assimilated to decoherence processes due to perturbative couplings between the system and the…

Quantum Physics · Physics 2014-07-11 David Viennot

We report the achievement of stimulated Raman adiabatic passage (STIRAP) in the microwave frequency range between internal states of a Bose-Einstein condensate (BEC) magnetically trapped in the vicinity of an atom chip. The STIRAP protocol…

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…

The fractional shortcut to adiabaticity (f-STA) for production of quantum superposition states is proposed firstly via a three-level system with $\Lambda$-type linkage pattern and a four-level system with tripod structure.…

Quantum Physics · Physics 2025-02-13 Guan-Qiang Li , Hao Guo , Yu-Qi Zhang , Bo Yang , Ping Peng

We propose a model to study quantum population transfer via a structural continuum. The model is composed of two spins which are coupled to two bosonic modes separately by two control pulses, and the two bosonic modes are coupled to a…

Quantum Physics · Physics 2020-01-08 Wei Huang , Shan Yin , Baohua Zhu , Wentao Zhang , Chu Guo

In this work we model and realize stimulated Raman adiabatic passage (STIRAP) in the diatomic $\mathrm{^{23}Na^{40}K}$ molecule from weakly bound Feshbach molecules to the rovibronic ground state via the…

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 Stimulated Raman Adiabatic Passage (STIRAP) procedure is a robust and complete population transfer method which have various application in chemistry and atomic physics. Here, we study the effects of one-photon detuning, transition…

Atomic Physics · Physics 2020-10-28 Fatemeh Ahmadinouri , Mehdi Hosseini , Farrokh Sarreshtedari

We describe how stimulated Raman adiabatic passage (STIRAP) can be applied to create spectral holes in an inhomogeneously broadened system. Due to the robustness of STIRAP, our proposal guarantees high flexibility and accuracy and, at…

Quantum Physics · Physics 2019-08-13 Kamanasish Debnath , Alexander Holm Kiilerich , Albert Benseny , Klaus Mølmer

Stimulated Raman adiabatic passage (STIRAP) allows to efficiently transferring the populations between two discrete quantum states and has been used to prepare molecules in their rovibrational ground state. In realistic molecules, a…

Atomic Physics · Physics 2019-07-24 Lan Liu , De-Chao Zhang , Huan Yang , Ya-Xiong Liu , Jue Nan , Jun Rui , Bo Zhao , Jian-Wei Pan

We demonstrate experimentally how the process of Stimulated Raman Adiabatic Passage (STIRAP) can be utilized for efficient coherent internal state transfer in single trapped and laser-cooled $^{40}$Ca$^+$ ions. The transfer from the…

We theoretically examine Raman photoassociation of a Bose-Einstein condensate, revisiting stimulated Raman adiabatic passage (STIRAP). Due to collisional mean-field shifts, efficient molecular conversion requires strong coupling and low…

Atomic Physics · Physics 2007-05-23 Matt Mackie , Kari Harkonen , Anssi Collin , Kalle-Antti Suominen , Juha Javanainen

We put forward a deterministic dissipative protocol to prepare phonon Fock states in nonlinear quantum optomechanical devices. The system is composed of a mechanical mode interacting with an optical field via radiation pressure, whereas the…

Quantum Physics · Physics 2019-05-01 G. D. De Moraes Neto , V. Montenegro , V. F. Teizen , E. Vernek

We generalize the idea of chainwise stimulated Raman adiabatic passage (STIRAP) [Kuznetsova \textit{et al.} Phys. Rev. A \textbf{78}, 021402(R) (2008)] to a photoassociation-based chainwise atom-molecule system, with the goal of directly…

Quantum Gases · Physics 2015-05-18 Jing Qian , Weiping Zhang , Hong Y. Ling

We examine a scheme for the optical creation of a superfluid vortex in a trapped Bose-Einstein condensate (BEC), using the stimulated Raman adiabatic passage (STIRAP) technique. By exposing an oblate, axis-symmetric condensate to two…

Soft Condensed Matter · Physics 2007-05-23 G. Nandi , R. Walser , W. P. Schleich

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 2009-11-13 Giuseppe Mangano , Jens Siewert , Giuseppe Falci

We consider the problem of the implementation of Stimulated Raman Adiabatic Passage (STIRAP) processes in degenerate systems, with a view to be able to steer the system wave function from an arbitrary initial superposition to an arbitrary…

Atomic Physics · Physics 2013-07-02 G. Bevilacqua , G. Schaller , T. Brandes , F. Renzoni