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Collective two-color photoassociation of a freely-interacting 87Rb Bose-Einstein condensate is theoretically examined, focusing on stimulated Raman adiabatic passage (STIRAP) from an atomic to a stable molecular condensate. In particular,…

Atomic Physics · Physics 2016-09-08 Matt Mackie , Anssi Collin , Juha Javanainen

We study experimentally and theoretically the transfer of population between the ground state and the second excited state in a transmon circuit by the use of superadiabatic stimulated Raman adiabatic passage (saSTIRAP). We show that the…

Quantum Physics · Physics 2023-07-06 Shruti Dogra , Antti Vepsäläinen , Gheorghe Sorin Paraoanu

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

The adiabatic manipulation of quantum states is a powerful technique that has opened up new directions in quantum engineering, enabling tests of fundamental concepts such as the Berry phase and its nonabelian generalization, the observation…

Quantum Physics · Physics 2016-11-29 K. S. Kumar , A. Vepsalainen , S. Danilin , G. S. Paraoanu

We consider combined stimulated Raman adiabatic passage (STIRAP) and fast forward field (FFF) control of selective vibrational population transfer in a polyatomic molecule. The motivation for using this combination control scheme is…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 Shumpei Masuda , Stuart A. Rice

Spatial adiabatic passage processes for ultracold atoms trapped in tunnel-coupled cylindrically symmetric concentric potentials are investigated. Specifically, we discuss the matter-wave analogue of the rapid adiabatic passage (RAP)…

Quantum Physics · Physics 2016-02-10 Joan Polo , Albert Benseny , Thomas Busch , Verònica Ahufinger , Jordi Mompart

We examine the topology of eigenenergy surfaces characterizing the population transfer processes based on adiabatic passage. We show that this topology is the essential feature for the analysis of the population transfers and the prediction…

Quantum Physics · Physics 2009-11-07 L. P. Yatsenko , S Guerin , H. R. Jauslin

We introduce a method for the coherent acceleration of atoms trapped in an optical lattice, using the well-known model for stimulated Raman adiabatic passage (STIRAP). Specifically, we show that small harmonic modulations of the optical…

Quantum Physics · Physics 2009-11-13 Benjamin P. Holder , Linda E. Reichl

We report theoretical studies of adiabatic population transfer using dressed spin states. Quantum optimal control using the algorithm of Chopped Random Basis (CRAB) has been implemented in a negatively charged diamond nitrogen vacancy…

Quantum Physics · Physics 2019-06-19 Shu-Hao Wu , Mayra Amezcua , Hailin Wang

We demonstrate two-dimensional robust Raman cooling in a four-level tripod system, in which velocity-selective population transfer is achieved by a STIRAP pulse. In contrast to basic 2D Raman cooling with square envelope pulses [Phys. Rev.…

Atomic Physics · Physics 2015-06-05 Vladimir S. Ivanov , Yuri V. Rozhdestvensky , Kalle-Antti Suominen

In atomic physics, adiabatic evolution is often used to achieve a robust and efficient population transfer. Many adiabatic schemes have also been implemented in optical waveguide structures. Recently there has been increasing interests in…

Quantum Physics · Physics 2015-06-05 Eva-Maria Graefe , Alexei A. Mailybaev , Nimrod Moiseyev

Hybrid quantum systems have been developed with various mechanical, optical and microwave harmonic oscillators. The coupling produces a rich library of interactions including two mode squeezing, swapping interactions, back-action evasion…

We discuss the realization of a magnonic version of the STImulated-Raman-Adiabatic-Passage (m-STIRAP) mechanism using micromagnetic simulations. We consider the propagation of magnons in curved magnonic directional couplers. Our results…

Mesoscale and Nanoscale Physics · Physics 2021-06-24 Qi Wang , Thomas Brächer , Michael Fleischhauer , Burkard Hillebrands , Philipp Pirro

Stark-chirped rapid adiabatic passage (SCRAP) is an important technique used for coherent quantum controls. In this paper we investigate how the practically-existing dissipation of the system influences on the efficiency of the passage, and…

Quantum Physics · Physics 2014-11-26 X. Shi , C. H. Oh , L. F. Wei

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 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

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 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

We propose a non-Hermitian generalization of stimulated Raman adiabatic passage (STIRAP), which allows one to increase speed and fidelity of the adiabatic passage. This is done by adding balanced imaginary (gain/loss) terms in the diagonal…

Quantum Physics · Physics 2015-06-19 Boyan T. Torosov , Giuseppe Della Valle , Stefano Longhi

We propose the use of stimulated Raman adiabatic passage (STIRAP) to offer a fast high fidelity method of performing SU(2) rotations on spinor Bose Einstein condensates (BEC). Past demonstrations of BEC optical control suffer from…

Quantum Gases · Physics 2016-12-21 Andreas Thomasen , Tetsuya Mukai , Tim Byrnes