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Related papers: Stimulated Raman adiabatic passage into continuum

200 papers

We report on the experimental demonstration of stimulated Raman adiabatic passage (STIRAP) in a Tm$^{3+}$:YAG crystal. Tm$^{3+}$:YAG is a promising material for use in quantum information processing applications, but as yet there are few…

Quantum Physics · Physics 2011-06-27 A. L. Alexander , R. Lauro , A. Louchet , T. Chanelière , J. L. Le Gouët

We generate half-excited symmetric Dicke states of two and four ions. We use multi-level stimulated Raman adiabatic passage (STIRAP) whose intermediate states are phonon Fock states. This process corresponds to the spin squeezing operation…

Quantum Physics · Physics 2015-06-11 Atsushi Noguchi , Kenji Toyoda , Shinji Urabe

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

We describe analytically and numerically the process of population transfer by stimulated Raman adiabatic passage through a bright state when the pulses propagate in a medium. Limitations of the adiabaticity are analyzed and interpreted in…

Quantum Physics · Physics 2015-05-13 G. G. Grigoryan , G. V. Nikoghosyan , T. Halfmann , Y. T. Pashayan-Leroy , C. Leroy , S. Guérin

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 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…

We implement high-efficiency coherent excitation to a Rydberg state using stimulated Raman adiabatic passage in a cold atom electron and ion source. We achieve an efficiency of 60% averaged over the laser excitation volume with a peak…

Atomic Physics · Physics 2016-08-17 B. M. Sparkes , D. Murphy , R. J. Taylor , R. W. Speirs , A. J. McCulloch , R. E. Scholten

We demonstrate that by changing the direction of the chirp in VUV pulses one can switch between excitation and ionization with very high contrast, if the carrier frequency of the light is resonant with two bound states. This is a surprising…

Atomic Physics · Physics 2018-10-18 Ulf Saalmann , Sajal Kumar Giri , Jan M. Rost

We demonstrate that Optimal Control Theory (OCT) with a state-dependent constraint which depends on the state of the system at each instant can reproduce the famous counterintuitive mechanism of Stimulated Raman adiabatic passage (STIRAP).…

Quantum Physics · Physics 2017-01-09 Amine Jaouadi , Mamadou Ndong

We propose schemes to prepare atomic entangled states in a bi-mode cavity via stimulated Raman adiabatic passage (STIRAP) and fractional stimulated Raman adiabatic passage (f-STIRAP) tech- niques. According to the simulation results, our…

Quantum Physics · Physics 2012-01-05 Li-Bo Chen , Peng Shi , Yong-Jian Gu , Lin Xie , Li-Zhen Ma

We use optimal control theory to obtain shortcuts to adiabaticity which maximize population transfer in a three-level STIRAP system, for a given finite duration of the process and specified dissipation rate at the intermediate state. We fix…

Quantum Physics · Physics 2022-12-27 Dionisis Stefanatos , Emmanuel Paspalakis

We introduce and analyze theoretically a procedure that combines slow adiabatic STIRAP manipulation with short nonadiabatic Rabi pulses to produce any desired three-level state in a qutrit system. In this protocol, the fast pulses create…

Adiabatic passage techniques, used to drive a system from one quantum state into another, find widespread application in physics and chemistry. We focus on techniques to spatially transport a quantum amplitude over a strongly coupled…

Quantum Physics · Physics 2020-07-15 Koen Groenland , Carla Groenland , Reinier Kramer

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

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

The intriguing analogy between quantum physics and optics has inspired the design of unconventional integrated photonics devices. In this paper, we numerically demonstrate a broadband integrated polarization beam splitter (PBS) by…

Optics · Physics 2021-11-25 Guang Yang , Alexander V. Sergienko , Abdoulaye Ndao

In a solid-state spin system, we experimentally demonstrate a protocol for quantum-state population transfer with an improved efficiency compared to traditional stimulated Raman adiabatic passage (STIRAP). Using the ground-state triplet of…

Quantum Physics · Physics 2023-05-03 Musang Gong , Min Yu , Ralf Betzholz , Yaoming Chu , Pengcheng Yang , Zhenyu Wang , Jianming Cai

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

Microwave pulse sequences are the basis of coherent manipulation of the electronic spin ground state in nitrogen-vacancy (NV) centers. In this work we demonstrate stimulated Raman transitions (SRT) and stimulated Raman adiabatic passage…

Quantum Physics · Physics 2021-07-07 Florian Böhm , Niko Nikolay , Sascha Neinert , Christoph E. Nebel , Oliver Benson

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