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The influence of photon-momentum recoil on adiabatic population transfer in an atomic three-level lambda system is studied. It is shown that the Doppler frequency shifts, due to atomic motion can play an important role in adiabatic…

Quantum Physics · Physics 2016-11-03 R. G. Unanyan

In this paper, the scheme of quantum computing based on Stark chirped rapid adiabatic passage (SCRAP) technique [L. F. Wei et al., Phys. Rev. Lett. 100, 113601 (2008)] is extensively applied to implement the quantum-state manipulations in…

Quantum Physics · Physics 2015-05-19 W. Nie , J. S. Huang , X. Shi , L. F. Wei

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…

Adiabatic techniques using multi-level systems have recently been generalised from the optical case to settings in atom optics, solid state and even classical electrodynamics. The most well known example of these is the so called STIRAP…

Quantum Physics · Physics 2010-07-23 S. McEndoo , S. Croke , J. Brophy , Th. Busch

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

We derive shortcuts to adiabaticity maximizing population transfer in a three-level $\Lambda$ quantum system, using the spin to spring mapping to formulate the corresponding optimal control problem on the simpler system of a classical…

Quantum Physics · Physics 2023-12-29 Vasileios Evangelakos , Emmanuel Paspalakis , Dionisis Stefanatos

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 propose a solid-state implementation of stimulated Raman adiabatic passage in two coupled semiconductor quantum dots. Proper combination of two pulsed laser fields allows the coherent carrier transfer between the two nanostructures…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Ulrich Hohenester , Giovanna Panzarini , Filippo Troiani , Elisa Molinari , Chiara Macchiavello

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 study quantum population transfer via a common intermediate state initially in thermal equilibrium with a finite temperature $T$, exhibiting a multi-level Stimulated Raman adiabatic passage structure. We consider two situations for the…

Quantum Physics · Physics 2020-10-28 Wei Huang , Baohua Zhu , Wei Wu , Shan Yin , Wentao Zhang , Chu Guo

Stimulated Raman Adiabatic Passage (STIRAP) and its variants, such as multi-state chainwise-STIRAP allow efficiently transferring the populations in multi-state system and have been widely used to prepare ultracold deeply-bound molecules.…

Quantum Physics · Physics 2024-07-30 Jiahui Zhang

We consider the dynamics of a single electron in a chain of tunnel coupled quantum dots, exploring the formal analogies of this system with some of the laser-driven multilevel atomic or molecular systems studied by Bruce W. Shore and…

Quantum Physics · Physics 2007-06-12 David Petrosyan , P. Lambropoulos

High-fidelity and robust coherent population transfer is a major challenge in coherent quantum control. Different from the well known adiabatic condition, we present a rigorous adiabatic condition that is inspired by the idea of the…

Quantum Physics · Physics 2019-09-04 Jian Xu , Yan-Xiong Du , Wei Huang

We show that stimulated Raman adiabatic passage (STIRAP) and its superadiabatic version (saSTIRAP) have a natural geometric two-star representation on the Majorana sphere. In the case of STIRAP, we find that the evolution is confined to a…

Quantum Physics · Physics 2020-10-19 Shruti Dogra , Antti Vepsäläinen , G. S. Paraoanu

We propose an efficient strategy to find optimal control functions for state-to-state quantum control problems. Our procedure first chooses an input state trajectory, that can realize the desired transformation by adiabatic variation of the…

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 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

We propose and demonstrate the method of population transfer by piecewise adiabatic passage between two quantum states. Coherent excitation of a two-level system with a train of ultrashort laser pulses is shown to reproduce the effect of an…

Atomic Physics · Physics 2009-11-13 S. Zhdanovich , E. A. Shapiro , M. Shapiro , J. W. Hepburn , V. Milner

Adiabatic rapid passage (ARP) is extensively used to achieve efficient transfer or inversion of populations in quantum systems. Landau and Zener accurately estimated the transfer probability of ARP for a closed system and showed that this…

Quantum Physics · Physics 2023-07-05 Nilanjana Chanda , Pratik Patnaik , Rangeet Bhattacharyya

Many schemes to realize quantum state transfer in spin chains are not robust to random fluctuations in the spin-spin coupling strength. In efforts to achieve robust quantum state transfer, an adiabatic quantum population transfer scheme is…

Quantum Physics · Physics 2009-11-13 Vinitha Balachandran , Jiangbin Gong