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We present an effective and fast (few microseconds) procedure for transferring ultra-cold atoms from the ground state in a harmonic trap into the desired bands of an optical lattice. Our shortcut method is a designed pulse sequence where…

Atomic Physics · Physics 2018-05-15 Xiaoji Zhou , Shengjie Jin , J. Schmiedmayer

Recent proposals suggest that lasers based on narrow dipole-forbidden transitions in cold alkaline earth atoms could achieve linewidths that are orders of magnitude smaller than linewidths of any existing lasers. Here, we demonstrate a…

Atomic Physics · Physics 2016-03-23 Matthew A. Norcia , James K. Thompson

We study the possibility to enhance the phase space density of non-interacting particles submitted to a classical laser field without spontaneous emission. We clearly state that, when no spontaneous emission is present, a quantum…

Quantum Physics · Physics 2019-01-02 Thierry Chanelière , Daniel Comparat , Hans Lignier

We have developed a theory of three-pulse coherent control of photochemical processes. It is based on adiabatic passage and quantum coherence and interference attributed to the lower-lying dissociation continuum and excited upper discrete…

Quantum Physics · Physics 2009-11-10 A. K. Popov , V. V. Kimberg , Thomas F. George

The evolution of a system induced by counter-diabatic driving mimics the adiabatic dynamics without the requirement of slow driving. Engineering it involves diagonalizing the instantaneous Hamiltonian of the system and results in the need…

Quantum Physics · Physics 2013-09-05 Adolfo del Campo

The expansion of a harmonic potential that holds a quantum particle may be realized without any final particle excitation but much faster than adiabatically via "shortcuts to adiabaticity" (STA). While ideally the process time can be…

Quantum Physics · Physics 2016-09-28 Yang-Yang Cui , Xi Chen , J. G. Muga

Scaling of quantum gates remains a central challenge in quantum information science. Ultrafast gates based on spin-dependent kicks provide a promising approach for trapped-ion systems. However, these gates require laser pulses with both…

Quantum Physics · Physics 2025-11-10 En-Teng An , Hao-Qing Zhang , Yun-Feng Huang , Chuan-Feng Li , Jin-Ming Cui

A new perspective on how to manipulate molecules by means of very strong laser pulses is emerging with insights from the so-called light-induced potentials, which are the adiabatic potential energy surfaces of molecules severely distorted…

Chemical Physics · Physics 2016-03-03 Bo Y. Chang , Ignacio R. Sola , Seokmin Shin

We discuss fast frictionless cooling techniques in the framework of sympathetic cooling of cold atomic mixtures. It is argued that optimal cooling of an atomic species - in which the deepest quantum degeneracy regime is achieved - may be…

Quantum Gases · Physics 2011-11-10 Stephen Choi , Roberto Onofrio , Bala Sundaram

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

This paper presents a novel approach to launch single microparticles at high velocities under low vacuum conditions. In an all-optical table-top method, microparticles with sizes ranging from a few microns to tens of microns are accelerated…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 David Veysset , Yuchen Sun , Steven E. Kooi , Jet Lem , Keith A. Nelson

We consider the phase stability of a local oscillator (or laser) locked to a cavity QED system comprised of atoms with an ultra-narrow optical transition. The atoms are cooled to millikelvin temperatures and then released into the optical…

Quantum Physics · Physics 2015-06-30 D. A. Tieri , J. Cooper , Bjarke T. R. Christensen , J. W. Thomsen , M. J. Holland

We investigate theoretically the slow group velocity of a pulse probe laser propagating through a cold sample and interacting with atoms in a three-level $\Lambda$ configuration having losses towards external states. The EIT phenomenon…

Quantum Physics · Physics 2019-08-17 E. Cerboneschi , F. Renzoni , E. Arimondo

We outline a method to slow paramagnetic atoms or molecules using pulsed magnetic fields. We also discuss the possibility of producing trapped particles by adiabatic deceleration of a magnetic trap. We present numerical simulation results…

Atomic and Molecular Clusters · Physics 2009-11-13 E. Narevicius , C. G. Parthey , A. Libson , M. F. Riedel , U. Even , M. G. Raizen

Cooling down a trapped ion into its motional ground state is a central step for trapped ions based quantum information processing. State of the art cooling schemes often work under a set of optimal cooling conditions derived analytically…

Quantum Physics · Physics 2021-10-12 Xie-Qian Li , Shuo Zhang , Jie Zhang , Wei Wu , Chu Guo , Ping-Xing Chen

Quantum algorithms are prominent in the pursuit of achieving quantum advantage in various computational tasks. However, addressing challenges, such as limited qubit coherence and high error rate in near-term devices, requires extensive…

Quantum Physics · Physics 2024-07-31 Julián Ferreiro-Vélez , Iñaki Iriarte-Zendoia , Yue Ban , Xi Chen

Frequency up-shifting of laser light in a beam-driven plasma wakefield has the potential to provide high-intensity sources of short wavelength radiation. Simulations have demonstrated that a laser pulse can undergo large frequency shifts,…

Plasma Physics · Physics 2025-12-10 Neil Beri , John Palastro , Qian Qian , Kyle Miller , Brandon Russell , Alexander Thomas

The wave function of a moderately cold atom in a stationary near-resonant standing light wave delocalizes very fast due to wave packet splitting. However, we show that frequency modulation of the field may suppress packet splitting for some…

Atomic Physics · Physics 2013-11-25 V. Yu. Argonov

We extend the theory of quantum light memory in atomic ensemble of Lambda type atoms with considering lower levels coherence decay rate and one and two-photon detunings from resonances in low intensity and adiabatic passage limit. We obtain…

Quantum Physics · Physics 2007-05-23 Hassan Kaatuzian , Ali Rostami , Ahmad Ajdarzadeh Oskouei

We propose an alternative scheme to implement the quantum state transfer between two three-level atoms based on the invariant-based inverse engineering in cavity quantum electronic dynamics (QED) system. The quantum information can be…

Quantum Physics · Physics 2013-05-24 Mei Lu , Li-Tuo Shen , Yan Xia , Jie Song
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