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Implementation of quantum logical gates for multilevel system is demonstrated through decoherence control under the quantum adiabatic method using simple phase modulated laser pulses. We make use of selective population inversion and…

Quantum Physics · Physics 2009-11-11 Debabrata Goswami

We develop a complete theoretical description of photoassociative Stimulated Raman Adiabatic Passage (STIRAP) near a Feshbach resonance in a thermal atomic gas. We show that it is possible to use low intensity laser pulses to directly…

Quantum Physics · Physics 2015-05-13 Elena Kuznetsova , Susanne F. Yelin , Marko Gacesa , Philippe Pellegrini , Robin Côté

Robust quantum control is essential for the development of quantum computers, which rely on precise manipulation of qubits. One form of quantum control is stimulated Raman adiabatic passage (STIRAP), which ordinarily is a state transfer…

Quantum Physics · Physics 2024-06-26 Khayla Black , Xi Chen , Tim Byrnes

An automated and robust method for adiabatic population transfer and the preparation of an arbitrary quantum superposition state in atomic system using the oscillating dark states (ODS) is presented. Quantum state of a three-level $\Lambda$…

Quantum Physics · Physics 2008-02-04 Jun He , Yong-Sheng Zhang , Xiang-Fa Zhou , Qun-Feng Chen , Guang-Can Guo

We propose the use of the subwavelength localization via adiabatic passage technique for fluorescence microscopy with nanoscale resolution in the far field. This technique uses a {\Lambda}-type medium coherently coupled to two laser pulses:…

Quantum Physics · Physics 2015-04-14 Juan Luis Rubio , Daniel Viscor , Verònica Ahufinger , Jordi Mompart

A solid-state analogue of Stimulated Raman Adiabatic Passage can be implemented in a triple well solid-state system to coherently transport an electron across the wells with exponentially suppressed occupation in the central well at any…

Mesoscale and Nanoscale Physics · Physics 2010-11-10 Rajib Rahman , Seung H. Park , Jared H. Cole , Andrew D. Greentree , Richard P. Muller , Gerhard Klimeck , Lloyd C. L. Hollenberg

We demonstrate that in stimulated Raman transitions, introducing one or two simple phase shifts to the control fields significantly enhances the fidelity of state manipulation while simultaneously reducing leakage to the intermediate…

Quantum Physics · Physics 2025-01-29 Hua-Yang Wang , Xu-Yang Chen , Zhen-Yu Wang

We work out the theory and applications of a fast quasi-adiabatic approach to speed up slow adiabatic manipulations of quantum systems by driving a control parameter as near to the adiabatic limit as possible over the entire protocol…

Quantum Physics · Physics 2015-10-14 S. Martínez-Garaot , A. Ruschhaupt , J. Gillet , Th. Busch , J. G. Muga

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) is a standard technique to combat experimental imperfections and can be used to realize robust quantum state control, which has many applications in physics, chemistry, and beyond. However, STIRAP…

Quantum Physics · Physics 2021-01-21 Bao-Jie Liu , Man-Hong Yung

This theoretical paper presents numerical calculations for photoassociation of ultracold cesium atoms with a chirped laser pulse and detailed analysis of the results. In contrast with earlier work, the initial state is represented by a…

Atomic and Molecular Clusters · Physics 2009-11-10 E. Luc-Koenig , R. Kosloff , F. Masnou-Seeuws , M. Vatasescu

A robust quantum protocol has been developed that achieves highly efficient entanglement transfer from a three-atom Rydberg system, initially in a W state (|rrg>+|rgr>+|grr>)/3^0.5, to an equivalent photonic W state…

Quantum Physics · Physics 2024-09-25 Aneesh Ramaswamy , Svetlana Malinovskaya

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

We propose a protocol to realize fast high-fidelity quantum state transfer between distant optomechanical interfaces connected by a continuum waveguide. The scheme consists of three steps: two accelerating adiabatic processes joined by a…

Quantum Physics · Physics 2021-11-19 Hanzhe Xi , Pei Pei

Frequency-modulation schemes offer an alternative to standard Rabi pulses for realizing robust quantum operations. In this work, we investigate short-duration population transfer between the ground and first excited states of a ladder-type…

Quantum Physics · Physics 2025-11-24 John J. McCord , Marko Kuzmanović , Gheorghe Sorin Paraoanu

We use optimal control in order to find the optimal shapes of pulses maximizing the population transfer between two bound states which are coupled via a continuum of states. We find that the optimal bounded controls acquire the…

Quantum Physics · Physics 2021-12-28 Dionisis Stefanatos , Emmanuel Paspalakis

Chainwise stimulated Raman adiabatic passage (C-STIRAP) in M-type molecular system is a good alternative in creating ultracold deeply-bound molecules when the typical STIRAP in {\Lambda}-type system does not work due to weak Frank-Condon…

Quantum Physics · Physics 2024-08-06 Jiahui Zhang , Li Deng , Yueping Niu , Shangqing Gong

The main challenge in deterministic quantum state transfer in long-distance quantum communications is the transmission losses in the communication channel. To overcome this limitation, here we use the adiabatic theorem and find a lossless…

Quantum Physics · Physics 2020-03-04 Mojtaba Rezaei , Kurosh Javidan , Hamidreza Ramezani , Mehdi Abdi

The influence of excited-state absorption (ESA) and two-exciton processes on a coherent population transfer with intense ultrashort chirped pulses in molecular systems in solution has been studied. An unified treatment of adiabatic rapid…

Chemical Physics · Physics 2016-09-28 B. D. Fainberg , V. A. Gorbunov

By adiabatically manipulating tunneling amplitudes of cold atoms in a periodic potential with a multiple sublattice structure, we are able to coherently transfer atoms from a sublattice to another without populating the intermediate…

Quantum Gases · Physics 2020-01-20 Shintaro Taie , Tomohiro Ichinose , Hideki Ozawa , Yoshiro Takahashi
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