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We present a scheme to realize precise discrimination of chiral molecules in a cavity. Assisted by additional laser pulses, cavity fields can evolve to different coherence states with contrary-sign displacements according to the handedness…

Quantum Physics · Physics 2023-07-19 Yi-Hao Kang , Zhi-Cheng Shi , Jie Song , Yan Xia

Chiral molecules with broken parity symmetries can be modeled as quantum systems with cyclic-transition structures. By using these novel properties, we design two-step laser pulses to distinguish left- and right-handed molecules from the…

Quantum Physics · Physics 2015-05-19 W. Z. Jia , L. F. Wei

We propose a method to realize enantiodiscrimination of chiral molecules based on quantum correlation function in a driven cavity-molecule system, where the chiral molecule is coupled with a quantized cavity field and two classical light…

Quantum Physics · Physics 2022-08-12 Fen Zou , Yu-Yuan Chen , Bo Liu , Yong Li

We introduce a method for detection of chiral molecules using sequences of three pulses driving a closed-loop three-state quantum system. The left- and right-handed enantiomers have identical optical properties (transition frequencies and…

Quantum Physics · Physics 2020-07-01 Boyan T. Torosov , Michael Drewsen , Nikolay V. Vitanov

A novel optical method for distinguishing chiral molecules is proposed and validated within a quantum simulator employing a trapped-ion qudit. This approach correlates the sign disparity of the dipole moment of chiral molecules with…

Quantum Physics · Physics 2024-03-11 Teng Liu , Fa Zhao , Pengfei Lu , Qifeng Lao , Min Ding , Ji Bian , Feng Zhu , Le Luo

A highly-efficient method for optical detection and separation of left- and right-handed chiral molecules is presented. The method utilizes a closed-loop three-state system in which the population dynamics depends on the phases of the three…

Quantum Physics · Physics 2019-05-08 Nikolay V. Vitanov , Michael Drewsen

We study quantum systems with broken symmetry that can be modelled as cyclic three-level atoms with coexisting one- and two-photon transitions. They can be selectively optically excited to any state. As an example, we show that left- and…

Quantum Physics · Physics 2008-01-28 Yong Li , C. Bruder

In this paper, a scheme is put forward to design pulses which drive a three-level system based on the reverse engineering with Lewis-Riesenfeld invariant theory. The scheme can be applied to a three-level system even when the rotating-wave…

Quantum Physics · Physics 2017-10-11 Yi-Hao Kang , Ye-Hong Chen , Bi-Hua Huang , Jie Song , Yan Xia

Distinguishing between the left- and right-handed versions of a chiral molecule (enantiomers) is vital, but also inherently difficult. Traditional optical methods using elliptically or circularly polarized light rely on weak linear effects…

Optics · Physics 2022-06-08 Laura Rego , David Ayuso

We propose to discriminate chiral molecules by combining one- and two-photon processes in a closed-loop configuration. The one-photon-coupling intrinsic {\pi}-phase difference between two enantiomers leads to their different superposition…

Quantum Physics · Physics 2020-02-20 Jin-Lei Wu , Yan Wang , Jie Song , Yan Xia , Shi-Lei Su , Yong-Yuan Jiang

A new scheme for enantiomer differentiation of chiral molecules using a pair of linearly polarized intense ultrashort laser pulses with skewed mutual polarization is presented. The technique relies on the fact that the off-diagonal…

Chemical Physics · Physics 2017-05-04 Andrey Yachmenev , Sergei N. Yurchenko

We theoretically introduce a scheme to perform Ramsey spectroscopy on a racemic mixture of chiral molecules, simultaneously extracting the transition frequencies of the left- and right-handed molecules, known as enantiomers. By taking the…

Atomic Physics · Physics 2023-11-07 Itay Erez , Eliana Ruth Wallach , Yuval Shagam

Three-wave mixing spectroscopy of chiral molecules, which exist in left-handed and right-handed conformations, allows for enantio-selective population transfer despite random orientation of the molecules. This is based on constructive…

Quantum Physics · Physics 2019-07-09 Monika Leibscher , Thomas F. Giesen , Christiane P. Koch

Molecular matter-wave interferometry enables novel strategies for manipulating the internal mechanical motion of complex molecules. Here, we show how chiral molecules can be prepared in a quantum superposition of two enantiomers by…

Quantum Physics · Physics 2021-09-22 Benjamin A. Stickler , Mira Diekmann , Robert Berger , Daqing Wang

Unique labeling of chiral stereo-centers must include their handedness. The conventional method that has been developed to do this was originated by three chemists: R.S. Cahn, C. Ingold, and V. Prelog (CIP) and is formally known as R,S…

Chemical Physics · Physics 2015-06-19 Zeev Vager

Today we are witnessing the electric-dipole revolution in chiral measurements. Here we reflect on its lessons and outcomes, such as the perspective on chiral measurements using the complementary principles of "chiral reagent" and "chiral…

Optics · Physics 2022-11-30 David Ayuso , Andres F. Ordonez , Olga Smirnova

We present a comprehensive study of enantioselective orientation of chiral molecules excited by a pair of delayed cross-polarized femtosecond laser pulses. We show that by optimizing the pulses' parameters, a significant (~ 10%) degree of…

Optics · Physics 2022-07-20 Long Xu , Ilia Tutunnikov , Yehiam Prior , Ilya Sh. Averbukh

Chiral discrimination that is efficient to tiny amounts of chiral substances, especially at the single-molecule level, is highly demanded. Here, we propose a single-shot nondestructive quantum sensing method addressing such an issue. Our…

Quantum Physics · Physics 2023-10-05 Chong Ye , Yifan Sun , Yong Li , Xiangdong Zhang

Identifying the handedness of chiral molecules is of fundamental importance in chemistry, biology, pharmacy, and medicine. Nanophotonic structures allow us to control light at the nanoscale and offer powerful tools for chiral sensing,…

We present a new technique for detecting chirality in the gas phase: Chiral molecules are spatially aligned in three-dimensions by a moderately strong elliptically-polarized laser field. The momentum distributions of the charged fragments,…

Chemical Physics · Physics 2021-02-18 Cem Saribal , Alec Owens , Andrey Yachmenev , Jochen Küpper
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