English
Related papers

Related papers: Two-Step Enantio-selective Optical Switch

200 papers

We propose an enantio-detection method of chiral molecules in a cavity with external drive. The chiral molecules are coupled with a quantized cavity field and two classical light fields to form the cyclic three-level systems. The…

Quantum Physics · Physics 2022-02-15 Yu-Yuan Chen , Jian-Jian Cheng , Chong Ye , Yong Li

We present polarization-independent optical shutters with a sub-millisecond switching time. The approach utilizes dual-frequency nematics doped with a dichroic dye. Two nematic cells with orthogonal alignment are driven simultaneously by a…

Chirality, the absence of mirror symmetry, is a fundamental molecular property with far-reaching consequences from chemistry to biology. Yet enantiosensitive optical responses are very weak. Here, we introduce a theoretical framework in…

Optics · Physics 2026-01-12 Yang-Cheng Ye , Panpan Zhang , Ajay Jha , Fulu Zheng , Hong-Guang Duan

We conceived a model experiment for a continuous separation strategy of chiral molecules (enantiomers) without the need of any chiral selector structure or derivatization agents: Micro-particles that only differ by their chirality are shown…

Statistical Mechanics · Physics 2015-06-11 Lukas Bogunovic , Marc Fliedner , Ralf Eichhorn , Sonja Wegener , Jan Regtmeier , Dario Anselmetti , Peter Reimann

The topological response of matter to electromagnetic fields is a property in high demand in materials design and metrology due to its robustness against noise and decoherence, stimulating recent advances in ultrafast photonics. Embedding…

We propose a novel high resolution microscopy technique for enantio-specific detection of chiral samples down to sub-100 nm size, based on force measurement. We delve into the differential photo-induced optical force exerted on an achiral…

Optical methods of enantiomeric-specific state transfer had been proposed theoretically based on a cyclic three-level system of chiral molecule. According to these theoretical methods, recently the breakthrough progress has been reported in…

Quantum Physics · Physics 2020-11-16 Quansheng Zhang , Chong Ye , Yu-Yuan Chen , Yong Li

Synthetic chiral light enables ultrafast and highly efficient imaging of molecular chirality. Unlike standard circularly polarized light, the handedness of synthetic chiral light does not rely on the spatial structure of the light field: it…

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

Enantiomer-specific state transfer (ESST), which involves transferring enantiomers with different handedness of a chiral molecule into different-energy internal states, is a challenging yet significant task. Previous ESST methods are based…

Quantum Physics · Physics 2024-10-30 Fen Zou , Yong Li , Peng Zhang

We show that the position of the exceptional points (EPs) in the parameter space of a chiral molecule coupled to the photoionization continuum by a three-color field is enantiosensitive. Using a minimal model of a three-level system driven…

Quantum Physics · Physics 2023-07-11 Nicola Mayer , Nimrod Moiseyev , Olga Smirnova

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

Chirality is ubiquitous in nature and of fundamental importance in science. The present work focuses on understanding the conditions required to modify the chirality during ultrafast electronic motion by bringing enantiomers…

Chemical Physics · Physics 2021-01-04 Sucharita Giri , Alexandra Maxi Dudzinski , Jean Christophe Tremblay , Gopal Dixit

Electrostatic hexapoles are revealed as a powerful tool in the rotational state-selection and alignment of molecules to be utilized in beam experiments on collisional and photoinitiated processes. In the paper, we report results on the…

In the framework of cavity QED, we propose a practical scheme to purify dynamically a bipartite entangled state using short chains of atoms coupled to high-finesse optical cavities. In contrast to conventional entanglement purification…

Quantum Physics · Physics 2015-05-28 Denis Gonta , Peter van Loock

Inspired by a sea creature, we identify a robust chiral optical force that pushes the opposite enantiomers of a chiral molecule towards regions of orthogonal linear polarization in an optical field via electric dipole interactions. Our…

The enantiopurification of racemic mixtures of chiral molecules is important for a range of applications. Recent work has shown that chiral group-directed photoisomerization is a promising approach to enantioenrich racemic mixtures of…

Chemical Physics · Physics 2023-01-11 Nam Vu , Grace M. McLeod , Kenneth Hanson , A. Eugene DePrince

We investigate enantiodetection for both a single cyclic three-level chiral molecule and finite ensembles of such molecules by monitoring the steady-state intracavity photon number in a cavity-QED platform. Our scheme exploits the intrinsic…

Quantum Physics · Physics 2025-11-14 Xiang Guo , Xiaojun Zhang , Yong Li , Zhihai Wang

Chiral discrimination of enantiomeric biomolecules is vital in chemistry, biology, and medicine. Conventional methods, relying on circularly polarized light, face weak chiroptical signals and potential photodamage. Despite extensive efforts…

Quantum Physics · Physics 2026-01-21 Yiquan Yang , Xiaolong Hu , Wei Du , Shuhe Wu , Peiyu Yang , Guzhi Bao , Weiping Zhang

Geometrical chirality is a universal property encountered on very different length scales ranging from geometrical shapes of living organisms to protein and DNA molecules. Interaction of chiral matter with chiral light - that is,…

The infamous weakness of molecular chiroptical responses challenges the all-optical realization of crucial applications such as enantio-selective sorting of chiral molecules, or biasing chiral chemical reactions. Chiral optical cavities are…

Optics · Physics 2026-03-12 Lukas Rebholz , Carsten Rockstuhl , Ivan Fernandez-Corbaton