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相关论文: Enantioselective optical forces in gain-functional…

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In response to arXiv:1506.07423v1 we discuss the authors work, and our own, on proposed schemes aiming to achieve a discriminatory optical force for chiral molecules.

量子物理 · 物理学 2015-07-16 David S. Bradshaw , Matt M. Coles , David L. Andrews

The plasmonic investigation involves activating a multilayer consisting of silver, platinum, silica, and silicon. Hybrid waveguide and surface plasmon polariton modes define the device plasmonic activity. The presence of micrometric…

光学 · 物理学 2023-09-19 Giuseppina Simone

Versatile manipulation of nano- and microobjects underlies the optomechanics and a variety of its applications in biology, medicine, and lab-on-a-chip platforms. For flexible tailoring optical forces, as well as for extraordinary…

We propose a theoretical method for enantio-discrimination based on the light deflection effect in four-level models of chiral molecules. This four-level model consists of a cyclic three-level subsystem coupled by three strong driving…

光学 · 物理学 2020-08-12 Yu-Yuan Chen , Chong Ye , Quansheng Zhang , Yong Li

Developing effective methods to measure the enantiomeric excess of the chiral mixture is one of the major topics in chiral molecular researches, yet remains challenging. Enantiodetection method via two-dimensional (2D) spectroscopy based on…

化学物理 · 物理学 2023-05-05 Mao-Rui Cai , Chong Ye , Yong Li , Hui Dong

Locally chiral light is an emerging tool for probing and controlling molecular chirality. It can generate large and freely adjustable enantioselectivities in purely electric-dipole effects, offering its major advantages over traditional…

光学 · 物理学 2023-10-19 Chong Ye , Yifan Sun , Libin Fu , Xiangdong Zhang

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…

化学物理 · 物理学 2023-01-11 Nam Vu , Grace M. McLeod , Kenneth Hanson , A. Eugene DePrince

Chirality and chiral molecules are key elements in modern chemical and biochemical industries. Individual addressing, and the eventual separation of chiral enantiomers has been and still is an important elusive task in molecular physics and…

We have theoretically investigated optical tweezing of gain-functionalized microspheres using a highly focused single beam in the nonparaxial regime. We employ the Mie-Debye theory of optical tweezers to calculate the optical force acting…

光学 · 物理学 2021-10-27 R. Ali , R. S. Dutra , F. A. Pinheiro , P. A. Maia Neto

The recently introduced synthetic chiral light [D. Ayuso et al, Nat. Photon. 13, 866-871 (2019)] has opened up new opportunities for ultrafast and highly efficient imaging and control of chiral matter. Here we show that the giant…

化学物理 · 物理学 2022-05-18 David Ayuso

Chiral nanophotonic structures have garnered considerable interest in recent years due to their potential to enhance the efficacy of chirality-sensitive biomolecular detection. Designing metaplatforms to enhance chiroptical signals under…

We report on the first experimental demonstration of enantioselective rotational control of chiral molecules with a laser field. In our experiments, two enantiomers of propylene oxide are brought to accelerated unidirectional rotation by…

We demonstrate tunable pulling and pushing optical forces on plasmonic nanostructures around Fano resonance. The plasmonic nanostructure containing a spherical core with optical gain and a metallic shell shows much larger optical pulling…

光学 · 物理学 2017-10-18 D. L. Gao , R. Shi , Y. Huang , W. H. Ni , L. Gao

Chiroptical techniques for detecting and characterizing the chirality of matter and artificial nanostructures are traditionally based on their interaction with chiral light, typically circularly-polarized fields propagating in free space.…

Strong enhancement of molecular circular dichroism has the potential to enable efficient asymmetric photolysis, a method of chiral separation that has conventionally been impeded by insufficient yield and low enantiomeric excess. Here, we…

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…

光学 · 物理学 2022-11-30 David Ayuso , Andres F. Ordonez , Olga Smirnova

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…

量子物理 · 物理学 2023-10-05 Chong Ye , Yifan Sun , Yong Li , Xiangdong Zhang

The use of biomaterials - with techniques such as DNA-directed assembly or bio-directed synthesis - can surpass top-down fabrication techniques in creating plasmonic superstructures, in terms of spatial resolution, range of functionality…

Directional radiation and scattering play an essential role in light manipulation for various applications in integrated nanophotonics, antenna and metasurface designs, quantum optics, etc. The most elemental system with this property is…

经典物理 · 物理学 2023-06-21 Yuqiong Cheng , Kayode Adedotun Oyesina , Bo Xue , Dangyuan Lei , Alex M. H. Wong , Shubo Wang

Efficient manipulation of the emission direction of a chiral nanoscale light source is significant for information transmission and on-chip information processing. Here, we propose a scheme to control the directionality of nanoscale chiral…

光学 · 物理学 2023-04-05 Hai Lin , Te Wen , Jinglin Tang , Lulu Ye , Guanyu Zhang , Weidong Zhang , Ying Gu , Qihuang Gong , Guowei Lu