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Scattering immune propagation of light in topological photonic systems may revolutionarize the design of integrated photonic circuits for information processing and communications. In optics, various photonic topological circuits have been…

The propagation of electromagnetic waves in vacuum is often described within the geometrical optics approximation, which predicts that wave rays follow null geodesics. However, this model is valid only in the limit of infinitely high…

General Relativity and Quantum Cosmology · Physics 2020-07-29 Marius A. Oancea , Jérémie Joudioux , I. Y. Dodin , D. E. Ruiz , Claudio F. Paganini , Lars Andersson

We consider reflection and transmission of polarized paraxial light beams at a plane dielectric interface. The field transformations taking into account a finite beam width are described based on the plane-wave representation and geometric…

Optics · Physics 2013-01-18 Konstantin Y. Bliokh , Andrea Aiello

Spin orbit interaction and the resulting Spin Hall effect of light are under recent intensive investigations because of their fundamental nature and potential applications. Here, we report an extraordinary spin specific beam shift of light…

Probing the polarization of gravitational waves (GWs) would provide an evidence of graviton, indicating the quantization of gravity. Motivated by the next generation of gravitational wave detectors, we make an attempt to study the possible…

General Relativity and Quantum Cosmology · Physics 2022-11-08 Qianfan Wu , Weishan Zhu , Longlong Feng

The photonic spin Hall effect (PSHE) in surface plasmon resonance (SPR) structures has great potential for various polarization-sensitive applications and devices. Here, using optical weak measurement, we observe spin-dependent and…

Spin-orbit interactions are subwavelength phenomena which can potentially lead to numerous device related applications in nanophotonics. Here, we report Spin-Hall effect in the forward scattering of Hermite-Gaussian and Gaussian beams from…

The interaction of light with matter serves as a fundamental tool for probing material properties across a wide range of energy regimes. Recent breakthroughs in tailoring the topology of coherent electromagnetic fields have opened new…

Optics · Physics 2025-03-31 C. Granados , B. Kumar Das , M. F. Ciappina , W. Gao

We demonstrate the controlled spatiotemporal transfer of transverse orbital angular momentum (OAM) to electromagnetic waves: the spatiotemporal torquing of light. This is a radically different situation than OAM transfer to longitudinal,…

Optics · Physics 2023-07-14 S. W. Hancock , S. Zahedpour , A. Goffin , H. M. Milchberg

The orbital angular momentum Hall effect and spin Hall effect of electron vortex beams (EVB) have been studied for the EVBs interacting with laser field. In the scenario of paraxial beam, the cumulative effect of the orbit-orbit interaction…

Quantum Physics · Physics 2015-12-15 Pratul Bandyopadhyay , Banasri Basu , Debashree Chowdhury

We investigate experimentally the role of spatial coherence on optical beam shifts. This topic has been the subject of recent theoretical debate. We consider Gaussian Schell-model beams, with different spatial degrees of coherence,…

Optics · Physics 2015-06-05 Michele Merano , Gabriele Umbriaco , Giampaolo Mistura

It has been recently recognized that in addition to the conventional longitudinal angular momentum, structured (inhomogeneous) optical fields exhibit helicity-independent transverse spin angular momentum (SAM) and an unusual spin (circular…

Optics · Physics 2018-07-13 Sudipta Saha , Nirmalya Ghosh , Subhasish Dutta Gupta

Reading antiferromagnetic order remains a central obstacle for antiferromagnetic memory and logic because zero net magnetisation precludes conventional magnetic readout. Domain imaging typically relies on x-ray magnetic linear dichroism…

We study the spin-orbital interaction and the spin Hall effect(SHE) of an electron moving on a noncommutative space under the influence of a vector potential A. On a noncommutative space we find that the commutator between the vector…

High Energy Physics - Theory · Physics 2011-08-23 Kai Ma , Sayipjamal Dulat

We observe the inverse spin Hall effect in a two-dimensional electron gas confined in AlGaAs/InGaAs quantum wells. Specifically, we find that an inhomogeneous spin density induced by the optical injection gives rise an electric current…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Baoli Liu , Junren Shi , Wenxin Wang , Hongming Zhao , Dafang Li , Shoucheng Zhang , Qikun Xue , Dongmin Chen

Topological polaritons, combining the robustness of the topological protected edge states to defects and disorder with the strong nonlinear properties of polariton bosons, represent an excellent platform to investigate novel photonic…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Jiahuan Ren , Teng Long , Chunling Gu , Hongbing Fu , Dmitry Solnyshkov , Guillaume Malpuech , Qing Liao

Spatiotemporal optical vortices (STOVs) with spiral phase in the space-time domain, which carry intrinsic transverse orbital angular momentum (OAM), introduce a new degree of freedom to light beams and exhibit unique properties. While…

Optics · Physics 2025-04-17 Shunlin Huang , Peng Wang , Yilin Xu , Jun Liu , Ruxin Li

By analyzing the vectorial Helmholtz equation within the thin-layer approach, we find that light acquires a novel geometrical phase, in addition to the usual one (the optical Berry phase), during the propagation along a curved path. Unlike…

Optics · Physics 2019-10-02 Meng-Yun Lai , Yong-Long Wang , Guo-Hua Liang , Hong-Shi Zong

Light carrying transverse orbital angular momentum (T-OAM) in the form of spatiotemporal optical vortices (STOVs) is opening new degrees of freedom for structured light manipulation. Such spatiotemporal wavepackets hold significant…

Optics · Physics 2025-11-25 Jinxin Wu , Dan Wang , Qingqing Liang , Jianhua Hu , Jiahao Dong , Jijun Feng , Yi Liu

Recently, a spatiotemporal optical vortex (STOV) with a transverse orbital angular momentum (OAM) has been generated from coherent ultrafast pulses using mode-locked lasers. In contrast, we demonstrate theoretically and experimentally that…

Optics · Physics 2021-09-22 Amal Mirando , Yimin Zang , Qiwen Zhan , Andy Chong