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During the last 2 years, it was shown that an electromagnetic beam configuration can be bent after propagation through an asymmetrically shaped (Janus) dielectric particle, which adds a new degree of simplicity for generation of a curved…

Recently, a type of curved light beams, photonic hooks (PHs), was theoretically predicted and experimentally observed. The production of photonic hook (PH) is due to the breaking of structural symmetry of a plane-wave illuminated…

A new type of curved subwavelength light beam, a photonic hook (PH), emerged from the diffraction of a light wave at a mesoscale dielectric object with broken internal symmetry (Janus particle) was recently reported. For efficient and…

Optics · Physics 2020-06-24 Yury E. Geints , Igor V. Minin , Oleg V. Minin

The photonic hook (PH) is new type of curved light beam which has promising applications in various fields such as nanoparticle manipulation, super-resolution imaging, etc. Herein, we proposed a new approach of utilizing patchy…

Optics · Physics 2021-11-10 Fen Tang , Qingqing Shang , Songlin Yang , Ting Wang , Sorin Melinte , Chao Zuo , Ran Ye

It is well-known that electromagnetic radiation propagates along a straight line, but this common sense was broken by the artificial curved light - Airy beam. In this paper, we demonstrate a new type of curved light beam besides Airy beam,…

Photonic hooks (PHs) are non-evanescent light beams with a highly concentrated curved optical fields. Since their discovery, PHs always have one single inflection point and thus have a hook-like structure. In this work, a new type of PHs…

The photonic hook, a beam that can propagate along a curved path, has attracted wide attention since its inception and experimental confirmation. In this paper, we propose a new type of structure, which was made by a hollow microcylinder…

Optics · Physics 2020-07-28 Zeng Peng , Guoqiang Gu , Liyang Shao , Xingliang Shen

Photonic hook is a high-intensity bent light focus with a proportional curvature to the wavelength of the incident light. Based on this unique light-bending phenomenon, a novel near-field photonic switch by means of a right-trapezoid…

Recently, two special photonic jets, photonic hooks and twin photonic jets, have been proposed to deal with complex conditions in nanoscale manipulation. Photonic hooks are generated by a single light plane wave and an asymmetric…

In this letter, we report the first experimental observation of a photonic hook - a new type of near field curved light generated at the output of dielectric cuboid with broken symmetry having dimensions comparable to the electromagnetic…

In this letter, we report on numerical study, fabrication and experimental observations of tunable photonic nanojet and photonic hook. Here, the curved photonic nanojets (photonic hooks) are generated by single mesoscale microcylinder that…

Structured light have made deep impacts on modern biotechnology and clinical practice, with numerous optical systems and lasers currently being used in medicine to treat disease. We demonstrate a new concept of fiber-based optical hook…

Optics · Physics 2020-07-23 Igor V. Minin , Oleg V. Minin , Yan-Yu Liu , Cheng-Yang Liu

It ia well-known that surface plasmon wave propagates along a straight line, but this common sense was broken by the artificial curved light - plasmon Airy beam. In this paper we introduce a new class of curved surface plasmon wave - the…

In this study, we propose a novel design of the triangular mesoscale Janus prisms for the generation of the long photonic hook. The numerical simulations based on the finite-difference time-domain method are used to examine the formation…

Optics · Physics 2023-05-16 Wei-Yu Chen , Cheng-Yang Liu , Yu-Kai Hsieh , Oleg V. Minin , Igor V. Minin

We report on a very first experimental observation of a new curved plasmonic beam, a plasmonic hook (PH), for surface plasmon-polariton (SPP) waves. We demonstrate that the SPP PH effect could be realized within a trapezoidal dielectric…

In this work, we report the observation of a new type of near-field curved acoustic beam different from the Airy-family beams both through simulations and experiment. This new self-bending acoustical beam is generate from a rectangular…

Applied Physics · Physics 2019-06-06 Constanza Rubio , Daniel Tarrazó-Serrano , Oleg V. Minin , Antonio Uris , Igor V. Minin

The possibility of overcoming the critical condition for localized photonic nanojet upon plane optical wave diffraction at mesoscale dielectric particle, which is commonly known as "the refractive index contrast is less than two", was…

Optics · Physics 2021-05-26 Yu. E. Geints , A. A. Zemlyanov , I. V. Minin , O. V. Minin

In photonics, the idea of controlling light in a similar way that magnetic fields control electrons has always been attractive. It can be realized by synthesizing pseudomagnetic fields (PMFs) in photonic crystals (PhCs). Previous works…

Optics · Physics 2025-09-11 Pan Hu , Lu Sun , Ce Chen , Jingchi Li , Xiong Ni , Xintao He , Jianwen Dong , Yikai Su

With the discovery of self-accelerating beams, possibility of obtaining curved light beams in free space has been realized. These special beams paved the way for many new applications as well as the exploration of novel beam types.…

Classical Physics · Physics 2023-01-11 Berkay Neşeli , Hamza Kurt , Mirbek Turduev

We report on the rst evidence of direct micropeak machining using a photonic jet (PJ) with nanosecond laser pulses. PJ is a high concentrated propagative light beam with a full width at half maximum (FWHM) smaller than the diraction limit.…

Applied Physics · Physics 2018-11-19 Robin Pierron , Pierre Pfeiffer , Grégoire Chabrol , Sylvain Lecler
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