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Related papers: Embedded states in the continuum for ${\mathcal{P …

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We present the first experimental demonstration of a new type of bound states in the continuum, namely, compacton-like linear states in flat bands lattices. To this end, photonic Lieb lattices are employed, which exhibit three tight-binding…

Topological manipulation of light provides a versatile toolbox for photonic technologies. Here, we show that a topological atom array can induce photon localization in a waveguide via symmetry-protected light-matter interaction. Long-lived…

Quantum Physics · Physics 2025-08-01 Yue-Zhi Zhang , Leong-Chuan Kwek , Wei Nie

We propose a realistic semiconductor system containing bound states in the continuum (BICs) which allows for a practical realization. By varying the confinement strength of excitons in cuprous oxide quantum wells, we show that long-lived…

Mesoscale and Nanoscale Physics · Physics 2025-03-14 Angelos Aslanidis , Jörg Main , Patric Rommel , Stefan Scheel , Pavel A. Belov

We show that finite lattices with arbitrary boundaries may support large degenerate subspaces, stemming from the underlying translational symmetry of the lattice. When the lattice is coupled to an environment, a potentially large number of…

Mesoscale and Nanoscale Physics · Physics 2020-06-08 Jordi Mur-Petit , Rafael A. Molina

This paper investigates the generation and stabilization of bound states in the continuum (BICs) in a one-dimensional dissipative Floquet lattice. We find a different mechanism for the generation of stable BICs in the open one-dimensional…

Quantum Physics · Physics 2025-05-13 Yangchun Zhao , Hongzheng Wu , Xinguang Li , Lei Li , Jinpeng Xiao , Zhao-Yun Zeng , Yajiang Chen , Xiaobing Luo

The concept of optical bound states in the continuum (BICs) underpins the existence of strongly localized waves embedded into the radiation spectrum that can enhance the electromagnetic fields in subwavelength photonic structures. Early…

Light can be influenced by permittivity changes in optical resonators, enabling optical sensors, modulators and optical switches. It is straightforward that a high relative change of intensity per change of permittivity, labelled as figure…

Optics · Physics 2020-08-13 Maik Meudt , Chakan Bogiadzi , Kevin Wrobel , Patrick Görrn

Optical bound states in the continuum (BICs) provide a unique mechanism of light confinement that holds great potential for fundamental and applied research in optics and photonics. Of particular interest are merging BICs realized in planar…

Optics · Physics 2025-04-22 Huayu Bai , Andriy Shevchenko , Radoslaw Kolkowski

Photonic bound states in the continuum (BICs) are eigenmodes with an infinite lifetime, which coexist with a continuous spectrum of radiating waves. BICs are not only of great theoretical interest, but have a wide range of practical…

Optics · Physics 2019-04-16 Dmitry A. Bykov , Evgeni A. Bezus , Leonid L. Doskolovich

Bound states in the continuum (BICs), with the ability of trapping and manipulating waves within the radiation continuum, have gained significant attention for their potential applications in optics and acoustics. However, challenges arise…

Materials Science · Physics 2025-09-03 Shunda Yin , Zhenyu Wang , Liping Ye , Hailong He , Manzhu Ke , Weiyin Deng , Jiuyang Lu , Zhengyou Liu

We investigate the band structure and the dynamics of topological singularities of magneto-optical Moir\'e bound states in the continuum (BICs), which originate from two overlapped conventional magneto-optical BIC gratings with mismatched…

Optics · Physics 2025-12-23 Shuo Wang

Historically, most of the quantum mechanical results have originated in one dimensional model potentials. However, Von-Neumann's Bound states in the Continuum (BIC) originated in specially constructed, three dimensional, oscillatory,…

Quantum Physics · Physics 2021-06-24 Zafar Ahmed , Sachin Kumar , Dona Ghosh , Tarit Goswami

Bound states in the continuum (BICs) exist in a variety of physical systems where they appear as lossless propagating states surrounded by radiating modes. However, in the case of open systems, they coexist with continuous families of…

Bound states in the continuum (BICs) are exotic optical topological singularities that defy the typical radiation within the continuum of radiative modes and carry topological polarization vortices in momentum space. Enabling ultrahigh…

Metasurface with bound states in the continuum (BICs) offer exceptional potential for optical sensing due to their inherently high quality (Q) factors. However, the detection of symmetry-protected BICs remains experimentally challenging due…

In a Hermitian system, bound states must have quantized energies, whereas extended states can form a continuum. We demonstrate how this principle fails for non-Hermitian systems, by analyzing non-Hermitian continuous Hamiltonians with an…

Quantum Physics · Physics 2023-03-29 Qiang Wang , Changyan Zhu , Xu Zheng , Haoran Xue , Baile Zhang , Y. D. Chong

Bound states in the continuum (BSCs) were reported in a linear vibronic coupling model with a conical intersection (CI) [Cederbaum et al. Phys. Rev. Lett. 90, 013001 (2003)]. It was also found that these states are destroyed within the…

Chemical Physics · Physics 2018-01-03 Sarah Henshaw , Artur F. Izmaylov

Some quantum critical states cannot be smoothly deformed into each other without either crossing some multicritical points or explicitly breaking certain symmetries even if they belong to the same universality class. This brings up the…

Strongly Correlated Electrons · Physics 2022-11-18 Xue-Jia Yu , Rui-Zhen Huang , Hong-Hao Song , Limei Xu , Chengxiang Ding , Long Zhang

We study a simple open quantum system with a PT-symmetric defect potential as a prototype to illustrate general features of PT-symmetric open quantum systems; however, the potential could be mimicked by a number of recent PT experiments.…

Quantum Physics · Physics 2015-08-28 Savannah Garmon , Mariagiovanna Gianfreda , Naomichi Hatano

We present the concept of time-domain bound states in continuum. We show that a rapid judiciously-designed temporal modulation of the refractive index in a spatially homogenous medium gives rise to a bound state in time embedded in a…