Exceptional points and non-Hermitian photonics at the nanoscale
Exceptional points (EPs) arising in non-Hermitian systems have led to a variety of intriguing
wave phenomena, and have been attracting increased interest in various physical platforms …
wave phenomena, and have been attracting increased interest in various physical platforms …
Prospects and applications of on-chip lasers
Integrated silicon photonics has sparked a significant ramp-up of investment in both
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …
Non-Hermitian topological phase transitions controlled by nonlinearity
Manipulating topological invariants is possible by modifying the global properties of optical
devices to alter their band structures. This could be achieved by statically altering devices or …
devices to alter their band structures. This could be achieved by statically altering devices or …
Topological metasurface: From passive toward active and beyond
Metasurfaces are subwavelength structured thin films consisting of arrays of units that allow
the control of polarization, phase, and amplitude of light over a subwavelength thickness …
the control of polarization, phase, and amplitude of light over a subwavelength thickness …
Photonic topological insulator induced by a dislocation in three dimensions
The hallmark of topological insulators (TIs) is the scatter-free propagation of waves in
topologically protected edge channels. This transport is strictly chiral on the outer edge of …
topologically protected edge channels. This transport is strictly chiral on the outer edge of …
Hyperbolic photonic topological insulators
Topological photonics provides a new degree of freedom to robustly control electromagnetic
fields. To date, most of established topological states in photonics have been employed in …
fields. To date, most of established topological states in photonics have been employed in …
Photonic Floquet skin-topological effect
Y Sun, X Hou, T Wan, F Wang, S Zhu, Z Ruan… - Physical Review Letters, 2024 - APS
Non-Hermitian skin effect and photonic topological edge states are of great interest in non-
Hermitian physics and optics. However, the interplay between them is largely unexplored …
Hermitian physics and optics. However, the interplay between them is largely unexplored …
Topological multimode waveguide QED
Topological insulators feature a number of topologically protected boundary modes linked to
the value of their bulk invariant. While in one-dimensional systems the boundary modes are …
the value of their bulk invariant. While in one-dimensional systems the boundary modes are …
Non-local skyrmions as topologically resilient quantum entangled states of light
In the early 1960s, inspired by developing notions of topological structure, Tony Skyrme
suggested that sub-atomic particles can be described as natural excitations of a single …
suggested that sub-atomic particles can be described as natural excitations of a single …
Fractal photonic anomalous Floquet topological insulators to generate multiple quantum chiral edge states
M Li, C Li, L Yan, Q Li, Q Gong, Y Li - Light: Science & Applications, 2023 - nature.com
Anomalous Floquet topological insulators with vanishing Chern numbers but supporting
chiral edge modes are attracting more and more attention. Since the existing anomalous …
chiral edge modes are attracting more and more attention. Since the existing anomalous …