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Open AccessDirect extraction of topological Zak phase with the synthetic dimension
Measuring topological invariants is an essential task in characterizing topological phases of matter. They are usually obtained from the number of edge states due to the bulk-edge correspondence or from interf...
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Open AccessUltracompact topological photonic switch based on valley-vortex-enhanced high-efficiency phase shift
Topologically protected edge states based on valley photonic crystals (VPCs) have been widely studied, from theoretical verification to technical applications. However, research on integrated tuneable topologi...
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Open AccessUltraviolet supercontinuum generation driven by ionic coherence in a strong laser field
Supercontinuum (SC) light sources hold versatile applications in many fields ranging from imaging microscopic structural dynamics to achieving frequency comb metrology. Although such broadband light sources ar...
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Open AccessBound state in a giant atom-modulated resonators system
It is of fundamental interest in controlling the light–matter interaction for a long time in the field of quantum information processing. Here, we explore a model by coupling a giant atom with the dynamically-...
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New Kind of Condensation of Bose Particles Through Stimulated Processes
We show that stimulated scattering of an isolated system of N Bose particles with initially broad energy distribution can yield condensation of particles into excited collective state in which most of the bosons ...
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Open AccessCreating boundaries along a synthetic frequency dimension
Synthetic dimensions have garnered widespread interest for implementing high dimensional classical and quantum dynamics on low-dimensional geometries. Synthetic frequency dimensions, in particular, have been u...
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Open AccessTemporal modulation brings metamaterials into new era
Temporal modulations in photonics bring many exotic optical phenomena in the time dimension while metamaterials provide powerful ways in manipulating light in the spatial domain. The authors envision the conne...
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Topological dissipation in a time-multiplexed photonic resonator network
Topological phases feature robust edge states that are protected against the effects of defects and disorder. These phases have largely been studied in conservatively coupled systems, in which non-trivial topo...
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Topologically protected quantum entanglement emitters
Entanglement and topology portray nature at the fundamental level but differently. Entangled states of particles are intrinsically sensitive to the environment, whereas the topological phases of matter are nat...
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Open AccessTopological holographic quench dynamics in a synthetic frequency dimension
The notion of topological phases extended to dynamical systems stimulates extensive studies, of which the characterization of nonequilibrium topological invariants is a central issue and usually necessitates t...
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Open AccessSimulating graphene dynamics in synthetic space with photonic rings
Photonic honeycomb lattices have attracted broad interests for their fruitful ways in manipulating light, which yet hold difficulties in achieving arbitrary reconfigurability and hence flexible functionality d...
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Open AccessTunable super- and subradiant boundary states in one-dimensional atomic arrays
Efficient manipulation of quantum states is a key step towards applications in quantum information, quantum metrology, and nonlinear optics. Recently, atomic arrays have been shown to be a promising system for...
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Open AccessExperimental band structure spectroscopy along a synthetic dimension
There has been significant recent interest in synthetic dimensions, where internal degrees of freedom of a particle are coupled to form higher-dimensional lattices in lower-dimensional physical structures. For...
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Open AccessDirectional coherent light via intensity-induced sideband emission
We introduce a unique technique for generating directional coherent emissions that could be utilized to create coherent sources in a wide range of frequencies from the extreme ultraviolet (XUV) to the deep inf...
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Open AccessPhotonic Weyl point in a two-dimensional resonator lattice with a synthetic frequency dimension
Weyl points, as a signature of 3D topological states, have been extensively studied in condensed matter systems. Recently, the physics of Weyl points has also been explored in electromagnetic structures such a...
