Weyl semimetal phases and implementation in degenerate optical cavities

Sun, Bo; Luo, Xi; Gong, Ming; Guo, Guanhua; Zhou, Zheng

doi:10.1103/physreva.96.013857

Cited by 17 publications

(20 citation statements)

References 57 publications

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“…Here we illustrate this pathway by considering the exploration of Weyl point physics in synthetic dimension [47,48,61]. A Weyl point is a two-fold degeneracy in a three-dimensional band structure with linear dispersion in its vicinity [93].…”

Section: B Topological Photonicsmentioning

confidence: 99%

Synthetic dimension in photonics

Yuan¹,

Lin²,

Xiao³

et al. 2018

Optica

377

259

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The physics of a photonic structure is commonly described in terms of its apparent geometric dimensionality. On the other hand, with the concept of synthetic dimension, it is in fact possible to explore physics in a space with a dimensionality that is higher as compared to the apparent geometrical dimensionality of the structures. In this review, we discuss the basic concepts of synthetic dimension in photonics, and highlighting the various approaches towards demonstrating such synthetic dimension for fundamental physics and potential applications.

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Section: B Topological Photonicsmentioning

confidence: 99%

Synthetic dimension in photonics

Yuan¹,

Lin²,

Xiao³

et al. 2018

Optica

377

259

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“…Besides studying topological physics in real space, dynamically modulated resonators also provide a unique platform to explore higher dimensional topological physics in lower dimensional physical systems, by incorporating synthetic dimensions in photonics [6,7]. Inspired by earlier works of synthetic dimensions in lattice systems [103][104][105], resonators supporting multiple degenerate modes with different orbital angular momentum (OAM) have been used to simulate the topological physics, where the synthetic dimension is constructed by coupling modes with different OAM using a pair of spatial light modulators [106][107][108][109].…”

Section: Topology Of Dynamically Modulated Resonatorsmentioning

confidence: 99%

Topological phases in ring resonators: recent progress and future prospects

Leykam

Yuan

2020

Nanophotonics

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Topological photonics has emerged as a novel paradigm for the design of electromagnetic systems from microwaves to nanophotonics. Studies to date have largely focused on the demonstration of fundamental concepts, such as nonreciprocity and waveguiding protected against fabrication disorder. Moving forward, there is a pressing need to identify applications where topological designs can lead to useful improvements in device performance. Here, we review applications of topological photonics to ring resonator–based systems, including one- and two-dimensional resonator arrays, and dynamically modulated resonators. We evaluate potential applications such as quantum light generation, disorder-robust delay lines, and optical isolation, as well as future research directions and open problems that need to be addressed.

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“…The synthetic dimension in photonics has been explored with great interest in the past few years [1][2][3][4][5][6]. Various degrees of freedom of photons, such as their frequency [5][6][7][8][9][10][11][12][13][14] and their orbital angular momentum (OAM) [4,[15][16][17][18], have been used to construct the synthetic space. By combining the spatial dimension with either the frequency or the OAM dimension, one can use a one-dimensional array of optical cavities to create a two-dimensional synthetic space [4][5][6].…”

mentioning

confidence: 99%

“…By combining the spatial dimension with either the frequency or the OAM dimension, one can use a one-dimensional array of optical cavities to create a two-dimensional synthetic space [4][5][6]. In such synthetic spaces, it is possible to explore various high dimensional physics effects with a low dimensional physical structure, including photonic gauge potential [4][5][6], topological photonics [8,9,12,16,17], and photonic physics with parity-time symmetry [13]. Furthermore, these constructions enable not only the control of light propagation along the spatial dimension, but also the manipulation of either the frequency or the OAM of light.…”

mentioning

confidence: 99%

Photonic Gauge Potential in One Cavity with Synthetic Frequency and Orbital Angular Momentum Dimensions

et al. 2019

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We explore a single degenerate optical cavity supporting a synthetic two dimensional space, which includes the frequency and the orbital angular momentum axes of light. We create the effective gauge potential inside this synthetic space and show that the system exhibits topologicallyprotected one-way edge states along the OAM axis at the boundaries of the frequency dimension. In this synthetic space, we present a robust generation and manipulation of entanglement between the frequency and OAM of photons. Our work shows that a higher dimensional synthetic space involving multiple degrees of freedom of light can be achieved in a "zero" dimensional spatial structure, pointing towards a unique platform to explore topological photonics and to realize potential applications in optical communications and quantum information processing.

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Weyl semimetal phases and implementation in degenerate optical cavities

Cited by 17 publications

References 57 publications

Synthetic dimension in photonics

Synthetic dimension in photonics

Topological phases in ring resonators: recent progress and future prospects

Photonic Gauge Potential in One Cavity with Synthetic Frequency and Orbital Angular Momentum Dimensions

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