Lasing with Topological Weyl Semimetal

Oktay, Güneş; Sarisaman, Mustafa; Taş, Murat

doi:10.1038/s41598-020-59423-3

Cited by 9 publications

(8 citation statements)

References 59 publications

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“…1A). Interestingly, rs55705857 is not associated with the risk of IDH-wild type (IDH-WT) glioma or other cancers, including IDH-mutant acute myeloid leukemia (6)(7)(8).…”

mentioning

confidence: 99%

A noncoding single-nucleotide polymorphism at 8q24 drives IDH1 -mutant glioma formation

Yanchus

Drucker

Kollmeyer

et al. 2022

Science

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Establishing causal links between inherited polymorphisms and cancer risk is challenging. Here, we focus on the single-nucleotide polymorphism rs55705857, which confers a sixfold greater risk of isocitrate dehydrogenase ( IDH) –mutant low-grade glioma (LGG). We reveal that rs55705857 itself is the causal variant and is associated with molecular pathways that drive LGG. Mechanistically, we show that rs55705857 resides within a brain-specific enhancer, where the risk allele disrupts OCT2/4 binding, allowing increased interaction with the Myc promoter and increased Myc expression. Mutating the orthologous mouse rs55705857 locus accelerated tumor development in an Idh1 R132H -driven LGG mouse model from 472 to 172 days and increased penetrance from 30% to 75%. Our work reveals mechanisms of the heritable predisposition to lethal glioma in ~40% of LGG patients.

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“…1A). Interestingly, rs55705857 is not associated with the risk of IDH-wild type (IDH-WT) glioma or other cancers, including IDH-mutant acute myeloid leukemia (6)(7)(8).…”

mentioning

confidence: 99%

A noncoding single-nucleotide polymorphism at 8q24 drives IDH1 -mutant glioma formation

Yanchus

Drucker

Kollmeyer

et al. 2022

Science

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“…One such example is the topological magnetoelectric effect. The topological magneto-electric effect is a phenomenon when an electric field produces a magnetic field in the same direction (parallel to itself) as odd multiples of the fine structure constant, α = e 2 /4πε 0 hc [25]. Certain types of Weyl semimetals can exhibit strong CD, which can lead to a rotation of the polarization of an incident electromagnetic wave.…”

Section: Maxwell's Equations For a Twsmentioning

confidence: 99%

Circular dichroism in nonlinear topological Weyl semimetals

Alomeare,

Nutku,

Sarısaman

2024

J. Opt.

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In recent years, the field of topological photonics has emerged as a promising area of research due to its potential for developing new photonic devices with unique properties. Topological Weyl semimetals (TWS), which are characterized by the presence of Weyl points in their electronic band structure, are one such example of a material with interesting topological properties. In this study, Kerr and Faraday rotations were used to determine the nonlinear characteristics of TWS. We focused on surfaces where no Fermi arcs are involved, so that Maxwell's equations would contain some peculiar topological terms. In Weyl semimetals with a specific topology, the distance between Weyl nodes aligned along the z-direction functions as a magnet. This results in a significant polar Kerr/Faraday rotation effect that is proportional to the separation distance, when light is directed onto the surface of the topological Weyl semimetal that lacks Fermi arc states. Conversely, when the light is directed onto a surface with Fermi arc states, the Voigt effect is quadratically proportional to the separation distance. We considered electromagnetic wave propagation in a nonlinear Kerr-type medium. We have derived and solved the linear and nonlinear Helmholtz equations for topological Weyl semimetals by using tanh method. Our findings reveal that wave solutions could have some potentially significant implications for the design and optimization of photonic devices based on topological Weyl semimetals.

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“…Of course, this tutorial review cannot cover all the reported optical phenomena and applications of Weyl semimetals. Here we list some examples of other phenomena and applications not covered in this review: gyrotropic magnetic effect [249], photoinduced anomalous Hall effect [250], nonlinear magneto-optical effects [185], topological frequency conversion [251], emergent electromagnetic induction [252,253], tunable perfect absorption [254], unidirectional bound states in the continuum [255], transverse Kerker effect [256], and topological lasers [257].…”

Section: Other Effectsmentioning

confidence: 99%

Light control with Weyl semimetals

Guo

Asadchy

Zhao

et al. 2023

eLight

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Weyl semimetals are topological materials whose electron quasiparticles obey the Weyl equation. They possess many unusual properties that may lead to new applications. This is a tutorial review of the optical properties and applications of Weyl semimetals. We review the basic concepts and optical responses of Weyl semimetals, and survey their applications in optics and thermal photonics. We hope this pedagogical text will motivate further research on this emerging topic.

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Lasing with Topological Weyl Semimetal

Cited by 9 publications

References 59 publications

A noncoding single-nucleotide polymorphism at 8q24 drives IDH1 -mutant glioma formation

A noncoding single-nucleotide polymorphism at 8q24 drives IDH1 -mutant glioma formation

Circular dichroism in nonlinear topological Weyl semimetals

Light control with Weyl semimetals

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