Dimitri Basov

Curvature-Induced One-Dimensional Phonon Polaritons at Edges of Folded Boron Nitride Sheets

Xingxu Yan, Jie Li, Lei Gu, Chaitanya Gadre et autres

Generation and manipulation of phonon polaritons are of paramount importance for understanding the interaction between an electromagnetic field and dielectric materials and furthering their application in mid-infrared optical communication. However, the formation of tunable one-dimensional phonon polaritons has been rarely realized in …

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Hyperbolic Plasmons Propagate through a Nodal Metal

Yinming Shao, Aaron Sternbach, Brian S. Y. Kim, Andrey Rikhter et autres

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Nano-spectroscopy of excitons in atomically thin transition metal dichalcogenides

Shuai Zhang, Baichang Li, Xinzhong Chen, Francesco L. Ruta et autres

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Ultra-high-Resolution, Label-Free Hyperlens Imaging in the Mid-IR

Mingze He, Ganjigunte R. S. Iyer, Shaurya Aarav, Sai Sunku et autres

Abstract The hyperbolic phonon polaritons supported in hexagonal boron nitride (hBN) exhibiting long scattering lifetimes are advantageous for applications like super-resolution imaging via hyperlensing. Yet, challenges exist in hyperlens imaging to distinguish individual and closely spaced objects and in correlating the complicated …

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Nanoimaging of Electrical Failure in VO2 Resistive-Switching Nanodevices

Anatoly Shabalin, Javier del Valle, Aliaksei Charnukha, Nelson Hua et autres

Pushing the limits of electronics to higher performance has always been constrained by fatigue and failure of the constituting devices. For high-speed resistive-switching components, this problem is particularly important. Here, we used complementary nanoimaging techniques to explore electrical damage in a resistive-switching …

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Phonon Polaritons in Monolayers of Hexagonal Boron Nitride

Siyuan Dai, Wenjing Fang, Nicholas Rivera, Yijing Stehle et autres

Phonon polaritons in van der Waals materials reveal significant confinement accompanied with long propagation length: important virtues for tasks pertaining to the control of light and energy flow at the nanoscale. While previous studies of phonon polaritons have relied on relatively thick …

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One-Dimensional Potential in Graphene

Apoorv Jindal, Avishai Benyamini, Sai Sunku, Yihang Zeng et autres

Nanoscopic Hyperlensing from Natural and Monoisotopic Hexagonal Boron Nitride Crystals

Swathi V. Iyer, Alexander J. Giles, Sai Sunku, Thomas G. Folland et autres

A nonlinear THz study of strong light-matter coupling between plasmonic metamaterials and a superconducting Josephson Plasmon in La 2-x Sr x CuO 4 .

Jacob Schalch, Chunxu Chen, Xiaoguang Zhao, Dimitri Basov et autres

Low Temperature Terahertz Nano Imaging of WTe2 Thin Film

Ran Jing, Yinming Shao, Zaiyao Fei, Xiaodong Xu et autres

Fundamental Limits to graphene plasmonics

Guangxin Ni, McLeod Alexander, Zhiyuan Sun, Lei Wang et autres

Abstract Plasmon polaritons are hybrid excitations of light and mobile electrons that can confine the energy of long-wavelength radiation at the nanoscale. Plasmon polaritons may enable many enigmatic quantum effects, including lasing 1 , topological protection2, 3 and dipole-forbidden absorption 4 . …

Theory of entangled-plasmon-pair generation in graphene

Zhiyuan Sun, Dimitri Basov, M. M. Fogler