Search Results - "Alù, Andrea"

Exceptional points in optics and photonics by Miri, Mohammad-Ali, Alù, Andrea

“…Exceptional points are branch point singularities in the parameter space of a system at which two or more eigenvalues, and their corresponding eigenvectors,…”
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Analogue computing with metamaterials by Zangeneh-Nejad, Farzad, Sounas, Dimitrios L., Alù, Andrea, Fleury, Romain

“…Despite their widespread use for performing advanced computational tasks, digital signal processors suffer from several restrictions, including low speed, high…”
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Diffusive topological transport in spatiotemporal thermal lattices by Xu, Guoqiang, Yang, Yihao, Zhou, Xue, Chen, Hongsheng, Alù, Andrea, Qiu, Cheng-Wei

“…Topological phases have been studied in photonic, acoustic and phononic metamaterials, promising a range of applications. Such topological modes usually stem…”
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Zero-index metamaterials for classical and quantum light by Liberal, Iñigo, Alù, Andrea, Engheta, Nader

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Dispersion engineered metasurfaces for broadband, high-NA, high-efficiency, dual-polarization analog image processing by Cotrufo, Michele, Arora, Akshaj, Singh, Sahitya, Alù, Andrea

“…Optical metasurfaces performing analog image processing – such as spatial differentiation and edge detection – hold the potential to reduce processing times…”
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Limitations of Sensing at an Exceptional Point by Duggan, Robert, Mann, Sander A., Alù, Andrea

“…With the rapid progress of high-quality superconducting and photonic resonators, it has become possible to sense with extremely high precision a wide range of…”
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Experimental observation of topological Z2 exciton-polaritons in transition metal dichalcogenide monolayers by Li, Mengyao, Sinev, Ivan, Benimetskiy, Fedor, Ivanova, Tatyana, Khestanova, Ekaterina, Kiriushechkina, Svetlana, Vakulenko, Anton, Guddala, Sriram, Skolnick, Maurice, Menon, Vinod M., Krizhanovskii, Dmitry, Alù, Andrea, Samusev, Anton, Khanikaev, Alexander B.

“…The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum…”
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Fano-induced solar absorption enhancement in thin organic photovoltaic cells by Le, Khai Q., Alù, Andrea

“…We explore the enhancement mechanisms associated with combined Fano resonances in metasurfaces, demonstrating enhanced absorption efficiency of thin-film…”
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Tailoring exceptional points in a hybrid PT-symmetric and anti-PT-symmetric scattering system by Xiao, Zhicheng, Alù, Andrea

“…Fano resonances feature an asymmetric lineshape with controllable linewidth, stemming from the interplay between bright and dark resonances. They provide…”
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Circuit elements at optical frequencies : Nanoinductors, nanocapacitors, and nanoresistors by ENGHETA, Nader, SALANDRINO, Alessandro, ALU, Andrea

“…We present the concept of circuit nanoelements in the optical domain using plasmonic and nonplasmonic nanoparticles. Three basic circuit elements, i.e.,…”
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Dispersion braiding and band knots in plasmonic arrays with broken symmetries by Yin, Shixiong, Alù, Andrea

“…Periodic arrays can support highly nontrivial modal dispersion, stemming from the interplay between localized resonances of the array elements and distributed…”
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Reciprocity of thermal diffusion in time-modulated systems by Li, Jiaxin, Li, Ying, Cao, Pei-Chao, Qi, Minghong, Zheng, Xu, Peng, Yu-Gui, Li, Baowen, Zhu, Xue-Feng, Alù, Andrea, Chen, Hongsheng, Qiu, Cheng-Wei

“…The reciprocity principle governs the symmetry in transmission of electromagnetic and acoustic waves, as well as the diffusion of heat between two points in…”
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Nonreciprocal scattering and unidirectional cloaking in nonlinear nanoantennas by Goh, Heedong, Krasnok, Alex, Alù, Andrea

“…Reciprocal scatterers necessarily extinguish the same amount of incoming power when excited from opposite directions. This property implies that it is not…”
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Cloaking of an acoustic sensor using scattering cancellation by Guild, Matthew D., Alù, Andrea, Haberman, Michael R.

“…In this Letter, a bilaminate acoustic cloak designed using scattering cancellation methods is applied to the case of an acoustic sensor consisting of a hollow…”
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Nonreciprocal total cross section of quantum metasurfaces by Nefedkin, Nikita, Cotrufo, Michele, Alù, Andrea

“…Nonreciprocity originating from classical interactions among nonlinear scatterers has been attracting increasing attention in the quantum community, offering a…”
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Input Impedance, Nanocircuit Loading, and Radiation Tuning of Optical Nanoantennas by Alù, Andrea, Engheta, Nader

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First-principles homogenization theory for periodic metamaterials by Alù, Andrea

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Temporal signal processing with nonlocal optical metasurfaces by Michele Cotrufo, Sedigheh Esfahani, Dmitriy Korobkin, Andrea Alù

“…Abstract Nonlocal metasurfaces have recently enabled an ultra-compact, low-power and high-speed platform to perform analog image processing. While several…”
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Internal Nanostructure Diagnosis with Hyperbolic Phonon Polaritons in Hexagonal Boron Nitride by Dai, Siyuan, Tymchenko, Mykhailo, Xu, Zai-Quan, Tran, Toan Trong, Yang, Yafang, Ma, Qiong, Watanabe, Kenji, Taniguchi, Takashi, Jarillo-Herrero, Pablo, Aharonovich, Igor, Basov, D. N., Tao, Tiger H., Alù, Andrea

“…Imaging materials and inner structures with resolution below the diffraction limit has become of fundamental importance in recent years for a wide variety of…”
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Enhancing functionalities of atomically thin semiconductors with plasmonic nanostructures by Cotrufo, Michele, Sun, Liuyang, Choi, Junho, Alù, Andrea, Li, Xiaoqin

“…Atomically thin, two-dimensional, transition-metal dichalcogenide (TMD) monolayers have recently emerged as a versatile platform for optoelectronics. Their…”
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