708 citations · 4.4k across the 68 of their papers we have counts for
77 papers
Multipolar Nanophotonics with Quantum Computers
Alex Krasnok
Small particles respond to light through electric and magnetic patterns called multipoles. Their interference determines the direction of scattered light and affects the decay of n…
Manipulating Fano coupling in an opto-thermoelectric field
Linhan Lin, Sergey Lepeshov, Alex Krasnok +6
Fano resonances in photonics arise from the coupling and interference between two resonant modes in structures with broken symmetry. They feature an uneven and narrow and tunable l…
Anisotropic Virtual Gain and Large Tuning of Particles' Scattering by Complex-Frequency Excitations
Grigorios P. Zouros, Iridanos Loulas, Evangelos Almpanis +2
Active tuning of the scattering of particles and metasurfaces is a highly sought-after property for a host of electromagnetic and photonic applications, but it normally requires ch…
Reflectionless Plasma Ignition via High-Power Virtual Perfect Absorption
Théo Delage, Jérôme Sokoloff, Olivier Pascal +3
Plasma ignition is critical in various scientific and industrial applications, demanding an efficient and robust execution mechanism. In this work, we present an innovative approac…
Advancements in Superconducting Microwave Cavities and Qubits for Quantum Information Systems
Alex Krasnok, Pashupati Dhakal, Arkady Fedorov +3
Superconducting microwave cavities with ultra-high Q-factors are revolutionizing the field of quantum computing, offering long coherence times exceeding 1 ms, which is critical for…
Tunable Magnetless Optical Isolation with Twisted Weyl Semimetals
Vladislav Chistyakov, Viktar S. Asadchy, Shanhui Fan +2
Weyl semimetals hold great promise in revolutionizing nonreciprocal optical components due to their unique topological properties. By exhibiting nonreciprocal magneto-optical effec…
Thermal Emission Control via Twist Tuning of Embedded Eigenstates
Vladislav A. Chistyakov, Alex Krasnok
The field of thermal emission engineering shows great potential for various applications, such as lighting, energy harvesting, and imaging, using natural or artificial structures.…
Fano-Qubits for Quantum Devices with Enhanced Isolation and Bandwidth
Deepanshu Trivedi, Leonid Belostotski, Arjuna Madanayake +1
Magneto-optical isolators and circulators have been widely used to safeguard quantum devices from reflections and noise in the readout stage. However, these devices have limited ba…
Topological Metamaterials
Xiang Ni, Simon Yves, Alex Krasnok +1
One of the most significant breakthroughs in physics of the last decade has been the discovery that materials with non-trivial topological properties for electronic, electromagneti…
Beyond Bounds on Light Scattering with Complex Frequency Excitations
Seunghwi Kim, Sergey Lepeshov, Alex Krasnok +1
Light scattering is one of the most established wave phenomena in optics, lying at the heart of light-matter interactions and of crucial importance for nanophotonic applications. P…
Unveiling Topological Charges and Their Manipulation in Electronic Circuits
Zarko Sakotic, Predrag Stankovic, Vesna Bengin +3
Leveraging topological properties in the response of electromagnetic systems can greatly enhance their potential. Although the investigation of singularity-based electromagnetics a…
Cloaking a nanolaser
Sergey Lepeshov, Andrey Vyshnevyy, Alex Krasnok
Light emitters are bound to strongly interact with light through enhanced absorption and scattering, which imposes limitations on the design and performance of photonic devices suc…
Enhanced Meta-Displays Using Advanced Phase-Change Materials
Omid Hemmatyar, Sajjad Abdollahramezani, Ioannis Zeimpekis +12
Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation, and wide-gamut color printin…
Up-And-Coming Physical Concepts of Wireless Power Transfer
Mingzhao Song, Prasad Jayathurathnage, Esmaeel Zanganeh +7
The rapid development of chargeable devices has caused a great deal of interest in efficient and stable wireless power transfer (WPT) solutions. Most conventional WPT technologies…
Low-Symmetry Nanophotonics
Alex Krasnok, Andrea Alú
Photonics and optoelectronics are at the foundations of widespread technologies, from high-speed Internet to systems for artificial intelligence, automotive LiDAR, and optical quan…
Advanced Phase-Change Materials for Enhanced Meta-Displays
Omid Hemmatyar, Sajjad Abdollahramezani, Sergey Lepeshov +4
Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation and wide-gamut color printing…
Electrically driven programmable phase-change meta-switch reaching 80% efficiency
Sajjad Abdollahramezani, Omid Hemmatyar, Mohammad Taghinejad +11
Despite recent advances in active metaoptics, wide dynamic range combined with high-speed reconfigurable solutions is still elusive. Phase-change materials (PCMs) offer a compellin…
Observation of Topologically Robust Localized Magnetic Plasmon Skyrmions
Zi-Lan Deng, Tan Shi, Alex Krasnok +2
Optical skyrmions have recently been constructed by tailoring electric or spin field distributions through the interference of multiple surface plasmon polaritons, offering promisi…
Enhanced Light-Matter Interaction in Two-Dimensional Transition Metal Dichalcogenides
Lujun Huang, Alex Krasnok, Andrea Alu +3
Two dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as MoS2, WS2, MoSe2, and WSe2, have received extensive attention in the past decade due to their extraor…
Parity-Time Symmetry and Exceptional points: A Tutorial
Alex Krasnok, Nikita Nefedkin, Andrea Alu
The physics of systems that cannot be described by a Hermitian Hamiltonian, has been attracting a great deal of attention in recent years, motivated by their nontrivial responses a…
Boundary-Induced Embedded Eigenstate in a Single Resonator for Advanced Sensing
Rasmus E. Jacobsen, Alex Krasnok, Samel Arslanagic +2
Electromagnetic embedded eigenstates, also known as bound states in the continuum (BICs), hold a great potential for applications in sensing, lasing, enhanced nonlinearities and en…
Topological scattering singularities and embedded eigenstates for polarization control and sensing applications
Zarko Sakotic, Alex Krasnok, Andrea Alú +1
Epsilon-near-zero and epsilon near-pole materials enable reflective systems supporting a class of symmetry-protected and accidental embedded eigenstates (EE) characterized by a div…
Advances in Optical and Microwave Nonreciprocity
Sergey V Kutsaev, Alex Krasnok, Sergey N. Romanenko +3
Modern photonic and quantum technologies demand reciprocity breaking, e.g., isolators, full-duplex systems, noise isolation in quantum computers, motivating searching for practical…
Directivity modulation of exciton emission using single dielectric nanospheres
Jie Fang, Mingsong Wang, Kan Yao +10
Coupling emitters with nanoresonators is an effective strategy to control light emission at the subwavelength scale with high efficiency. Low-loss dielectric nanoantennas hold part…