Zobrazeno 1 - 10
of 745
pro vyhledávání: '"Szameit Alexander"'
Autor:
Ren Boquan, Kartashov Yaroslav V., Maczewsky Lukas J., Kirsch Marco S., Wang Hongguang, Szameit Alexander, Heinrich Matthias, Zhang Yiqi
Publikováno v:
Nanophotonics, Vol 12, Iss 19, Pp 3829-3838 (2023)
We study linear and nonlinear higher-order topological insulators (HOTIs) based on waveguide arrays arranged into Sierpiński gasket and Sierpiński carpet structures, both of which have non-integer effective Hausdorff dimensionality. Such fractal st
Externí odkaz:
https://doaj.org/article/292625e99f2f449aa11daae07e773ab1
Exceptional points facilitate peculiar dynamics in non-Hermitian systems. Yet, in photonics, they have mainly been studied in the classical realm. In this work, we reveal the behavior of two-photon quantum states in non-Hermitian systems across the e
Externí odkaz:
http://arxiv.org/abs/2407.12578
Autor:
Stegmaier, Alexander, Fritzsche, Alexander, Sorbello, Riccardo, Greiter, Martin, Brand, Hauke, Barko, Christine, Hofer, Maximilian, Schwingenschlögl, Udo, Moessner, Roderich, Lee, Ching Hua, Szameit, Alexander, Alu, Andrea, Kießling, Tobias, Thomale, Ronny
We build Floquet-driven capactive circuit networks to realize topological states of matter in the frequency domain. We find the Floquet circuit network equations of motion to reveal a potential barrier which effectively acts as a boundary in frequenc
Externí odkaz:
http://arxiv.org/abs/2407.10191
Time is, figuratively and literally, becoming the new dimension for crystalline matter. As such, rapid recent progress on time-varying media gave rise to the notion of temporal and spatiotemporal crystals. Fundamentally rethinking the role of time, w
Externí odkaz:
http://arxiv.org/abs/2407.02176
Autor:
Wang, Kai, White, Simon J. U., Szameit, Alexander, Sukhorukov, Andrey A., Solntsev, Alexander S.
Studying quantum correlations in the presence of loss is of critical importance for the physical modeling of real quantum systems. Here, we demonstrate the control of spatial correlations between entangled photons in a photonic chip, designed and mod
Externí odkaz:
http://arxiv.org/abs/2404.06056
Autor:
Neef, Vera, Pinske, Julien, Wolterink, Tom A. W., Becker, Karo, Heinrich, Matthias, Scheel, Stefan, Szameit, Alexander
One of the most promising nascent technologies, quantum computation faces a major challenge: The need for stable computational building blocks. We present the quantum-optical realization of non-adiabatic holonomies that can be used as single-qubit qu
Externí odkaz:
http://arxiv.org/abs/2401.04014
Autor:
Salinas, Ignacio, Cornejo, Javier Cubillos, Szameit, Alexander, Solano, Pablo, Vicencio, Rodrigo A.
Photonic lattices enable experimental exploration of transport and localization phenomena, two of the mayor goals in physics and technology. In particular, the optical excitation of some lattice sites which evanescently couple to a lattice array emul
Externí odkaz:
http://arxiv.org/abs/2310.20445
Autor:
Stegmaier, Alexander, Brand, Hauke, Imhof, Stefan, Fritzsche, Alexander, Helbig, Tobias, Hofmann, Tobias, Boettcher, Igor, Greiter, Martin, Lee, Ching Hua, Bahl, Gaurav, Szameit, Alexander, Kießling, Tobias, Thomale, Ronny, Upreti, Lavi K.
Quantized adiabatic transport can occur when a system is slowly modulated over time. In most realizations however, the efficiency of such transport is reduced by unwanted dissipation, back-scattering, and non-adiabatic effects. In this work, we reali
Externí odkaz:
http://arxiv.org/abs/2306.15434
Autor:
Saure, Lena M., Kohlmann, Niklas, Qiu, Haoyi, Shetty, Shwetha, Nia, Ali Shaygan, Ravishankar, Narayanan, Feng, Xinliang, Szameit, Alexander, Kienle, Lorenz, Adelung, Rainer, Schütt, Fabian
Conversion of light into heat is essential for a broad range of technologies such as solar thermal heating, catalysis and desalination. Three-dimensional (3D) carbon nanomaterial-based aerogels have shown to hold great promise as photothermal transdu
Externí odkaz:
http://arxiv.org/abs/2303.14014
Multiphoton correlations in linear photonic quantum networks are governed by matrix permanents. Yet, surprisingly few systematic properties of these crucial algebraic objects are known, while their calculation is a computationally hard task. As such,
Externí odkaz:
http://arxiv.org/abs/2302.11884