Zobrazeno 1 - 10
of 609
pro vyhledávání: '"Levy Uriel"'
Active metasurfaces hold great promise for spatial light modulation, and electro-optic tuning using lithium niobate is particularly attractive due to its high transparency and well-established thin-film platform. In this work, we present a free-space
Externí odkaz:
http://arxiv.org/abs/2411.04937
Atomic beams offer measurement capabilities for hot vapors but often require complex, bulky systems, limiting miniaturization. This study explores hot vapors in thin cells (L=30,5 microns) as a simplified analogy to atomic beams. Coherence is maintai
Externí odkaz:
http://arxiv.org/abs/2410.06116
Motivated by their great potential to reduce the size, cost and weight, flat lenses, a category that includes diffractive lenses and metalenses, are rapidly emerging as key components with the potential to replace the traditional refractive optical e
Externí odkaz:
http://arxiv.org/abs/2308.12776
We study gain without inversion due to coherence effects in a Doppler-broadened degenerate three-level system of a rubidium-hydrogen mixture in a miniaturized micron scale custom vapor cell. The cell miniaturization gives rise to collisions of atoms
Externí odkaz:
http://arxiv.org/abs/2211.10940
SERF magnetometers based on dense ensembles of alkali-metal spins are precision quantum sensors that hold the record of measured and projected sensitivity to magnetic fields, in the $\mu\textrm{G}-m\textrm{G}$ range. At geomagnetic fields however, th
Externí odkaz:
http://arxiv.org/abs/2209.13086
Interactions of electron spins with rotational degrees of freedom during collisions or with external fields are fundamental processes that limit the coherence time of spin gases. We experimentally study the decoherence of warm cesium spins dominated
Externí odkaz:
http://arxiv.org/abs/2209.12236
Autor:
Sun, Kaili, Jiang, Hui, Bykov, Dmitry A., Van, Vien, Levy, Uriel, Cai, Yangjian, Han, Zhanghua
The phenomenon of bound state in the continuum (BIC) with infinite quality factor and lifetime has emerged in recent years in photonics as a new tool of manipulating light-matter interactions. However, most of the investigated structures only support
Externí odkaz:
http://arxiv.org/abs/2201.08156
Publikováno v:
Light Sci Appl 12, 60 (2023)
We demonstrate experimentally the realization and the characterization of a chip scale integrated photodetector for the visible and the near infrared spectral regime based on the integration of a MoSe2/WS2 heterojunction on top of a silicon nitride w
Externí odkaz:
http://arxiv.org/abs/2112.08920
Publikováno v:
Science Advances, Vol 8, Issue 16, eabn0889, 2022
Conventional optical displays using ITO (indium tin oxide) and LC (liquid crystal) materials present a lot of challenges in terms of long-term sustainability. We show here how it is possible to generate a cost effective and CMOS compatible fast and f
Externí odkaz:
http://arxiv.org/abs/2110.12836
Autor:
Indukuri, S. R. K. Chaitanya, Frydendahl, Christian, Bar-David, Jonathan, Mazurski, Noa, Levy, Uriel
Publikováno v:
ACS Appl. Nano Mater. 2020, 3, 10, 10226-10233
Due to their atomic layer thickness, direct bandgap, mechanical robustness and other superior properties, transition metal dichalcogenides (TMDCs) monolayers are considered as an attractive alternative to graphene for diverse optoelectronic applicati
Externí odkaz:
http://arxiv.org/abs/2110.02764