Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Pallabi Paul"'
1
Akademický článek
Carrier-envelope phase on-chip scanner and control of laser beams
Autor: Václav Hanus, Beatrix Fehér, Viktória Csajbók, Péter Sándor, Zsuzsanna Pápa, Judit Budai, Zilong Wang, Pallabi Paul, Adriana Szeghalmi, Péter Dombi
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract The carrier-envelope phase (CEP) is an important property of few-cycle laser pulses, allowing for light field control of electronic processes during laser-matter interactions. Thus, the measurement and control of CEP is essential for applica
Externí odkaz: https://doaj.org/article/84076bd3716e488fb6ee7264ecc946c0
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2
Akademický článek
Nonlinear polarization holography of nanoscale iridium films
Autor: Mouli Hazra, Pallabi Paul, Doyeong Kim, Christin David, Stefanie Gräfe, Ulf Peschel, Matthias Kübel, Adriana Szeghalmi, Adrian N Pfeiffer
Publikováno v: New Journal of Physics, Vol 25, Iss 12, p 123011 (2023)
Attosecond nonlinear polarization spectroscopy designates the subcycle-precise retrieval of the electric field of a femtosecond laser pulse together with the nonlinear polarization response that the laser pulse triggers in a sample. Here, we introduc
Externí odkaz: https://doaj.org/article/20cdc283c523455c9451ede42ace6c29
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4
Direct growth of monolayer MoS2 on nanostructured silicon waveguides
Autor: Athira Kuppadakkath, Emad Najafidehaghani, Ziyang Gan, Alessandro Tuniz, Gia Quyet Ngo, Heiko Knopf, Franz J. F. Löchner, Fatemeh Abtahi, Tobias Bucher, Sai Shradha, Thomas Käsebier, Stefano Palomba, Nadja Felde, Pallabi Paul, Tobias Ullsperger, Sven Schröder, Adriana Szeghalmi, Thomas Pertsch, Isabelle Staude, Uwe Zeitner, Antony George, Andrey Turchanin, Falk Eilenberger
Publikováno v: Nanophotonics. 11:4397-4408
We report for the first time the direct growth of molybdenum disulfide (MoS2) monolayers on nanostructured silicon-on-insulator waveguides. Our results indicate the possibility of utilizing the Chemical Vapour Deposition (CVD) on nanostructured photo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ba9ed15858f3ac7724e4312eed81df3
https://doi.org/10.1515/nanoph-2022-0235
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5
Linear and Nonlinear Optical Properties of Iridium Nanoparticles Grown via Atomic Layer Deposition
Autor: Paul Schmitt, Pallabi Paul, Weiwei Li, Zilong Wang, Christin David, Navid Daryakar, Kevin Hanemann, Nadja Felde, Anne-Sophie Munser, Matthias F. Kling, Sven Schröder, Andreas Tünnermann, Adriana Szeghalmi
Publikováno v: Coatings
Coatings; Volume 13; Issue 4; Pages: 787
Nonlinear optical phenomena enable novel photonic and optoelectronic applications. Especially, metallic nanoparticles and thin films with nonlinear optical properties offer the potential for micro-optical system integration. For this purpose, new non
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6f02488acb0ba40f4ba4a25ab862a01
https://hdl.handle.net/21.11116/0000-000D-3526-D21.11116/0000-000D-3528-B
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6
Heterostructure Films of SiO2 and HfO2 for High-Power Laser Optics Prepared by Plasma-Enhanced Atomic Layer Deposition
Autor: Shawon Alam, Pallabi Paul, Vivek Beladiya, Paul Schmitt, Olaf Stenzel, Marcus Trost, Steffen Wilbrandt, Christian Mühlig, Sven Schröder, Gabor Matthäus, Stefan Nolte, Sebastian Riese, Felix Otto, Torsten Fritz, Alexander Gottwald, Adriana Szeghalmi
Publikováno v: Coatings
Volume 13
Issue 2
Pages: 278
Absorption losses and laser-induced damage threshold (LIDT) are considered to be the major constraints for development of optical coatings for high-power laser optics. Such coatings require paramount properties, such as low losses due to optical abso
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f7410488fc149f1737e6e5deec6afb3
https://publica.fraunhofer.de/handle/publica/437616
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7
Enhanced surface second harmonic generation in nanolaminates
Autor: Fatemeh Abtahi, Pallabi Paul, Sebastian Beer, Athira Kuppadakkath, Anton Pakhomov, Adriana Szeghalmi, Stefan Nolte, Frank Setzpfandt, Falk Eilenberger
Publikováno v: Optics Express. 31:11354
Second-harmonic generation (SHG) is a second-order nonlinear optical process that is not allowed in media with inversion symmetry. However, due to the broken symmetry at the surface, surface SHG still occurs, but is generally weak. We experimentally
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38010996b2d5a231ea919389a0448274
https://doi.org/10.1364/oe.484893
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9
On-Chip Carrier-Envelope Phase Scanner
Autor: Václav Hanus, Beatrix Fehér, Zsuzsanna Pápa, Judit Budai, Pallabi Paul, Adriana Szeghalmi, Péter Dombi
Publikováno v: Conference on Lasers and Electro-Optics.
We performed an on-air measurement of CEP spatial distribution of focused few-cycle laser oscillator beam. The on-chip probe exploits the CEP sensitivity of electric currents in dielectrics exposed to the strong field.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23102ef0577b5afb293e61ad17217fa3
https://doi.org/10.1364/cleo_si.2022.ss2a.2
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10
Laser-Induced Ultrafast Currents in Dielectrics Enhanced by Iridium Nanoparticles
Autor: Beatrix Fehér, Václav Hanus, Zsuzsanna Pápa, Judit Budai, Pallabi Paul, Adriana Szeghalmi, Péter Dombi
Publikováno v: Optica High-brightness Sources and Light-driven Interactions Congress 2022.
We investigate the possibilities of enhancement of CEP dependent currents in dielectrics. We observed an order of magnitude enhancement of current yield by regulating the concentration of iridium nanoparticles in Al2O3 composite systems.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18010ee064b9eeef3d3c4b0c323914ac
https://doi.org/10.1364/hilas.2022.hf3b.5
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