Výsledky vyhledávání - "Felix Dreisow"

Discrete beam combiners from astronomy to lasers

Autor: Thomas Pertsch, Stefano Minardi, Ettore Pedretti, Felix Dreisow, Allar Saviauk, Abani Shankar-Nayak, Nadia Chakrova, Markus Gräfe, Stefan Nolte, Momen Diab, Giacomo Corrielli, Romina Diener, Diane Stoffel, Ronny Errmann, Lucas Labadie, Roberto Osellame, Simone Piacentini, Jan Tepper

Publikováno v: Conference on Integrated Optics-Devices, Materials, and Technologies XXIII, 04-07/02/2019
info:cnr-pdr/source/autori:Minardi, Stefano; Diab, Momen; Pedretti, Ettore; Shankar-Nayak, Abani; Saviauk, Allar; Piacentini, Simone; Corrielli, Giacomo; Osellame, Roberto; Diener, Romina; Tepper, Jan; Labadie, Lucas; Dreisow, Felix; Grafe, Markus; Pertsch, Thomas; Nolte, Stefan; Errman, Ronny; Stoffel, Diane; Chakrova, Nadia/congresso_nome:Conference on Integrated Optics-Devices, Materials, and Technologies XXIII/congresso_luogo:/congresso_data:04-07%2F02%2F2019/anno:2019/pagina_da:/pagina_a:/intervallo_pagine

We will review the development in the last decade of discrete beam combiners (DBC), phase sensors based on the propagation of light in photonic lattices. The latest results on the development of DBC for astronomical applications will be presented, al

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b40a02dd557dbaf42b06b9bca3bd266
https://doi.org/10.1117/12.2512276

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Femtosecond laser written arrayed waveguide gratings with integrated photonic lanterns

Autor: Simon Gross, Felix Dreisow, G. Douglass, Michael J. Withford

Publikováno v: Optics express. 26(2)

We demonstrate for the first time functional arrayed waveguide gratings (AWGs) fabricated using the femtosecond laser direct-write technique. This fabrication technique is a mask-less alternative to lithography enabling design flexibility and rapid p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::484aa5ad1b0f48c94c1bcdf859f02e88
https://pubmed.ncbi.nlm.nih.gov/29402023

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Dirac Dynamics in Waveguide Arrays: From Zitterbewegung to Photonic Topological Insulators

Autor: Stefan Nolte, Robert Keil, Mikael C. Rechtsman, Yonatan Plotnik, M. Segev, Julia M. Zeuner, Felix Dreisow, Alexander Szameit

Publikováno v: Quantum Science and Technology ISBN: 9783319520230

Simulating the evolution of a nonrelativistic quantum-mechanical particle in a periodic potential by propagating an optical wave packet in an array of evanescently coupled waveguides has received continuous and increasing attention in recent years. H

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7add843a7f0bb0b6d6ce04a5d4a453f5
https://doi.org/10.1007/978-3-319-52025-4_8

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On-chip generation of high-order single-photon W-states

Autor: Héctor M. Moya-Cessa, Matthias Heinrich, Demetrios N. Christodoulides, René Heilmann, Armando Perez-Leija, Robert Keil, Felix Dreisow, Stefan Nolte, Markus Gräfe, Alexander Szameit

Publikováno v: Nature Photonics. 8:791-795

Single-photon W-states — coherent superpositions of all qubits with equal probability amplitudes — involving up to 16 spatial modes are generated by means of evanescently-coupled waveguide technology. A scheme capable of exploiting the maximal en

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d23ff1081db34adbb4d9a116a36f549c
https://doi.org/10.1038/nphoton.2014.204

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Photonic Floquet topological insulators

Autor: Daniel K. Podolsky, Mordechai Segev, Mikael C. Rechtsman, Stefan Nolte, Felix Dreisow, Yonatan Plotnik, Alexander Szameit, Yaakov Lumer, Julia M. Zeuner

Publikováno v: Nature. 496:196-200

The topological insulator is a fundamentally new phase of matter, with the striking property that the conduction of electrons occurs only on its surface, not within the bulk, and that conduction is topologically protected. Topological protection, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91c3a38f0c6ef566c8776ae087003ce6
https://doi.org/10.1038/nature12066

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Analysis of the hole shape evolution in fs-pulse percussion drilling with bursts

Autor: Felix Dreisow, Andreas Tünnermann, Stefan Nolte, Helena Kämmer

Publikováno v: SPIE Proceedings.

We analyze the use of bursts of ultra-short pulses in order to improve drilling efficiency and quality. Silicon is used as a non-transparent model material, in which the behavior of laser percussion drilling with 1030 nm bursts consisting of 200 fs p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be228b1137bdc8f2fdabf23c28aad442
https://doi.org/10.1117/12.2212801

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Ablation of silicon with bursts of femtosecond laser pulses

Autor: Caterina Gaudiuso, Antonio Ancona, Felix Dreisow, Helena Kämmer, Stefan Nolte, Andreas Tünnermann

Publikováno v: Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XVI, San Francisco, 14-16 February 2016
info:cnr-pdr/source/autori:Gaudiuso, Caterina; Kämmer, Helena; Dreisow, Felix; Ancona, Antonio; Tünnermann, Andreas; Nolte, Stefan/congresso_nome:Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XVI/congresso_luogo:San Francisco/congresso_data:14-16 February 2016/anno:2016/pagina_da:/pagina_a:/intervallo_pagine

We report on an experimental investigation of ultrafast laser ablation of silicon with bursts of pulses. The pristine 1030nm-wavelength 200-fs pulses were split into bursts of up to 16 sub-pulses with time separation ranging from 0.5ps to 4080ps. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4be47ba692d5b3777ac8fdf75cfbb4ac
http://www.scopus.com/record/display.url?eid=2-s2.0-84978419632&origin=inward

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Drilling with ultrashort laser pulses at high repetition rates

Autor: Felix Dreisow, Jens König, Antonio Ancona, Stefan Nolte, Sven Döring

Publikováno v: Ultrashort Pulse Laser Technology, pp. 175–200, 2016
info:cnr-pdr/source/autori:Dreisow, Felix; Döring, Sven; Ancona, Antonio; König, Jens; Nolte, Stefan; Nolte, Stefan/titolo:Drilling with ultrashort laser pulses at high repetition rates/titolo_volume:Ultrashort Pulse Laser Technology/curatori_volume:/editore:/anno:2016
Springer Series in Optical Sciences ISBN: 9783319176581

Ultrashort laser pulses offer extraordinary precision in microprocessing a variety of materials, especially metals. Thermal and mechanical damage can be minimized by working at fluences not too far above the ablation threshold. However, this comes at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca2bb10c770e03fda0b3c06e7aa1c652

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