Alexander Szameit

from Wikipedia, the free encyclopedia

Alexander Szameit (born January 10, 1979 in Halle (Saale) ) is a German physicist who deals with experimental solid-state optics.

biography

After graduating from high school in Halle (1997), Szameit studied physics at the Martin Luther University Halle-Wittenberg and from 2000 at the University of Jena with a diploma in 2004. In 2002 he was at the Institute for Astronomy in Hilo, Hawaii. After graduation, he was a researcher at the LightTrans GmbH in Jena and in 2007 in Jena with summa cum laude for Dr. rer. nat. PhD (PhD grant from Jenoptik). In 2007 he was visiting scholar at the Australian National University . As a post-doctoral student , he was at the Technion in Haifa from 2009 .

Alexander Szameit was appointed junior professor in Jena in 2011, where he dealt with diamond and carbon-based optical systems. He completed his habilitation there in 2015 with a thesis on "Dirac dynamics in photonic waveguide gratings" and in 2016 became W3 Professor for Experimental Physics at the University of Rostock . There he heads the working group for "Experimental Solid State Optics".

In 2009 he received the PhD award from the German Physical Society and in 2015 the Rudolf Kaiser Award for Experimental Physics. In 2014 he received the Adolph Lomb Medal from the Optical Society of America . In 2017 he received the Alfried Krupp Prize for Young University Lecturers . In 2020 he was awarded the “Tomassoni Prize” of the Sapienza University of Rome , especially for basic research on optical quantum computers .

research

He experiments with photonic waveguide gratings, with which, among other things, he realized topological isolators in photonics and is thus one of the pioneers of topological photonics. Topological insulators were first realized for electrons in solid-state physics, Szameit transferred this to photons, which can thus be transmitted in spirally twisted, lattice-shaped optical waveguides in a glass chip (inscribed with lasers) without backscattering even around corners and edges. He is generally concerned with integrated quantum optics and technology for optical quantum computers. He also dealt with experimental boson sampling for quantum computers and sub-wavelength microscopy.

With special optical waveguides, he also pursues the emulation of relativistic effects (such as phenomena in the Dirac equation , including trembling movement , pair generation and also unphysical phenomena such as charged Majorana fermions ). He also constructed complex optical wave fields in free space like a quantum random walk . He also developed applications of supersymmetry in optics and other as yet unconfirmed phenomena such as non-Hermitian quantum mechanics (PT symmetric, parity time symmetric), the continuation of the Hermitian case of the usual quantum mechanics on the full complex case.

Publications (selection)

  • with MC Rechtsman, JM Zeuner, Y. Plotnik, Y. Lumer, D. Podolsky, F. Dreisow, S. Nolte, M. Segev: Photonic Floquet Topological Insulators, Nature, Volume 496, 2013, pp. 196-200, abstract
  • with MC Rechtsman, JM Zeuner, A. Tünnermann, S. Nolte, M. Segev: Strain-induced pseudo-magnetic field and Landau levels in photonic structures, Nature Photonics, Volume 7, 2013, pp. 153-158
  • with T. Eichelkraut, R. Heilmann, S. Weimann, S. Stützer, F. Dreisow, DN Christodoulides, S. Nolte: Mobility transition from ballistic to diffusive transport in non-Hermitian lattices , Nature Communications, Volume 4, 2013, p 2533
  • with M. Gräfe, R. Heilmann, A. Perez-Leija, R. Keil, F. Dreisow, M. Heinrich, H. Moya-Cessa, S. Nolte, DN Christodoulides: On-Chip Generation of High-Order Single- Photon W-States, Nature Photonics, Volume 8, 2014, pp. 791-795
  • with S. Weimann, M. Kremer, Y. Plotnik, Y. Lumer, S. Nolte, KG Makris, M. Segev, MC Rechtsman: Topologically protected bound states in photonic PT -symmetric crystals, Nature Materials, Volume 16, 2017, Pp. 433-438
  • with T. Richardt, M. Heinrich, M. Gräfe: Possible Link between the Distribution of Atomic Spectral Lines and the Radiation – Matter ‐ Equilibrium in the Early Universe, Annalen der Physik, April 29, 2020

Web links

Individual evidence

  1. ^ Profile of Alexander Szameit on the website of the Friedrich Schiller University Jena
  2. ↑ Alexander Szameit receives Alfried Krupp Prize for Young University Teachers 2017. Accessed April 30, 2020 (German).
  3. ↑ Alexander Szameit receives Alfried Krupp Prize for Young University Teachers 2017. Accessed April 30, 2020 (German).
  4. ^ Rudolf Kaiser Prize for Szameit , German Foundation Center
  5. ↑ Krupp Förderpreis für Szameit ( Memento of the original from February 13, 2018 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , University of Rostock 2017 @1@ 2Template: Webachiv / IABot / www.uni-rostock.de
  6. ↑ Rostock physicist receives the renowned Tomassoni Prize. Retrieved February 9, 2020 .
  7. ↑ Szameit, Tillmann, Walther a. a .: Experimental boson sampling, Nature Photonics, Volume 7, 2013, pp. 540-544
  8. ↑ Keil, Szameit et al. a., Optical simulation of charge conservation violation and Majorana dynamics, Optica, Volume 2, 2015, pp. 454-459, abstract
  9. ↑ Eichelkraut, Szameit u. a., Coherent random walks in free space, Optica, Volume 1, 2014, p. 268, abstract
  10. ↑ Christodoulides, Heinrich, Szameit a. a., Supersymmetric mode converters, Nature Communications, Volume 5, 2014, abstract
  11. ↑ For example Eichelkraut, Szameit u. a .: Mobility transition from ballistic to diffusive transport in non-Hermitian lattices, Nature Communications, Volume 4, 2013, abstract
personal data
SURNAME Szameit, Alexander
BRIEF DESCRIPTION German physicist
DATE OF BIRTH January 10, 1979
PLACE OF BIRTH Halle (Saale)