Johannes Skaar

Professor - Teoretisk fysikk
Bilde av Johannes Skaar
English version of this page
Mobiltelefon 48497352
Rom Ø373
Brukernavn
Besøksadresse Sem Sælands vei 24 Fysikkbygningen 0371 OSLO
Postadresse Postboks 1048 Blindern 0316 OSLO

100% stilling ved Fysisk institutt, UiO. Tidligere NTNU.
Forskning: Fysikk: kvanteoptikk, elektromagnetisme, metamaterialer, fotonikk, kvanteinformasjon.
Undervisning: Våren 2020: FYS1001.

Emneord: lys, elektromagnetisme, elektromagnetiske bølger, metamaterialer, kvanteoptikk, kvantekryptering, kvanteinformasjon, kvantefysikk, fotonikk, fysikk i dagliglivet, matematikk i musikk.

Publikasjoner

  • Hågenvik, Hans Olaf & Skaar, Johannes (2019). Magnetic permeability in Fresnel’s equation. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  36(5), s 1386- 1395 . doi: 10.1364/JOSAB.36.001386
  • Skaar, Johannes (2019). Fresnel's equations in statics and quasistatics. European journal of physics.  ISSN 0143-0807.  40(4) . doi: 10.1088/1361-6404/ab166b
  • Skaar, Johannes; Hågenvik, Hans Olaf & Dirdal, Christopher Andrew (2019). Four definitions of magnetic permeability for periodic metamaterials. Physical review B (PRB).  ISSN 2469-9950.  99(6) . doi: 10.1103/PhysRevB.99.064407 Fulltekst i vitenarkiv. Vis sammendrag
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf; Haave, Haakon Aamodt & Skaar, Johannes (2018). Higher order multipoles in metamaterial homogenization. IEEE Transactions on Antennas and Propagation.  ISSN 0018-926X.  66(11), s 6403- 6407 . doi: 10.1109/TAP.2018.2863742 Fulltekst i vitenarkiv. Vis sammendrag
  • Dirdal, Christopher Andrew & Skaar, Johannes (2018). Diamagnetism and the dispersion of the magnetic permeability. European Physical Journal B : Condensed Matter Physics.  ISSN 1434-6028.  91(6) . doi: 10.1140/epjb/e2018-80515-1 Fulltekst i vitenarkiv.
  • Joshi, Siddarth Koduru; Pienaar, Jacques; Ralph, Timothy C.; Cacciapuoti, Luigi; McCutcheon, Will; Rarity, John; Giggenbach, Dirk; Lim, Jin Gyu; Makarov, Vadim; Fuentes, Ivette; Scheidl, Thomas; Beckert, Erik; Bourennane, Mohamed; Bruschi, David Edward; Cabello, Adán; Capmany, Jose; Carrasco-Casado, Alberto; Diamanti, Eleni; Dušek, Miloslav; Elser, Dominique; Gulinatti, Angelo; Hadfield, Robert H.; Jennewein, Thomas; Kaltenbaek, Rainer; Krainak, Michael A.; Lo, Hoi-Kwong; Marquardt, Christoph; Milburn, Gerard; Peev, Momtchil; Poppe, Andreas; Pruneri, Valerio; Renner, Renato; Salomon, Christophe; Skaar, Johannes; Solomos, Nikolaos; Stipčević, Mario; Torres, Juan P.; Toyoshima, Morio; Villoresi, Paolo; Walmsley, Ian; Weihs, Gregor; Weinfurter, Harald; Zeilinger, Anton; Żukowski, Marek & Ursin, Rupert (2018). Space QUEST mission proposal: experimentally testing decoherence due to gravity. New Journal of Physics.  ISSN 1367-2630.  20:063016(6), s 1- 22 . doi: 10.1088/1367-2630/aac58b
  • Hågenvik, Hans Olaf; Bløtekjær, Kjell & Skaar, Johannes (2017). Dielectric media considered as vacuum with sources. American Journal of Physics.  ISSN 0002-9505.  85(11), s 830- 833 . doi: 10.1119/1.5003810 Fulltekst i vitenarkiv.
  • Marøy, Øystein; Makarov, Vadim & Skaar, Johannes (2017). Secure detection in quantum key distribution by real-time calibration of receiver. Quantum Science and Technology.  ISSN 2058-9565.  2(4) . doi: https://doi.org/10.1088/2058-9565/aa83c9 Fulltekst i vitenarkiv.
  • Dirdal, Christopher Andrew; Bondevik, Tarjei & Skaar, Johannes (2015). Relaxed dispersion constraints and metamaterial effective parameters with physical meaning for all frequencies. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  91(13) . doi: 10.1103/PhysRevB.91.134102
  • Dirdal, Christopher Andrew & Skaar, Johannes (2015). Superposing Lorentzian resonance functions towards engineering target responses, In Said Zouhdi; Nikolay Zheludev & Jing Hua Teng (ed.),  Meta'14 Singapore Proceedings.  META conference.  ISBN 978-2-9545460-4-9.  Artikkel.  s 53 - 58
  • Hågenvik, Hans Olaf; Malema, Markus Edward & Skaar, Johannes (2015). Fourier theory of linear gain media. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  91(4) . doi: 10.1103/PhysRevA.91.043826
  • Hågenvik, Hans Olaf & Skaar, Johannes (2015). Fourier-Laplace analysis and instabilities of a gainy slab. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  32(9), s 1947- 1953 . doi: 10.1364/JOSAB.32.001947
  • Svendsen, Guro Kristin; Skaar, Johannes; Weman, Helge & Dupertuis, Marc-André (2015). Symmetries and optical transitions of hexagonal quantum dots in GaAs/AlGaAs nanowires. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  92(20) . doi: 10.1103/PhysRevB.92.205303
  • Bugge, Audun Nystad; Sauge, Sebastien; Ghazali, Aina Mardhiyah M.; Skaar, Johannes; Lydersen, Lars Vincent Van de Wiel & Makarov, Vadim (2014). Laser damage helps the eavesdropper in quantum cryptography. Physical Review Letters.  ISSN 0031-9007.  112(7:070503) . doi: 10.1103/PhysRevLett.112.070503
  • Liu, Qin; Lamas-Linares, Antia; Kurtsiefer, Christian; Skaar, Johannes; Makarov, Vadim & Gerhardt, Ilja (2014). A universal setup for active control of a single-photon detector. Review of Scientific Instruments.  ISSN 0034-6748.  85(1) . doi: 10.1063/1.4854615
  • Marøy, Øystein; Gudmundsen, Magne; Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2014). Error estimation, error correction and verification in quantum key distribution. IET Information Security.  ISSN 1751-8709.  8(5), s 277- 282 . doi: 10.1049/iet-ifs.2012.0333
  • Dirdal, Christopher Andrew & Skaar, Johannes (2013). Negative refraction in causal media by evaluating polar paths for rational functions. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  30(2), s 370- 376 . doi: 10.1364/JOSAB.30.000370
  • Dirdal, Christopher Andrew & Skaar, Johannes (2013). Superpositions of Lorentzians as the class of causal functions. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  88(3) . doi: 10.1103/PhysRevA.88.033834
  • Svendsen, Guro Kristin; Haakestad, Magnus Willum & Skaar, Johannes (2013). Reciprocity and the scattering matrix of waveguide modes. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  87(1) . doi: 10.1103/PhysRevA.87.013838
  • Skaar, Johannes & Haakestad, Magnus Willum (2012). Inverse scattering of dispersive stratified structures. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  29(9), s 2438- 2445 . doi: 10.1364/JOSAB.29.002438 Vis sammendrag
  • Svendsen, Guro Kristin; Weman, Helge & Skaar, Johannes (2012). Investigations of Bragg reflectors in nanowire lasers. Journal of Applied Physics.  ISSN 0021-8979.  111(12) . doi: 10.1063/1.4729529
  • Andresen, Marte Pernille Hatlo; Krogstad, Harald E & Skaar, Johannes (2011). Inverse scattering of two-dimensional photonic structures by layer stripping. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  28(4), s 689- 696
  • Gerhardt, Ilja; Liu, Qin; Lamas-linares, Antia; Skaar, Johannes; Kurtsiefer, Christian & Makarov, Vadim (2011). Full-field implementation of a perfect eavesdropper on a quantum cryptography system. Nature Communications.  ISSN 2041-1723.  2(349) . doi: 10.1038/ncomms1348 Fulltekst i vitenarkiv. Vis sammendrag
  • Gerhardt, Ilja; Liu, Qin; Lamas-linares, Antia; Skaar, Johannes; Scarani, Valerio; Makarov, Vadim & Kurtsiefer, Christian (2011). Experimentally faking the violation of Bell’s inequalities. Physical Review Letters.  ISSN 0031-9007.  107(170404) . doi: 10.1103/PhysRevLett.107.170404 Vis sammendrag
  • Grepstad, Jon Olav & Skaar, Johannes (2011). Does evanescent gain exist?, In W. Ross Stone (ed.),  Proceedings of the XXXth URSI General Assembly in Istanbul (August 2011).  IEEE conference proceedings.  ISBN 978-1-4244-5117-3.  Artikkel.
  • Grepstad, Jon Olav & Skaar, Johannes (2011). Total internal reflection and evanescent gain. Optics Express.  ISSN 1094-4087.  19(22), s 21404- 21418 . doi: 10.1364/OE.19.021404 Fulltekst i vitenarkiv.
  • Lydersen, Lars Vincent Van de Wiel; Akhlaghi, Mohsen K.; Majedi, A. Hamed; Skaar, Johannes & Makarov, Vadim (2011). Controlling a superconducting nanowire single-photon detector using tailored bright illumination. New Journal of Physics.  ISSN 1367-2630.  13 . doi: 10.1088/1367-2630/13/11/113042 Fulltekst i vitenarkiv.
  • Lydersen, Lars Vincent Van de Wiel; Jain, Nitin; Wittmann, Christoffer; Marøy, Øystein; Skaar, Johannes; Marquardt, Christoph; Makarov, Vadim & Leuchs, Gerd (2011). Superlinear threshold detectors in quantum cryptography. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  84 . doi: 10.1103/PhysRevA.84.032320
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). Secure gated detection scheme for quantum cryptography. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  83(3) . doi: 10.1103/PhysRevA.83.032306
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes & Makarov, Vadim (2011). Tailored bright illumination attack on distributed-phase-reference protocols. Journal of Modern Optics.  ISSN 0950-0340.  58(8), s 680- 685 . doi: 10.1080/09500340.2011.565889
  • Sauge, Sebastien; Lydersen, Lars Vincent Van de Wiel; Anisimov, Andrey; Skaar, Johannes & Makarov, Vadim (2011). Controlling an actively-quenched single photon detector with bright light. Optics Express.  ISSN 1094-4087.  19, s 23590- 23600 . doi: 10.1364/OE.19.023590 Fulltekst i vitenarkiv.
  • Svendsen, Guro Kristin; Weman, Helge & Skaar, Johannes (2011). Model for reflection and transmission matrices of nanowire end facets. Journal of Applied Physics.  ISSN 0021-8979.  109(10), s 103101 . doi: 10.1063/1.3583496
  • Wiechers, Carlos; Lydersen, Lars Vincent Van de Wiel; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes; Marquardt, Christoph; Makarov, Vadim & Leuchs, Gerd (2011). After-gate attack on a quantum cryptosystem. New Journal of Physics.  ISSN 1367-2630.  13 . doi: 10.1088/1367-2630/13/1/013043 Fulltekst i vitenarkiv.
  • Andresen, Marte Pernille Hatlo; Skaldebø, Aleksander Vatn; Haakestad, Magnus Willum; Krogstad, Harald E & Skaar, Johannes (2010). Effect of gain saturation in a gain compensated perfect lens. Journal of the Optical Society of America. B, Optical physics.  ISSN 0740-3224.  27(8), s 1610- 1616
  • Lydersen, Lars Van De Wiel & Skaar, Johannes (2010). SECURITY OF QUANTUM KEY DISTRIBUTION WITH BIT AND BASIS DEPENDENT DETECTOR FLAWS. Quantum information & computation.  ISSN 1533-7146.  10(1-2), s 60- 76
  • Lydersen, Lars Van De Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Hacking commercial quantum cryptography systems by tailored bright illumination. Nature Photonics.  ISSN 1749-4885.  4(10), s 686- 689 . doi: 10.1038/nphoton.2010.214 Vis sammendrag
  • Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Thermal blinding of gated detectors in quantum cryptography. Optics Express.  ISSN 1094-4087.  18(26), s 27938- 27954 . doi: 10.1364/OE.18.027938
  • Marøy, Øystein; Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2010). Security of quantum key distribution with arbitrary individual imperfections. Physical Review A. Atomic, Molecular, and Optical Physics (PRA).  ISSN 1050-2947.  82(3) . doi: 10.1103/PhysRevA.82.032337
  • Skaar, Johannes (2010). Causality and its implications for passive and active media, In  Electromagnetic Theory (EMTS), 2010 URSI International Symposium on, Berlin, 16-19 Aug 2010.  IEEE Press.  ISBN 978-1-4244-5154-8.  KAPITTEL.  s 29 - 32
  • Skaar, Johannes (2010). Fiber Bragg Gratings: Analysis and Synthesis Techniques, In Andrea Cusano; Antonello Cutolo & Jacques Albert (ed.),  Fiber Bragg Grating Sensors: Recent Advancements, Industrial Applications and Market Exploitation.  Bentham eBooks.  ISBN 978-1-60805-084-0.  Chapter 3.  s 35 - 52
  • Haakestad, Magnus Willum & Skaar, Johannes (2009). Slow and fast light in optical fibers using acoustooptic coupling between two co-propagating modes. Proceedings of SPIE, the International Society for Optical Engineering.  ISSN 0277-786X.  7226 . doi: 10.1117/12.807548
  • Haakestad, Magnus Willum & Skaar, Johannes (2009). Slow and fast light in optical fibers using acoustooptic coupling between two co-propagating modes. Optics Express.  ISSN 1094-4087.  17(1), s 346- 357
  • Lind-Johansen, Øyvind; Seip, Kristian & Skaar, Johannes (2009). The perfect lens on a finite bandwidth. Journal of Mathematical Physics.  ISSN 0022-2488.  50(1) . doi: 10.1063/1.3068751

Se alle arbeider i Cristin

  • Fedorov, Aleksey; Gerhardt, Ilja; Huang, Anqi; Jogenfors, Jonathan; Kurochkin, Yury; Lamas-Linares, Antia; Larsson, Jan-Åke; Leuchs, Gerd; Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2019). Comment on 'Inherent security of phase coding quantum key distribution systems against detector blinding attacks' (2018 Laser Phys. Lett. 15 095203). Laser Physics Letters.  ISSN 1612-2011.  16 . doi: 10.1088/1612-202X/aaf22d
  • Hågenvik, Hans Olaf & Skaar, Johannes (2019). Analysis of active and passive metamaterials.
  • Skaar, Johannes (2019). Musikk og matematikk.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf; Haave, Haakon Aamodt & Skaar, Johannes (2018). Higher order multipoles in metamaterial homogenization.
  • Skaar, Johannes (2018). Energi - uten en tråd.
  • Skaar, Johannes (2018). Fysikk og musikk.
  • Skaar, Johannes (2018). Matematikk i musikk.
  • Andersen, Elise Rønnevig; Bratberg, Øivind; Hellum, Mari Kjos; Hjelle, Ole Petter; Hussein, Bassam; Lie, Anne Helene Kveim; McNicol, John; Raklev, Are; Selboe, Tone; Skaar, Johannes & Stensaker, Inger G. (2017, 31. august). Landets beste forelesere svarer: Slik studerer du mest effektivt.  Aftenposten.
  • Klingenberg, Mathias & Skaar, Johannes (2017, 13. februar). 100 milliarder bilder i sekundet fanger lys som går raskere enn seg selv. [Fagblad].  Teknisk ukeblad.
  • Mauren, Arnfinn & Skaar, Johannes (2017, 01. januar). Magisk teknologi kan bety farvel til hacking. [Fagblad].  Aftenposten Vitenskap.
  • Opheim, Aagot & Skaar, Johannes (2017, 11. januar). Vil gi ære, status og høyere lønn til de beste underviserne.  Adresseavisen.
  • Sande, Anniken & Skaar, Johannes (2017, 27. januar). Her og nå: Dagens gjest. [Radio].  NRK P1.
  • Skaar, Johannes (2017). Musikkens fysikk.
  • Skaar, Johannes & Tollersrud, Emma (2017, 20. januar). Med lønnsøkning skal underviserne skinne.  Morgenbladet.
  • Stensvold, Tore & Skaar, Johannes (2017, 13. oktober). Norwegian Tech Awards 2017 - WÄRTSILÄ. De lader ferge med 1,2 megawatt effekt - uten fysisk kontakt med fartøyet. [Fagblad].  Teknisk ukeblad.
  • Sund, Steinar & Skaar, Johannes (2017, 27. september). Snart kan du lade med klærne. [Tidsskrift].  Aftenposten Vitenskap.
  • Sævik, Bjørnar Torvholm; Folven, Erik; Jahre, Magnus & Skaar, Johannes (2017, 24. februar). Ein æra er omm. [Internett].  nrk.no.
  • Bakken, Kjersti & Skaar, Johannes (2016, 20. september). Norgesglasset: "Lærer man egentlig noe av forelesninger, eller trenger studentene noe helt annet for å bli flinke?". [Radio].  NRK P1.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf & Skaar, Johannes (2016). Higher order terms and origin dependence in metamaterial homogenization.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf & Skaar, Johannes (2016). Permittivity, permeability, and the significance of the electrical quadrupole in metamaterials.
  • Hågenvik, Hans Olaf; Dirdal, Christopher Andrew & Skaar, Johannes (2016). Homogenization of metamaterials: comparison and analysis.
  • Indregard, Sigve & Skaar, Johannes (2016, 25. november). Til Mars med mikrobølgeovn.  Morgenbladet.
  • Kleiven, David; Skjønsfjell, Eirik Torbjørn Bakken; Zontone, Federico; Chushkin, Yuriy; Skaar, Johannes & Breiby, Dag Werner (2016). Experimental and Numerical Studies for Improved Coherent Diffraction Phase Retrieval.
  • Skaar, Johannes (2016). Kortforedrag om musikk og fysikk.
  • Skaar, Johannes (2016). Magneter, metallrør og usynlighetskapper.
  • Tollersrud, Emma & Skaar, Johannes (2016, 02. september). «Hvis vi ikke underviser, er det lett å ta elementære ting for gitt.».  Morgenbladet.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2015). Giving Freedom and Physical Meaning to the Effective Parameters of Metamaterials for all Frequencies.
  • Hågenvik, Hans Olaf & Skaar, Johannes (2015). Laplace-Fourier analysis and instabilities of an active slab.
  • Jegtvik, Karin & Skaar, Johannes (2015, 02. april). Er du vinneren av påskefjellet?. [Internett].  nrk.no.
  • Ramsdal, Roar & Skaar, Johannes (2015, 18. mars). Her sendes 10 kilowatt trådløst. [Internett].  Teknisk ukeblad.
  • Skaar, Johannes (2015). Hva er lys?.
  • Skaar, Johannes (2015). Maxwells teori og Hertz' eksperiment – grunnlaget for moderne telekommunikasjon ble skapt for 150 år siden.
  • Andreassen, Katrine; Skaar, Johannes; Løland, Anders & Rolén, Tage (2014, 11. februar). Finn ut om du er en sinke på ski. [Internett].  klikk.no.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2014). Hvor fort går du på ski?. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116.
  • Børringbo, Klaus & Skaar, Johannes (2014, 29. september). Trådløs strøm – snart er den her.  Aftenposten.
  • Dalløkken, Per Erlien; Skaar, Johannes & Samset, Bjørn Hallvard (2014, 01. juli). «Metamaterialer» skal beskytte piloter mot laserangrep fra bakken. [Internett].  Teknisk ukeblad.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2014). Metamaterial responses beyond the Kramers-Kronig relations.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2014). Superposing Lorentzian functions towards engineering target responses. The 5th International Conference on Metamaterials, Photonic Crystals and Plasmonics Book of Abstracts.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2014). Superposing Lorentzian functions towards engineering target responses.
  • Iversen, Marita Løvmo; Jansrud, Line & Skaar, Johannes (2014, 27. april). Går det an å gjøre noe usynlig? NRK Newton. [TV].  NRK 1.
  • Schirber, Michael; Bugge, Audun Nystad; Sauge, Sebastien; Ghazali, Aina; Skaar, Johannes; Lydersen, Lars Vincent Van de Wiel & Makarov, Vadim (2014, 18. februar). Synopsis: Cyberattack by Breaking and Entering. [Internett].  APS Physics.
  • Svendsen, Guro Kristin; Skaar, Johannes; Weman, Helge & Dupertuis, M.-A. (2014). Symmetries and optical transitions of hexagonal quantum dots in GaAs/AlGaAs nanowires.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2013, 12. desember). Hvor fort går du på ski?. [Internett].  forsking.no.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2013). Hvor fort går du på ski?. Gemini.  ISSN 0802-085X.  (2), s 6- 7
  • Flæten, Sigurd Øygarden & Skaar, Johannes (2013, 05. desember). Laser kan bli fremtidens spionkamera. [Internett].  Teknisk ukeblad.
  • Haugen, Vegard & Skaar, Johannes (2013). Døde av elektrosjokk med iPhone 5 i hånden. VG-Nett.
  • Haugen, Vegard & Skaar, Johannes (2013, 15. juli). Døde av elektrosjokk med iPhone 5 i hånden. [Internett].  amobil.no.
  • Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2013). Kvantekryptografi. Fra Fysikkens Verden.  ISSN 0015-9247.  75(1), s 10
  • Moe, Enok & Skaar, Johannes (2013). Rockheim forstyrrer flytrafikken på Værnes. Adresseavisen.  ISSN 0805-3804.
  • Skaar, Johannes; Løland, Anders; Rolén, Tage & Kokkegård, Hanne (2013, 26. desember). Vild med tal? Tæl dig frem til, om du er hurtigst. [Internett].  dr.dk.
  • Bugge, Audun Nystad; Sauge, Sebastien; Ghazali, Aina; Skaar, Johannes; Lydersen, Lars Vincent Van de Wiel & Makarov, Vadim (2012). Laser damage of photodiodes helps the eavesdropper.
  • Grepstad, Jon Olav; Kaspar, Peter; Johansen, Ib-Rune; Skaar, Johannes; Sudbø, Aasmund & Solgaard, Olav (2012). Optical detection of single biomolecules using photonic-crystal membranes.
  • Time, Jon Kåre & Skaar, Johannes (2012, 13. september). I bakvendtland der alt går an.  Morgenbladet.
  • Time, Jon Kåre & Skaar, Johannes (2012, 06. september). Trollmannen fra Tyrifjord.  Morgenbladet.
  • Christensen, Arnfinn & Skaar, Johannes (2011, 27. mai). Strøm uten støpsel. [Internett].  forskning.no.
  • Giæver, Ole Peder; Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 16. august). Norske forskere knekte koden. [Internett].  ABC nyheter.
  • Grepstad, Jon Olav; Due-Hansen, Jon; Johansen, Ib-Rune; Borch, Morten; Kaspar, Peter; Furuberg, Liv; Skaar, Johannes; Sudbø, Aasmund Sveinung & Solgaard, Olav (2011). Umiddelbar diagnose i 2020.
  • Grepstad, Jon Olav; Kaspar, Peter; Due-Hansen, Jon; Johansen, Ib-Rune; Borch, Morten; Furuberg, Liv; Skaar, Johannes; Sudbø, Aasmund Sveinung & Solgaard, Olav (2011). System for optical characterization of photonic crystal membranes - designed for biological sensing with single molecule sensitivity.
  • Grepstad, Jon Olav & Skaar, Johannes (2011). Does evanescent gain exist?.
  • Jemterud, Torkild & Skaar, Johannes (2011, 04. januar). Verdt å vite: Usynlighetskapper. [Radio].  NRK P2.
  • Lee, Chris; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011, 15. november). Researchers show how to break quantum cryptography by faking quantum entanglement. [Internett].  Ars Technica.
  • Liu, Qin; Gerhardt, Ilja; Makarov, Vadim; Skaar, Johannes; Lamas-linares, Antia; Scarani, Valerio & Kurtsiefer, Christian (2011). Implementation of an attack scheme on a practical QKD system.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 23. juni). Eavesdropper Steals Quantum Crypto Keys. [Internett].  InformationWeek.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 01. august). Eavesdropper demonstrates loophole in secure communications. [Internett].  Photonics Spectra.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 18. juni). First Exploit On Quantum Cryptography Confirmed. [Internett].  Slashdot.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 16. juni). Gjør kvantekryptografi enda sikrere. [Internett].  digi.no.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 19. juni). Hackers pioneros rompen criptosistema cuántico. [Internett].  ALT1040.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 17. juni). Hackers steal quantum code. [Internett].  Physics World.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 14. juni). Kryptografia kwantowa jest nie do złamania?. [Internett].  Gazeta.pl.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 20. juni). Quantum crypto felled by 'Perfect Eavesdropper' exploit. [Internett].  The Register.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 15. august). Scientists crack quantum cryptography. [Internett].  Computing.co.uk.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 13. august). Tricking the perfect code machine. [Internett].  BBC.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 20. juni). Взломана действующая система квантовой криптографии. [Internett].  Компьюлента.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011, 22. juni). Лазерная атака. [Internett].  Лента.Ру.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Eavesdropping on quantum cryptography using tailored bright light.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Å knekke den uknekkelige koden.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). Comment on "Resilience of gated avalanche photodiodes against bright illumination attacks in quantum cryptography" [Appl. Phys. Lett. 98, 231104 (2011)]. Applied Physics Letters.  ISSN 0003-6951.  99(19) . doi: 10.1063/1.3658806
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011, 08. februar). Hack Me If You Can.  Optics & Photonics Focus.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). SNSPD's in quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). Superconducting single photon detectors in quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Skaar, Johannes & Liu, Qin (2011). Hacking quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Skaar, Johannes & Marøy, Øystein (2011). Bright illumination attacks on QKD.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Skaar, Johannes & Marøy, Øystein (2011). Bright illumination attacks: distributed-phase-reference protocols and countermeasures.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Skaar, Johannes & Marøy, Øystein (2011). Superlinear threshold detectors in quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Skaar, Johannes & Marøy, Øystein (2011). Weak after-gate attack and proposed secure gated detection scheme.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes & Makarov, Vadim (2011). Practical security of quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes; Makarov, Vadim & Liu, Qin (2011). Quantum cryptography and quantum hacking.
  • Makarov, Vadim; Liu, Qin; Skaar, Johannes & Goodin, Dan (2011, 25. oktober). Uncrackable quantum crypto undermined by new attack. [Internett].  The Register.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2011). Cracking commercial quantum cryptography.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2011). Cracking commercial quantum cryptography.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin; Skaar, Johannes; Gerhardt, Ilja; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Lamas-Linares, Antia & Kurtsiefer, Christian (2011). Cracking commercial quantum cryptography.
  • Makarov, Vadim; Skaar, Johannes; Lydersen, Lars Vincent Van de Wiel; Knight, Helen & Liu, Qin (2011, 25. oktober). Quantum hackers: Cracking the uncrackable code. [Internett].  New Scientist. Vis sammendrag
  • Merali, Zeeya; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011, 25. november). Lasers illuminate quantum security loophole. [Internett].  Nature News.
  • Miller, Johanna; Makarov, Vadim; Kurtsiefer, Christian; Liu, Qin & Skaar, Johannes (2011, 01. desember). "Faked states" mimic quantum entanglement. [Internett].  Physics Today. Vis sammendrag
  • Scharf, Rainer; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011, 27. oktober). Quantenkryptographie: Bell-Ungleichung ausgetrickst. [Internett].  pro-physik.de.
  • Skaar, Johannes (2011). Elektromagnetisme.
  • Voss, David; Makarov, Vadim; Kurtsiefer, Christian; Liu, Qin & Skaar, Johannes (2011, 20. oktober). Synopsis: Eve Fools Alice and Bob. [Internett].  Physics.
  • Zyga, Lisa; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011, 08. november). Fake violations of Bell tests reinforce importance of closing loopholes. [Internett].  PhysOrg.com.
  • Fjelldal, Stian; Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010, 05. november). Hacker på statens regning.  VG.
  • Grepstad, Jon Olav; Johansen, Ib-Rune; Borch, Morten; Furuberg, Liv; Skaar, Johannes; Sudbø, Aasmund Sveinung & Solgaard, Olav (2010). Photonic crystal based biosensing platform for single molecule detection.
  • Jemterud, Torkild & Skaar, Johannes (2010, 16. desember). Verdt å vite: Illusjoner vha metamaterialer. [Radio].  NRK P2.
  • Lee, Chris; Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010, 13. desember). Quantum cryptography is secure... except when it's not. [Internett].  Ars Technica.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin; Marøy, Øystein & Skaar, Johannes (2010). QKD and Quantum Hacking.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2010). Breaking the Unbreakable Quantum Key Distribution.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2010). Breaking the Unbreakable Quantum Key Distribution.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2010). Kvantekryptografi og kvantehacking.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2010). Quantum Cryptography and Quantum Hacking.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2010). Eavesdropping using bright light.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes; Makarov, Vadim & Liu, Qin (2010). Breaking the Unbreakable Quantum Key Distribution.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes; Makarov, Vadim & Liu, Qin (2010). Practical quantum hacking.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes; Makarov, Vadim; Marøy, Øystein & Liu, Qin (2010). Quantum key distribution and quantum hacking.
  • Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Avoiding the blinding attack in QKD reply. Nature Photonics.  ISSN 1749-4885.  4(12), s 801- 801 . doi: 10.1038/nphoton.2010.278
  • Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Cracking commercial quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Hacking commercial quantum cryptography systems by tailored bright illumination.
  • Makarov, Vadim; Liu, Qin; Lydersen, Lars Van De Wiel; Marøy, Øystein & Skaar, Johannes (2010). Hacking quantum cryptography.
  • Makarov, Vadim; Lydersen, Lars Van De Wiel; Liu, Qin; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Gerhardt, Ilja; Sauge, Sebastien; Skaar, Johannes; Lamas-Linares, Antia & Kurtsiefer, Christian (2010). Perfect eavesdropping: 100% key, 0% QBER.
  • Makarov, Vadim; Lydersen, Lars Van De Wiel; Liu, Qin; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Gerhardt, Ilja; Sauge, Sebastien; Skaar, Johannes; Lamas-Linares, Antia & Kurtsiefer, Christian (2010). Perfect eavesdropping: 100% key, 0% QBER.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2010). How we cracked commercial quantum cryptography systems.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2010). How we cracked commercial quantum cryptography systems.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2010, 31. august). 挪威发现“无痕截获”量子通信的方法. [Internett].  新华网.
  • Simonsen, Eivind Sjøtun; Makarov, Vadim; Lydersen, Lars Van De Wiel & Skaar, Johannes (2010). Quantum key distribution system.
  • Skaar, Johannes (2010). Causality and its implications for passive and active media.
  • Skaar, Johannes (2010). Musikkens fysikk.
  • Skaar, Johannes (2010). TFE4120 Elektromagnetisme: Maxwells likninger.
  • Skaar, Johannes (2010). Vektoranalyse - TFE4120 Elektromagnetisme.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 30. august). Hackers Eavesdrop On Quantum Crypto With Lasers. [Internett].  slashdot.org.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 29. august). Hackers blind quantum cryptographers. [Internett].  nature.com/news.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 30. august). Hardware Hack Busts Quantum Encryption. [Internett].  International Business Times.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 01. september). Hardware hackers defeat quantum crypto. [Internett].  The Register.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 02. september). Knekte «hackersikker» kryptering. [Internett].  adressa.no.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 02. september). Knekte superkryptering. [Internett].  Elektronikknett.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 02. september). NTNU-forskere klarte å knekke superkryptering. [Internett].  Universitetsavisa.no.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 01. september). NTNU-forskere knekte superkryptering. [Internett].  Teknisk Ukeblad (tu.no).
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 08. september). Quantum Cryptography Breached With Lasers. [Internett].  Information Week.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 30. august). Quantum Hackers Use Lasers to Crack Powerful Encryption Without Leaving a Trace. [Internett].  Popsci.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 02. september). Quantum Hacking cracks quantum crypto. [Internett].  TechRepublic.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 01. september). Quantum crypto detectors cracked by researchers. [Internett].  ZDNet UK.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 10. september). Quantum crypto products cracked by researchers. [Internett].  Government Computer News.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 05. september). Quantum key distribution in superposition of "insecure" and "unneeded". [Internett].  ars technica.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 31. august). Quantum key security 'blinded' by new attack. [Internett].  techworld.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 31. august). Researchers Find Quantum Encryption Hack. [Internett].  eweek.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 31. august). Scientists uncover quantum encryption system weakness. [Internett].  PC pro.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010, 02. september). Successful Attack Against a Quantum Cryptography System. [Internett].  schneier.com.
  • Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010, 03. september). Lager hackemat av kryptering. [Internett].  forskning.no.
  • Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010, 08. september). Lager hackemat av kryptering.  Gemini.
  • Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010, 02. september). Schrödinger's cat and mouse. [Internett].  The Economist.
  • Svendsen, Guro Kristin; Weman, Helge & Skaar, Johannes (2010). Modelling of reflection properties of nanowire lasers.
  • Wiechers, Carlos; Lydersen, Lars Vincent Van de Wiel; Jain, Nitin; Wittmann, Christoffer; Elser, Dominique; Makarov, Vadim; Marquardt, Christoph; Lucio, Jose; Skaar, Johannes & Leuchs, Gerd (2010). Improving quantum key distribution systems by quantum hacking tests.
  • Marøy, Øystein; Skaar, Johannes & Lydersen, Lars Van De Wiel (2009). Security of Quantum Key Distribution with Imperfect Equipment.
  • Skaar, Johannes (2009). Kvantekryptografi, kvantehacking og sikkerhet.
  • Skaar, Johannes (2009). Quantum key distribution and quantum hacking.
  • Skaar, Johannes (2009). Quantum key distribution and quantum hacking.
  • Skaar, Johannes (2009, 19. januar). Slik fungerer "usynlighetsmaterialet".  vg.no.
  • Svendsen, Guro Kristin; Dupertuis, M.-A.; Weman, Helge & Skaar, Johannes (2009). Modeling of electronic and optical properties of heterostructured semiconductor nanowires.
  • Svendsen, Guro Kristin; Dupertuis, M.-A.; Weman, Helge & Skaar, Johannes (2009). Modeling of optical and electronic properties of semiconductor nanowires.
  • Lydersen, Lars Van De Wiel & Skaar, Johannes (2008). Detector efficiency mismatch in quantum cryptosystems.
  • Lydersen, Lars Van De Wiel & Skaar, Johannes (2008). Security of quantum key distribution with bit and basis dependent detector flaws.

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Publisert 3. sep. 2019 08:19 - Sist endret 3. sep. 2019 08:59

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