Johannes Skaar

Professor - Teoretisk fysikk
Bilde av Johannes Skaar
English version of this page
Telefon +47-22842221
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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