Johannes Skaar
Professor
-
Teoretisk fysikk

English version of this page
E-post
johannes.skaar@fys.uio.no
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
- Høsten 2020: FYS3110 Kvantemekanikk.
- Våren 2021: FYS1001 Innføring i fysikk.
Kompendium i elektromagnetisme
Publikasjoner
- Gulla, Jan & Skaar, Johannes (2021). Approaching Single-Photon Pulses. Physical Review Letters. ISSN 0031-9007. 126(7), s 073601 . doi: 10.1103/PhysRevLett.126.073601 Vis sammendrag
- 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 Fulltekst i vitenarkiv.
- 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 Fulltekst i vitenarkiv.
- 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 Fulltekst i vitenarkiv.
- Hågenvik, Hans Olaf; Bløtekjær, Kjell & Skaar, Johannes (2017). Dielectric media considered as vacuum with sources. American Journal of Physics (AJP). 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: 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 . doi: 10.1364/josab.28.000689
- 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
- Nilsen, Fabian Skalleberg & Skaar, Johannes (2020, 24. februar). Østlandssendingen - er det mulig å forsyne seg selv med strøm ved hjelp av spinningsykler og tredemøller?. [Radio]. NRK P1.
- 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.
- Jemterud, Torkild; Skaar, Johannes; Eidsvoll, David & Iqbal, Yasmin Sofia (2019, 01. november). Abels tårn. [Radio]. NRK P2.
- Risan, Lars & Skaar, Johannes (2019). SENT-kveld på Teknisk museum: Foredrag om kvantedatamaskiner.
- Skaar, Johannes (2019, 28. oktober). Intervju av TV2 Nyhetskanalen, kl 0710, om kvantedatamaskiner. [TV]. TV2 Nyhetskanalen.
- 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.
Publisert 3. sep. 2019 08:19
- Sist endret 3. des. 2020 14:56