Johannes Skaar

Professor - Teoretisk fysikk
Bilde av Johannes Skaar
English version of this page
Mobiltelefon +47 48497352 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.

Liten lærebok (pdf): Johannes Skaar: Elektromagnetisme (2017). Tillegg: Kretsanalyse basert på elektromagnetisme (2017)

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

Publikasjoner

  • Gulla, Jan & Skaar, Johannes (2021). Approaching Single-Photon Pulses. Physical Review Letters. ISSN 0031-9007. 126(7). doi: 10.1103/PhysRevLett.126.073601.
  • Gulla, Jan & Skaar, Johannes (2021). Tunneling times of single photons. Journal of the Optical Society of America. B, Optical physics. ISSN 0740-3224. 38(11). doi: 10.1364/JOSAB.437386.
  • 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
  • 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; 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
  • 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
  • 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
  • Joshi, Siddarth Koduru; Pienaar, Jacques; Ralph, Timothy C.; Cacciapuoti, Luigi; McCutcheon, Will & Rarity, John [Vis alle 45 forfattere av denne artikkelen] (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
  • 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
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2015). Superposing Lorentzian resonance functions towards engineering target responses. I Zouhdi, Said; Zheludev, Nikolay & Teng, Jing Hua (Red.), Meta'14 Singapore Proceedings. META conference. ISSN 978-2-9545460-4-9. s. 53–58.
  • 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.
  • 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.
  • 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.
  • 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.
  • Lydersen, Lars Vincent Van de Wiel; Jain, Nitin; Wittmann, Christoffer; Marøy, Øystein; Skaar, Johannes & Marquardt, Christoph [Vis alle 8 forfattere av denne artikkelen] (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; 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.
  • 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). doi: 10.1063/1.3583496.
  • 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.
  • Wiechers, Carlos; Lydersen, Lars Vincent Van de Wiel; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Marquardt, Christoph [Vis alle 8 forfattere av denne artikkelen] (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
  • 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
  • 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
  • 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
  • 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
  • Gerhardt, Ilja; Liu, Qin; Lamas-linares, Antia; Skaar, Johannes; Scarani, Valerio & Makarov, Vadim [Vis alle 7 forfattere av denne artikkelen] (2011). Experimentally faking the violation of Bell’s inequalities. Physical Review Letters. ISSN 0031-9007. 107(170404). doi: 10.1103/PhysRevLett.107.170404.
  • Grepstad, Jon Olav & Skaar, Johannes (2011). Does evanescent gain exist? I Stone, W. Ross (Red.), Proceedings of the XXXth URSI General Assembly in Istanbul (August 2011). IEEE conference proceedings. ISSN 978-1-4244-5117-3. doi: 10.1109/ursigass.2011.6123712.
  • 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.
  • Skaar, Johannes (2010). Fiber Bragg Gratings: Analysis and Synthesis Techniques. I Cusano, Andrea; Cutolo, Antonello & Albert, Jacques (Red.), Fiber Bragg Grating Sensors: Recent Advancements, Industrial Applications and Market Exploitation. Bentham eBooks. ISSN 978-1-60805-084-0. s. 35–52.
  • Skaar, Johannes (2010). Causality and its implications for passive and active media, Electromagnetic Theory (EMTS), 2010 URSI International Symposium on, Berlin, 16-19 Aug 2010. IEEE Press. ISSN 978-1-4244-5154-8. s. 29–32.
  • 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.
  • 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.
  • 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.

Se alle arbeider i Cristin

  • Nilsen, Fabian Skalleberg & Skaar, Johannes (2020). Østlandssendingen - er det mulig å forsyne seg selv med strøm ved hjelp av spinningsykler og tredemøller? [Radio]. NRK P1.
  • Skaar, Johannes (2019). Musikk og matematikk.
  • Fedorov, Aleksey; Gerhardt, Ilja; Huang, Anqi; Jogenfors, Jonathan; Kurochkin, Yury & Lamas-Linares, Antia [Vis alle 11 forfattere av denne artikkelen] (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.
  • Jemterud, Torkild; Skaar, Johannes; Eidsvoll, David & Iqbal, Yasmin Sofia (2019). Abels tårn. [Radio]. NRK P2 .
  • Risan, Lars & Skaar, Johannes (2019). SENT-kveld på Teknisk museum: Foredrag om kvantedatamaskiner.
  • Skaar, Johannes (2019). Intervju av TV2 Nyhetskanalen, kl 0710, om kvantedatamaskiner. [TV]. TV2 Nyhetskanalen.
  • Skaar, Johannes (2018). Fysikk og musikk.
  • Skaar, Johannes (2018). Energi - uten en tråd.
  • Skaar, Johannes (2018). Matematikk i musikk.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf; Haave, Haakon Aamodt & Skaar, Johannes (2018). Higher order multipoles in metamaterial homogenization.
  • Opheim, Aagot & Skaar, Johannes (2017). Vil gi ære, status og høyere lønn til de beste underviserne. [Avis]. Adresseavisen.
  • Klingenberg, Mathias & Skaar, Johannes (2017). 100 milliarder bilder i sekundet fanger lys som går raskere enn seg selv. [Fagblad]. Teknisk ukeblad.
  • Sævik, Bjørnar Torvholm; Folven, Erik; Jahre, Magnus & Skaar, Johannes (2017). Ein æra er omm. [Internett]. nrk.no.
  • Skaar, Johannes & Tollersrud, Emma (2017). Med lønnsøkning skal underviserne skinne. [Avis]. Morgenbladet.
  • Sande, Anniken & Skaar, Johannes (2017). Her og nå: Dagens gjest. [Radio]. NRK P1.
  • Sund, Steinar & Skaar, Johannes (2017). Snart kan du lade med klærne. [Tidsskrift]. Aftenposten Vitenskap.
  • Skaar, Johannes (2017). Musikkens fysikk.
  • Andersen, Elise Rønnevig; Bratberg, Øivind; Hellum, Mari Kjos; Hjelle, Ole Petter; Hussein, Bassam & Lie, Anne Helene Kveim [Vis alle 11 forfattere av denne artikkelen] (2017). Landets beste forelesere svarer: Slik studerer du mest effektivt. [Avis]. Aftenposten.
  • Mauren, Arnfinn & Skaar, Johannes (2017). Magisk teknologi kan bety farvel til hacking. [Fagblad]. Aftenposten Vitenskap.
  • Stensvold, Tore & Skaar, Johannes (2017). Norwegian Tech Awards 2017 - WÄRTSILÄ. De lader ferge med 1,2 megawatt effekt - uten fysisk kontakt med fartøyet. [Fagblad]. Teknisk ukeblad.
  • Indregard, Sigve & Skaar, Johannes (2016). Til Mars med mikrobølgeovn. [Avis]. Morgenbladet.
  • Skaar, Johannes (2016). Magneter, metallrør og usynlighetskapper.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf & Skaar, Johannes (2016). Permittivity, permeability, and the significance of the electrical quadrupole in metamaterials.
  • Dirdal, Christopher Andrew; Hågenvik, Hans Olaf & Skaar, Johannes (2016). Higher order terms and origin dependence in metamaterial homogenization.
  • Hågenvik, Hans Olaf; Dirdal, Christopher Andrew & Skaar, Johannes (2016). Homogenization of metamaterials: comparison and analysis.
  • Skaar, Johannes (2016). Kortforedrag om musikk og fysikk.
  • Bakken, Kjersti & Skaar, Johannes (2016). Norgesglasset: "Lærer man egentlig noe av forelesninger, eller trenger studentene noe helt annet for å bli flinke?". [Radio]. NRK P1.
  • Tollersrud, Emma & Skaar, Johannes (2016). «Hvis vi ikke underviser, er det lett å ta elementære ting for gitt.». [Avis]. 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 (2015). Hva er lys?
  • Jegtvik, Karin & Skaar, Johannes (2015). Er du vinneren av påskefjellet? [Internett]. nrk.no.
  • Ramsdal, Roar & Skaar, Johannes (2015). Her sendes 10 kilowatt trådløst. [Internett]. Teknisk ukeblad.
  • Hågenvik, Hans Olaf & Skaar, Johannes (2015). Laplace-Fourier analysis and instabilities of an active slab.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2015). Giving Freedom and Physical Meaning to the Effective Parameters of Metamaterials for all Frequencies.
  • Skaar, Johannes (2015). Maxwells teori og Hertz' eksperiment – grunnlaget for moderne telekommunikasjon ble skapt for 150 år siden.
  • Schirber, Michael; Bugge, Audun Nystad; Sauge, Sebastien; Ghazali, Aina; Skaar, Johannes & Lydersen, Lars Vincent Van de Wiel [Vis alle 7 forfattere av denne artikkelen] (2014). Synopsis: Cyberattack by Breaking and Entering. [Internett]. APS Physics.
  • Andreassen, Katrine; Skaar, Johannes; Løland, Anders & Rolén, Tage (2014). Finn ut om du er en sinke på ski. [Internett]. klikk.no.
  • Svendsen, Guro Kristin; Skaar, Johannes; Weman, Helge & Dupertuis, M.-A. (2014). Symmetries and optical transitions of hexagonal quantum dots in GaAs/AlGaAs nanowires.
  • Iversen, Marita Løvmo; Jansrud, Line & Skaar, Johannes (2014). Går det an å gjøre noe usynlig? NRK Newton. [TV]. NRK 1.
  • Børringbo, Klaus & Skaar, Johannes (2014). Trådløs strøm – snart er den her. [Avis]. Aftenposten.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2014). Hvor fort går du på ski? Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
  • Dalløkken, Per Erlien; Skaar, Johannes & Samset, Bjørn Hallvard (2014). «Metamaterialer» skal beskytte piloter mot laserangrep fra bakken. [Internett]. Teknisk ukeblad.
  • 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). Metamaterial responses beyond the Kramers-Kronig relations.
  • Dirdal, Christopher Andrew & Skaar, Johannes (2014). Superposing Lorentzian functions towards engineering target responses.
  • Moe, Enok & Skaar, Johannes (2013). Rockheim forstyrrer flytrafikken på Værnes. Adresseavisen. ISSN 0805-3804.
  • Haugen, Vegard & Skaar, Johannes (2013). Døde av elektrosjokk med iPhone 5 i hånden. [Internett]. amobil.no.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2013). Hvor fort går du på ski? [Internett]. forsking.no.
  • Flæten, Sigurd Øygarden & Skaar, Johannes (2013). Laser kan bli fremtidens spionkamera. [Internett]. Teknisk ukeblad.
  • Brandslet, Steinar; Skaar, Johannes; Løland, Anders & Rolén, Tage (2013). Hvor fort går du på ski? Gemini. ISSN 0802-085X. s. 6–7.
  • Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2013). Kvantekryptografi. Fra Fysikkens Verden. ISSN 0015-9247. 75(1).
  • Skaar, Johannes; Løland, Anders; Rolén, Tage & Kokkegård, Hanne (2013). Vild med tal? Tæl dig frem til, om du er hurtigst. [Internett]. dr.dk.
  • Haugen, Vegard & Skaar, Johannes (2013). Døde av elektrosjokk med iPhone 5 i hånden. VG : Verdens gang. ISSN 0805-5203.
  • Time, Jon Kåre & Skaar, Johannes (2012). I bakvendtland der alt går an. [Avis]. Morgenbladet.
  • Time, Jon Kåre & Skaar, Johannes (2012). Trollmannen fra Tyrifjord. [Avis]. Morgenbladet.
  • 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.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2011). Cracking commercial 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.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2011). Cracking commercial quantum cryptography.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). Hack Me If You Can. [Avis]. Optics & Photonics Focus.
  • Jemterud, Torkild & Skaar, Johannes (2011). Verdt å vite: Usynlighetskapper. [Radio]. NRK P2.
  • 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; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Å knekke den uknekkelige koden.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). Superconducting single photon detectors in quantum cryptography.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Hackers pioneros rompen criptosistema cuántico. [Internett]. ALT1040.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Gjør kvantekryptografi enda sikrere. [Internett]. digi.no.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Kryptografia kwantowa jest nie do złamania? [Internett]. Gazeta.pl.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). First Exploit On Quantum Cryptography Confirmed. [Internett]. Slashdot.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Tricking the perfect code machine. [Internett]. BBC.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Hackers steal quantum code. [Internett]. Physics World.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Взломана действующая система квантовой криптографии. [Internett]. Компьюлента.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Лазерная атака. [Internett]. Лента.Ру.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Eavesdropper Steals Quantum Crypto Keys. [Internett]. InformationWeek.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Scientists crack quantum cryptography. [Internett]. Computing.co.uk.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Quantum crypto felled by 'Perfect Eavesdropper' exploit. [Internett]. The Register.
  • Giæver, Ole Peder; Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Norske forskere knekte koden. [Internett]. ABC nyheter.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Eavesdropping on quantum cryptography using tailored bright light.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin; Skaar, Johannes; Gerhardt, Ilja & Wiechers, Carlos [Vis alle 10 forfattere av denne artikkelen] (2011). Cracking commercial quantum cryptography.
  • Liu, Qin; Gerhardt, Ilja; Makarov, Vadim; Skaar, Johannes; Lamas-linares, Antia & Scarani, Valerio [Vis alle 7 forfattere av denne artikkelen] (2011). Implementation of an attack scheme on a practical QKD system.
  • Christensen, Arnfinn & Skaar, Johannes (2011). Strøm uten støpsel. [Internett]. forskning.no.
  • 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). Superlinear threshold detectors in quantum cryptography.
  • 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.
  • Makarov, Vadim; Liu, Qin; Skaar, Johannes & Goodin, Dan (2011). Uncrackable quantum crypto undermined by new attack. [Internett]. The Register.
  • Miller, Johanna; Makarov, Vadim; Kurtsiefer, Christian; Liu, Qin & Skaar, Johannes (2011). "Faked states" mimic quantum entanglement. [Internett]. Physics Today.
  • Lee, Chris; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Researchers show how to break quantum cryptography by faking quantum entanglement. [Internett]. Ars Technica.
  • Merali, Zeeya; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Lasers illuminate quantum security loophole. [Internett]. Nature News.
  • Makarov, Vadim; Skaar, Johannes; Lydersen, Lars Vincent Van de Wiel; Knight, Helen & Liu, Qin (2011). Quantum hackers: Cracking the uncrackable code. [Internett]. New Scientist.
  • Voss, David; Makarov, Vadim; Kurtsiefer, Christian; Liu, Qin & Skaar, Johannes (2011). Synopsis: Eve Fools Alice and Bob. [Internett]. Physics.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes; Makarov, Vadim & Liu, Qin (2011). Quantum cryptography and quantum hacking.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2011). SNSPD's in quantum cryptography.
  • Zyga, Lisa; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Fake violations of Bell tests reinforce importance of closing loopholes. [Internett]. PhysOrg.com.
  • Scharf, Rainer; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2011). Quantenkryptographie: Bell-Ungleichung ausgetrickst. [Internett]. pro-physik.de.
  • Liu, Qin; Makarov, Vadim & Skaar, Johannes (2011). Eavesdropper demonstrates loophole in secure communications. [Internett]. Photonics Spectra.
  • Grepstad, Jon Olav & Skaar, Johannes (2011). Does evanescent gain exist?
  • Grepstad, Jon Olav; Kaspar, Peter; Due-Hansen, Jon; Johansen, Ib-Rune; Borch, Morten & Furuberg, Liv [Vis alle 9 forfattere av denne artikkelen] (2011). System for optical characterization of photonic crystal membranes - designed for biological sensing with single molecule sensitivity.
  • Grepstad, Jon Olav; Due-Hansen, Jon; Johansen, Ib-Rune; Borch, Morten; Kaspar, Peter & Furuberg, Liv [Vis alle 9 forfattere av denne artikkelen] (2011). Umiddelbar diagnose i 2020.
  • Makarov, Vadim; Liu, Qin; Lydersen, Lars Van De Wiel; Marøy, Øystein & Skaar, Johannes (2010). Hacking quantum cryptography.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Researchers Find Quantum Encryption Hack. [Internett]. eweek.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum key security 'blinded' by new attack. [Internett]. techworld.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Knekte superkryptering. [Internett]. Elektronikknett.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Hardware hackers defeat quantum crypto. [Internett]. The Register.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Knekte «hackersikker» kryptering. [Internett]. adressa.no.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). NTNU-forskere klarte å knekke superkryptering. [Internett]. Universitetsavisa.no.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum Hacking cracks quantum crypto. [Internett]. TechRepublic.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum crypto detectors cracked by researchers. [Internett]. ZDNet UK.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Hardware Hack Busts Quantum Encryption. [Internett]. International Business Times.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Hackers Eavesdrop On Quantum Crypto With Lasers. [Internett]. slashdot.org.
  • Skaar, Johannes (2010). Causality and its implications for passive and active media.
  • Makarov, Vadim; Lydersen, Lars Van De Wiel; Liu, Qin; Wiechers, Carlos; Wittmann, Christoffer & Elser, Dominique [Vis alle 11 forfattere av denne artikkelen] (2010). Perfect eavesdropping: 100% key, 0% QBER.
  • Makarov, Vadim; Lydersen, Lars Van De Wiel; Liu, Qin; Wiechers, Carlos; Wittmann, Christoffer & Elser, Dominique [Vis alle 11 forfattere av denne artikkelen] (2010). Perfect eavesdropping: 100% key, 0% QBER.
  • Simonsen, Eivind Sjøtun; Makarov, Vadim; Lydersen, Lars Van De Wiel & Skaar, Johannes (2010). Quantum key distribution system.
  • Svendsen, Guro Kristin; Weman, Helge & Skaar, Johannes (2010). Modelling of reflection properties of nanowire lasers.
  • 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; Makarov, Vadim; Liu, Qin & Skaar, Johannes (2010). Breaking the Unbreakable Quantum Key Distribution.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum Cryptography Breached With Lasers. [Internett]. Information Week.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). NTNU-forskere knekte superkryptering. [Internett]. Teknisk Ukeblad (tu.no).
  • Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010). Lager hackemat av kryptering. [Internett]. forskning.no.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Scientists uncover quantum encryption system weakness. [Internett]. PC pro.
  • Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010). Schrödinger's cat and mouse. [Internett]. The Economist.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Successful Attack Against a Quantum Cryptography System. [Internett]. schneier.com.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Hackers blind quantum cryptographers. [Internett]. nature.com/news.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). 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 & Liu, Qin (2010). Lager hackemat av kryptering. [Avis]. Gemini.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum crypto products cracked by researchers. [Internett]. Government Computer News.
  • Skaar, Johannes; Makarov, Vadim & Lydersen, Lars Vincent Van de Wiel (2010). Quantum key distribution in superposition of "insecure" and "unneeded". [Internett]. ars technica.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2010). How we cracked commercial quantum cryptography systems.
  • Jemterud, Torkild & Skaar, Johannes (2010). Verdt å vite: Illusjoner vha metamaterialer. [Radio]. NRK P2.
  • Lydersen, Lars Vincent Van de Wiel; Makarov, Vadim & Skaar, Johannes (2010). Eavesdropping using bright light.
  • 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; Marøy, Øystein & Skaar, Johannes (2010). QKD and Quantum Hacking.
  • Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel; Liu, Qin & Skaar, Johannes (2010). How we cracked commercial quantum cryptography systems.
  • Fjelldal, Stian; Skaar, Johannes; Makarov, Vadim; Lydersen, Lars Vincent Van de Wiel & Liu, Qin (2010). Hacker på statens regning. [Avis]. VG.
  • Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique; Skaar, Johannes & Makarov, Vadim (2010). Cracking commercial quantum cryptography.
  • Wiechers, Carlos; Lydersen, Lars Vincent Van de Wiel; Jain, Nitin; Wittmann, Christoffer; Elser, Dominique & Makarov, Vadim [Vis alle 10 forfattere av denne artikkelen] (2010). Improving quantum key distribution systems by quantum hacking tests.
  • Lee, Chris; Lydersen, Lars Vincent Van de Wiel; Wiechers, Carlos; Wittmann, Christoffer; Elser, Dominique & Skaar, Johannes [Vis alle 7 forfattere av denne artikkelen] (2010). Quantum cryptography is secure... except when it's not. [Internett]. Ars Technica.
  • 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). Quantum Cryptography and Quantum Hacking.
  • 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; Lydersen, Lars Vincent Van de Wiel & Skaar, Johannes (2010). 挪威发现“无痕截获”量子通信的方法. [Internett]. 新华网.
  • 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.
  • Grepstad, Jon Olav; Johansen, Ib-Rune; Borch, Morten; Furuberg, Liv; Skaar, Johannes & Sudbø, Aasmund Sveinung [Vis alle 7 forfattere av denne artikkelen] (2010). Photonic crystal based biosensing platform for single molecule detection.
  • Skaar, Johannes (2009). Slik fungerer "usynlighetsmaterialet". [Avis]. vg.no.
  • Marøy, Øystein; Skaar, Johannes & Lydersen, Lars Van De Wiel (2009). Security of Quantum Key Distribution with Imperfect Equipment.
  • Skaar, Johannes (2009). Quantum key distribution and quantum hacking.
  • Skaar, Johannes (2009). Quantum key distribution and quantum hacking.
  • Skaar, Johannes (2009). Kvantekryptografi, kvantehacking og sikkerhet.
  • Hågenvik, Hans Olaf & Skaar, Johannes (2019). Analysis of active and passive metamaterials. NTNU Grafisk senter. ISSN 978-82-326-3915-1.
  • Skaar, Johannes (2011). Elektromagnetisme. Tapir Akademisk Forlag.
  • Lydersen, Lars Vincent Van de Wiel; Skaar, Johannes & Makarov, Vadim (2011). Practical security of quantum cryptography. Tapir Akademisk Forlag. ISSN 978-82-471-3012-4.
  • Skaar, Johannes (2010). Vektoranalyse - TFE4120 Elektromagnetisme. Institutt for elektronikk og telekommunikasjon, NTNU.
  • Skaar, Johannes (2010). Musikkens fysikk. Institutt for elektronikk og telekommunikasjon, NTNU.
  • Skaar, Johannes (2010). TFE4120 Elektromagnetisme: Maxwells likninger. Institutt for elektronikk og telekommunikasjon, NTNU.

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Publisert 3. sep. 2019 08:19 - Sist endret 22. sep. 2021 18:59

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