Johannes Høydahl Jensen
About
I'm a PhD candidate at the Computer Architecture and Design (CARD) where my supervisor is Gunnar Tufte. My field of research is unconventional computation, and my main focus is on computation in physical substrates.
Research
Unconventional computation breaks with the silicon-based computer to explore radically different ways of doing information processing. My research builds on the intuition that information processing in nature (such as in our brain) is an inherently physical process. Through evolution, nature has designed highly efficient information processing units that vastly outperform anything built by humans. One view of computation in nature is that of a computational substrate whose physical properties are exploited for information processing.
My research views physical materials as computational substrates and seek to find ways to exploit its properties for computation. Of particular interest are self-organized nanomaterials with a wide range of dynamical properties. Such a "material computer" has the potential to be highly efficient since the computation happens in the rich physical domain.
Keywords: Reservoir Computing, Material Computiation, Dynamical Systems, Evolution-in-materio, Self-organized systems, bottom-up design
Publications
2022
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Jensen, Johannes Høydahl;
Strømberg, Anders;
Lykkebø, Odd Rune Strømmen;
Penty, Arthur George;
Lealiaert, Jonathan;
Själander, Magnus;
Folven, Erik;
Tufte, Gunnar.
(2022)
Flatspin: A large-scale artificial spin ice simulator.
Physical review B (PRB).
volum 106 (6).
Academic article
2020
-
Jensen, Johannes Høydahl;
Strømberg, Anders;
Lykkebø, Odd Rune Strømmen;
Penty, Arthur George;
Själander, Magnus;
Folven, Erik;
Tufte, Gunnar.
(2020)
flatspin: A Large-Scale Artificial Spin Ice Simulator.
arXiv.org.
Academic article
-
Jensen, Johannes Høydahl;
Tufte, Gunnar.
(2020)
Reservoir Computing in Artificial Spin Ice.
ALIFE : Proceedings of the Artificial Life Conference.
Academic article
2018
-
Jensen, Johannes Høydahl;
Folven, Erik;
Tufte, Gunnar.
(2018)
Computation in artificial spin ice.
The 2018 Conference on Artificial Life.
Academic chapter/article
2017
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Jensen, Johannes;
Tufte, Gunnar.
(2017)
Reservoir Computing with a Chaotic Circuit.
Proceedings of the European Conference on Artificial Life 2017.
Academic chapter/article
2016
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Nichele, Stefano;
Jensen, Johannes Høydahl;
Laketic, Dragana;
Lykkebø, Odd Rune Strømmen;
Tufte, Gunnar.
(2016)
Dynamics in Carbon Nanotubes for In-Materio Computation.
International Journal On Advances in Systems and Measurements.
volum 9 (1, 2).
Academic article
Scientific articles
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Jensen, Johannes Høydahl;
Strømberg, Anders;
Lykkebø, Odd Rune Strømmen;
Penty, Arthur George;
Lealiaert, Jonathan;
Själander, Magnus;
Folven, Erik;
Tufte, Gunnar.
(2022)
Flatspin: A large-scale artificial spin ice simulator.
Physical review B (PRB).
volum 106 (6).
Academic article
-
Jensen, Johannes Høydahl;
Strømberg, Anders;
Lykkebø, Odd Rune Strømmen;
Penty, Arthur George;
Själander, Magnus;
Folven, Erik;
Tufte, Gunnar.
(2020)
flatspin: A Large-Scale Artificial Spin Ice Simulator.
arXiv.org.
Academic article
-
Jensen, Johannes Høydahl;
Tufte, Gunnar.
(2020)
Reservoir Computing in Artificial Spin Ice.
ALIFE : Proceedings of the Artificial Life Conference.
Academic article
-
Nichele, Stefano;
Jensen, Johannes Høydahl;
Laketic, Dragana;
Lykkebø, Odd Rune Strømmen;
Tufte, Gunnar.
(2016)
Dynamics in Carbon Nanotubes for In-Materio Computation.
International Journal On Advances in Systems and Measurements.
volum 9 (1, 2).
Academic article
Part of book/report
-
Jensen, Johannes Høydahl;
Folven, Erik;
Tufte, Gunnar.
(2018)
Computation in artificial spin ice.
The 2018 Conference on Artificial Life.
Academic chapter/article
-
Jensen, Johannes;
Tufte, Gunnar.
(2017)
Reservoir Computing with a Chaotic Circuit.
Proceedings of the European Conference on Artificial Life 2017.
Academic chapter/article
Media
2021
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Academic lectureJensen, Johannes Høydahl. (2021) Emergent magnetic computation. IDI PhD seminar . IDI; Trondheim. 2019-10-02 - 2019-10-02.
2020
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Academic lectureJensen, Johannes Høydahl; Strømberg, Anders; Lykkebø, Odd Rune Strømmen; Penty, Arthur George; Själander, Magnus; Folven, Erik; Tufte, Gunnar. (2020) Introducing flatspin. Enabling Large Scale Dynamical Artificial Spin Ice Simulations. Magnetism and Magnetic Materials 2020 ; 2020-11-02 - 2020-11-06.
2019
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Academic lectureLykkebø, Odd Rune Strømmen; Jensen, Johannes Høydahl; Penty, Arthur George; Strømberg, Anders; Själander, Magnus; Folven, Erik; Tufte, Gunnar. (2019) Emergent computation on a magnetic lattice. First International Workshop on Theoretical and Experimental Material Computing (TEMC 2019) . Susan Stepney; Tokyo. 2019-06-03 - 2019-06-03.
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Academic lectureStrømberg, Anders; Digernes, Einar; Jensen, Johannes Høydahl; Tufte, Gunnar; Grepstad, Jostein; Folven, Erik. (2019) Co-existing Ferromagnetic-Antiferromagnetic Order in a Magnetic Metamaterial. Norwegian NanoSymposium 2019 . NTNU Nano; Trondheim. 2019-10-16 - 2019-10-17.
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Academic lectureStrømberg, Anders; Digernes, Einar; Slöetjes, Samuel Dingeman; Jensen, Johannes Høydahl; Tufte, Gunnar; Grepstad, Jostein; Folven, Erik. (2019) Magnetic Force Microscopy of Intermediate Angle Pinwheel Artificial Spin Ice. Joint European Magnetic Symposia 2019 . The European Magnetism Association; Uppsala. 2019-08-26 - 2019-08-30.
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Academic lectureStrømberg, Anders; Jensen, Johannes Høydahl; Tufte, Gunnar; Folven, Erik. (2019) Long-Range Order in Tightly Packed Pinwheel Artificial Spin Ice. NanoNetwork 2019 . Norwegian NanoNetwork; Tromsø. 2019-06-17 - 2019-06-19.
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PosterStrømberg, Anders; Penty, Arthur George; Jensen, Johannes Høydahl; Lykkebø, Odd Rune Strømmen; Själander, Magnus; Tufte, Gunnar; Folven, Erik. (2019) Unconventional Computing with Artificial Spin Ice. Frontiers in Artificial Spin Ice . Paul Scherrer Institut; Bad Zurzach. 2019-02-06 - 2019-02-08.
2018
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Academic lectureStrømberg, Anders; Jensen, Johannes Høydahl; Digernes, Einar; Tufte, Gunnar; Folven, Erik. (2018) Unconventional Computing with Artificial Spin Ice. NTNU Nano Symposium 2018 . NTNU Nano; NTNU Akrinn. 2018-11-28 - 2018-11-29.