Juha Leppäkangas

Showing 9 publications

2018

Multiplying and detecting propagating microwave photons using inelastic Cooper-pair tunneling

Juha Leppäkangas, M. Marthaler, Dibyendu Hazra et al
Physical Review A. Vol. 97 (1)
Journal article
2016

Correlated Cooper pair transport and microwave photon emission in the dynamical Coulomb blockade

Juha Leppäkangas, Mikael Fogelström, M. Marthaler et al
Physical Review B: covering condensed matter and materials physics. Vol. 93, p. 014506-
Journal article
2015

Antibunched Photons from Inelastic Cooper-Pair Tunneling

Juha Leppäkangas, Mikael Fogelström, A. Grimm et al
Physical Review Letters. Vol. 115 (2)
Journal article
2014

Input-output description of microwave radiation in the dynamical Coulomb blockade

Juha Leppäkangas, Göran Johansson, M. Marthaler et al
New Journal of Physics. Vol. 16, p. Article nr. 015015-
Journal article
2014

Multistability and switching in a superconducting metamaterial

P. Jung, S. Butz, M. Marthaler et al
Nature Communications. Vol. 5
Journal article
2014

Correlated transport through junction arrays in the small Josephson energy limit: incoherent Cooper-pairs and hot electrons

Jared Cole, Juha Leppäkangas, M. Marthaler
New Journal of Physics. Vol. 16, p. 063019-
Journal article
2013

Effects of quasiparticle tunnelling in a circuit-QED realization of a strongly driven two-level system

Juha Leppäkangas, Sebastian Erik de Graaf, Astghik Adamyan et al
Journal of Physics B: Atomic, Molecular and Optical Physics. Vol. 46 (22), p. Art. no. 224019-
Journal article
2013

Nonclassical Photon Pair Production in a Voltage-Biased Josephson Junction

Juha Leppäkangas, Göran Johansson, M. Marthaler et al
Physical Review Letters. Vol. 110 (26), p. 267004-
Journal article
2013

Charge Qubit Coupled to an Intense Microwave Electromagnetic Field in a Superconducting Nb Device: Evidence for Photon-Assisted Quasiparticle Tunneling

Sebastian Erik de Graaf, Juha Leppäkangas, Astghik Adamyan et al
Physical Review Letters. Vol. 111 (13), p. Art. no. 137002-
Journal article

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