[1
]ISNI 0000 0001 0775 6028, GRID grid.5371.0, Department of Microtechnology and Nanoscience, , Chalmers University of Technology, ; SE-412 96 Gothenburg, Sweden
[2
]ISNI 0000000110107715, GRID grid.6988.f, Thomas Johann Seebeck Department of Electronics, , Tallinn University of Technology, ; 19086 Tallinn, Estonia
[3
]Nokia Bell Labs, 791 Holmdel Road, Holmdel, NJ 07733 USA
License:
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License,
which permits use, sharing, adaptation, distribution and reproduction in any medium
or format, as long as you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons license, and indicate if changes were
made. The images or other third party material in this article are included in the
article’s Creative Commons license, unless indicated otherwise in a credit line to
the material. If material is not included in the article’s Creative Commons license
and your intended use is not permitted by statutory regulation or exceeds the permitted
use, you will need to obtain permission directly from the copyright holder. To view
a copy of this license, visit
http://creativecommons.org/licenses/by/4.0/.