F
Fredrik Nordwall
Researcher at Tektronix
Publications - 9
Citations - 172
Fredrik Nordwall is an academic researcher from Tektronix. The author has contributed to research in topics: Phase noise & Spectral efficiency. The author has an hindex of 6, co-authored 9 publications receiving 135 citations.
Papers
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Journal ArticleDOI
100 GHz Externally Modulated Laser for Optical Interconnects
Oskars Ozolins,Xiaodan Pang,Miguel Iglesias Olmedo,Aditya Kakkar,Aleksejs Udalcovs,Simone Gaiarin,Jaime Rodrigo Navarro,Klaus M. Engenhardt,Tadeusz Asyngier,Richard Schatz,Jie Li,Fredrik Nordwall,Urban Westergren,Darko Zibar,Sergei Popov,Gunnar Jacobsen +15 more
TL;DR: In this article, a 116 Gb/s on-off keying (OOK), four PAM and 8 PAM optical transmitter using an InP-based integrated and packaged externally modulated laser for high-speed optical interconnects with up to 30dB static extinction ratio and over 100-GHz 3dB bandwidth with 2 dB ripple.
Journal ArticleDOI
Nonlinearity-aware 200 Gbit/s DMT transmission for C-band short-reach optical interconnects with a single packaged electro-absorption modulated laser
Lu Zhang,Xuezhi Hong,Xiaodan Pang,Oskars Ozolins,Aleksejs Udalcovs,Richard Schatz,Changjian Guo,Junwei Zhang,Fredrik Nordwall,Klaus M. Engenhardt,Urban Westergren,Sergei Popov,Gunnar Jacobsen,Shilin Xiao,Weisheng Hu,Jiajia Chen +15 more
TL;DR: The nonlinearity-aware digital signal processing algorithm for channel equalization is mathematically described, which improves the signal-to-noise ratio up to 3.5 dB.
Proceedings Article
100 GHz EML for High Speed Optical Interconnect Applications
Oskars Ozolins,Miguel Iglesias Olmedo,Xiaodan Pang,Simone Gaiarin,Aditya Kakkar,Aleksejs Udalcovs,Klaus M. Engenhardt,Tadeusz Asyngier,Richard Schatz,Jie Li,Fredrik Nordwall,Urban Westergren,Darko Zibar,Sergei Popov,Gunnar Jacobsen +14 more
TL;DR: In this article, a 116 Gbit/s OOK, 4PAM and 105 Gbps 8PAM optical transmitter using InP-based integrated EML for interconnect applications with up to 30 dB static extinction ratio and over 100 GHz 3...
Proceedings ArticleDOI
100 Gbaud 4PAM Link for High Speed Optical Interconnects
Oskars Ozolins,Xiaodan Pang,Aleksejs Udalcovs,Richard Schatz,Urban Westergren,Jaime Rodrigo Navarro,Aditya Kakkar,Fredrik Nordwall,Klaus M. Engenhardt,Jiajia Chen,Sergei Popov,Gunnar Jacobsen +11 more
TL;DR: This work demonstrates 100 Gbaud 4PAM transmission over 400 meters SMF with monolithically integrated 1550 nm DFB-TWEAM and evaluates its capabilities to enable two lanes 400 GbE client-side links for optical interconnects.
Journal ArticleDOI
50 GHz optical true time delay beamforming in hybrid optical/mm-wave access networks with multi-core optical fiber distribution
TL;DR: In the proposed approach, the most complex functions, including the beamforming network, are implemented in a central office, reducing the complexity and cost of remote antenna units.