Optical Communications Unequal bit error probability in coherent QPSK fiber-optic systems using phase modulator based transmitters. - Hongxia Zhao; Erik Agrell; Magnus Karlsson 001 (Eur. Trans. Telecommun., 2008)

Optical Communications Intersymbol interference in DQPSK fibre-optic systems. - Hongxia Zhao; Erik Agrell; Magnus Karlsson 001 (Eur. Trans. Telecommun., 2009)

A Novel Multilevel Coded Modulation Scheme for Fiber Optical Channel with Nonlinear Phase Noise. - Lotfollah Beygi; Erik Agrell; Pontus Johannisson; Magnus Karlsson 001 (GLOBECOM, 2010)

A novel rate allocation method for multilevel coded modulation. - Lotfollah Beygi; Erik Agrell; Magnus Karlsson 001; Behrooz Makki (ISIT, 2010)

On the Dimensionality of Multilevel Coded Modulation in the High SNR Regime. - Lotfollah Beygi; Erik Agrell; Magnus Karlsson 001 (IEEE Commun. Lett., 2010)

Designing Power-Efficient Modulation Formats for Noncoherent Optical Systems. - Johnny Karout; Erik Agrell; Krzysztof Szczerba; Magnus Karlsson 001 (GLOBECOM, 2011)

An ML-Based Detector for Optical Communication in the Presence of Nonlinear Phase Noise. - Ahmet Serdar Tan; Henk Wymeersch; Pontus Johannisson; Erik Agrell; Peter A. Andrekson; Magnus Karlsson 001 (ICC, 2011)

CMA misconvergence in coherent optical communication for signals generated from a single PRBS. - Johnny Karout; Henk Wymeersch; Ahmet Serdar Tan; Pontus Johannisson; Erik Agrell; Martin Sjödin; Magnus Karlsson 001; Peter A. Andrekson (WOCC, 2011)

Optimizing Constellations for Noncoherent Optical Communication Systems - Johnny Karout; Erik Agrell; Krzysztof Szczerba; Magnus Karlsson 001 (CoRR, 2011)

Convergence Comparison of the CMA and ICA for Blind Polarization Demultiplexing. - Pontus Johannisson; Henk Wymeersch; Martin Sjödin; Ahmet Serdar Tan; Erik Agrell; Peter A. Andrekson; Magnus Karlsson 001 (JOCN, 2011)

On the Symbol Error Probability of Regular Polytopes. - Erik Agrell; Magnus Karlsson 001 (IEEE Trans. Inf. Theory, 2011)

Adaptive coded modulation for nonlinear fiber-optical channels. - Lotfollah Beygi; Erik Agrell; Magnus Karlsson 001 (GLOBECOM Workshops, 2012)

4-PAM for High-Speed Short-Range Optical Communications. - Krzysztof Szczerba; Petter Westbergh; Johnny Karout; Johan S. Gustavsson; Åsa Haglund; Magnus Karlsson 001; Peter A. Andrekson; Erik Agrell; Anders Larsson (JOCN, 2012)

Influence of Fiber-Bragg Grating-Induced Group-Delay Ripple in High-Speed Transmission Systems. - Ekawit Tipsuwannakul; Jianqiang Li; Tobias A. Eriksson; Lars Egnell; Fredrik Sjöström; Johan Pejnefors; Peter A. Andrekson; Magnus Karlsson 001 (JOCN, 2012)

A Discrete-Time Model for Uncompensated Single-Channel Fiber-Optical Links. - Lotfollah Beygi; Erik Agrell; Pontus Johannisson; Magnus Karlsson 001; Henk Wymeersch (IEEE Trans. Commun., 2012)

Optimizing Constellations for Single-Subcarrier Intensity-Modulated Optical Systems. - Johnny Karout; Erik Agrell; Krzysztof Szczerba; Magnus Karlsson 001 (IEEE Trans. Inf. Theory, 2012)

WDM channel capacity and its dependence on multichannel adaptation models. - Erik Agrell; Magnus Karlsson 001 (OFC/NFOEC, 2013)

Experimental demonstration of 128-SP-QAM in uncompensated long-haul transmission. - Tobias A. Eriksson; Martin Sjödin; Peter A. Andrekson; Magnus Karlsson 001 (OFC/NFOEC, 2013)

Experimental demonstration of an optimized 16-ary four-dimensional modulation format using optical OFDM. - Johnny Karout; Xiang Liu 018; Sethumadhavan Chandrasekhar; Erik Agrell; Magnus Karlsson 001; René-Jean Essiambre (OFC/NFOEC, 2013)

Phase-sensitive amplifiers for optical links. - Carl Lundstrom; Samuel L. I. Olsson; Bill Corcoran; Magnus Karlsson 001; Peter A. Andrekson (OFC/NFOEC, 2013)

Long-haul transmission of PM-2PPM-QPSK at 42.8 Gbit/s. - Martin Sjödin; Tobias A. Eriksson; Peter A. Andrekson; Magnus Karlsson 001 (OFC/NFOEC, 2013)

Intersymbol interference penalties for OOK and 4-PAM in short-range optical communications. - Krzysztof Szczerba; Magnus Karlsson 001; Peter A. Andrekson; Anders Larsson (OFC/NFOEC, 2013)

MCRB for Timing and Phase Offset for Low-Rate Optical Communication with Self-Phase Modulation. - Debarati Sen; Henk Wymeersch; Naga VishnuKanth Irukulapati; Erik Agrell; Pontus Johannisson; Magnus Karlsson 001; Peter A. Andrekson (IEEE Commun. Lett., 2013)

Subset-Optimized Polarization-Multiplexed PSK for Fiber-Optic Communications. - Martin Sjödin; Erik Agrell; Magnus Karlsson 001 (IEEE Commun. Lett., 2013)

High-Speed 850 nm Quasi-Single-Mode VCSELs for Extended-Reach Optical Interconnects. - Rashid Safaisini; Krzysztof Szczerba; Petter Westbergh; Erik Haglund; Benjamin Kögel; Johan S. Gustavsson; Magnus Karlsson 001; Peter A. Andrekson; Anders Larsson (JOCN, 2013)

Comparison between coherent superposition in DSP and PSA for mitigation of nonlinearities in a single-span link. - Henrik Eliasson; Samuel L. I. Olsson; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2014)

Experimental comparison of PS-QPSK and LDPC-coded PM-QPSK with equal spectral efficiency in WDM transmission. - Tobias A. Eriksson; Pontus Johannisson; Erik Agrell; Peter A. Andrekson; Magnus Karlsson 001 (ECOC, 2014)

Phase-sensitive amplification and regeneration of dual-polarization BPSK without polarization diversity. - Abel Lorences-Riesgo; Carl Lundstrom; Fabrizio Chiarello; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2014)

Long-haul (3465 km) transmission of a 10 GBd QPSK signal with low noise phase-sensitive in-line amplification. - Samuel L. I. Olsson; Carl Lundstrom; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2014)

70 Gbps 4-PAM and 56 Gbps 8-PAM using an 850 nm VCSEL. - Krzysztof Szczerba; Petter Westbergh; Magnus Karlsson 001; Peter A. Andrekson; Anders Larsson (ECOC, 2014)

Spectrum superposition based chromatic dispersion estimation for digital coherent receivers. - Shuchang Yao; Tobias A. Eriksson; Songnian Fu; Jianqiang Li; Pontus Johannisson; Magnus Karlsson 001; Peter A. Andrekson; Perry Ping Shum; Deming Liu (ECOC, 2014)

CMA-based CD and DGD estimation in presence of experimental higher order PMD. - Daniel Zakrisson; Magnus Karlsson 001; Pontus Johannisson (ECOC, 2014)

Biorthogonal modulation in 8 dimensions experimentally implemented as 2PPM-PS-QPSK. - Tobias A. Eriksson; Pontus Johannisson; Erik Agrell; Peter A. Andrekson; Magnus Karlsson 001 (OFC, 2014)

Four-dimensional modulation formats for long-haul transmission. - Pontus Johannisson; Martin Sjödin; Tobias A. Eriksson; Magnus Karlsson 001 (OFC, 2014)

Record-high sensitivity receiver using phase sensitive fiber optical parametric amplification. - Rohit Malik; Samuel L. I. Olsson; Peter A. Andrekson; Carl Lundstrom; Magnus Karlsson 001 (OFC, 2014)

Linear and nonlinear transmission of 16-QAM Over 105 km phase-sensitive amplified link. - Samuel L. I. Olsson; Tobias A. Eriksson; Carl Lundstrom; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2014)

Capacity of a Nonlinear Optical Channel with Finite Memory. - Erik Agrell; Alex Alvarado; Giuseppe Durisi; Magnus Karlsson 001 (CoRR, 2014)

A Low-Complexity Detector for Memoryless Polarization-Multiplexed Fiber-Optical Channels. - Christian Häger; Lotfollah Beygi; Erik Agrell; Pontus Johannisson; Magnus Karlsson 001; Alexandre Graell i Amat (IEEE Commun. Lett., 2014)

Coded Modulation for Fiber-Optic Networks: Toward better tradeoff between signal processing complexity and optical transparent reach. - Lotfollah Beygi; Erik Agrell; Joseph M. Kahn; Magnus Karlsson 001 (IEEE Signal Process. Mag., 2014)

Transmission systems with low noise phase sensitive parametric amplifiers. - Magnus Karlsson 001 (ECOC, 2015)

Four-dimensional estimates of mutual information in coherent optical communication experiments. - Tobias A. Eriksson; Tobias Fehenberger; Norbert Hanik; Peter A. Andrekson; Magnus Karlsson 001; Erik Agrell (ECOC, 2015)

Sensitivity improvements in an 850 nm VCSEL transmitter using a one-tap pre-emphasis electronic filter. - Tamas Lengyel; Krzysztof Szczerba; Petter Westbergh; Magnus Karlsson 001; Anders Larsson; Peter A. Andrekson (ECOC, 2015)

Frequency-comb regeneration for self-homodyne superchannels. - Abel Lorences-Riesgo; Tobias A. Eriksson; Attila Fülöp; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2015)

Power consumption of hybrid EDFA/Raman amplified systems. - Lars Lundberg; Pontus Johannisson; Erik Agrell; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2015)

Impact of forward error correction on energy consumption of VCSEL-based transmitters. - Krzysztof Szczerba; Christoffer Fougstedt; Per Larsson-Edefors; Petter Westbergh; Alexandre Graell i Amat; Lars J. Svensson; Magnus Karlsson 001; Anders Larsson; Peter A. Andrekson (ECOC, 2015)

Symbol-by-symbol joint polarization and phase tracking in coherent receivers. - Cristian B. Czegledi; Erik Agrell; Magnus Karlsson 001 (OFC, 2015)

Experimental investigation of a four-dimensional 256-ary lattice-based modulation format. - Tobias A. Eriksson; Saleem Alreesh; Carsten Schmidt-Langhorst; Felix Frey; Pablo Wilke Berenguer; Colja Schubert; Johannes K. Fischer; Peter A. Andrekson; Magnus Karlsson 001; Erik Agrell (OFC, 2015)

Phase-sensitive amplification of 28 GBaud DP-QPSK signal. - Abel Lorences-Riesgo; Tobias A. Eriksson; Carl Lundstrom; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2015)

On the impact of carrier phase estimation on phase correlations in coherent fiber transmission. - Tobias Fehenberger; Norbert Hanik; Tobias A. Eriksson; Pontus Johannisson; Magnus Karlsson 001 (TIWDC, 2015)

Influence of Behavioral Models on Multiuser Channel Capacity. - Erik Agrell; Magnus Karlsson 001 (CoRR, 2015)

Polarization Drift Channel Model for Coherent Fibre-Optic Systems. - Cristian B. Czegledi; Magnus Karlsson 001; Erik Agrell; Pontus Johannisson (CoRR, 2015)

Impact of 4D channel distribution on the achievable rates in coherent optical communication experiments. - Tobias A. Eriksson; Tobias Fehenberger; Peter A. Andrekson; Magnus Karlsson 001; Norbert Hanik; Erik Agrell (CoRR, 2015)

Multidimensional modulation and coding. - Magnus Karlsson 001; Erik Agrell (OFC, 2016)

Regenerator site selection in impairment-aware elastic optical networks. - Nishan Dharmaweera; Li Yan; Juzi Zhao; Magnus Karlsson 001; Erik Agrell (OFC, 2016)

Improved achievable information rates by optimized four-dimensional demappers in optical transmission experiments. - Tobias Fehenberger; Tobias A. Eriksson; Alex Alvarado; Magnus Karlsson 001; Erik Agrell; Norbert Hanik (OFC, 2016)

Modulation Format Independent Joint Polarization and Phase Tracking for Coherent Receivers. - Cristian B. Czegledi; Erik Agrell; Magnus Karlsson 001; Pontus Johannisson (CoRR, 2016)

Traffic-Grooming- and Multipath-Routing-Enabled Impairment-Aware Elastic Optical Networks. - Madushanka Nishan Dharmaweera; Juzi Zhao; Li Yan; Magnus Karlsson 001; Erik Agrell (JOCN, 2016)

Pilot Distributions for Phase Tracking in Space-Division Multiplexed Systems. - Arni F. Alfredsson; Erik Agrell; Henk Wymeersch; Magnus Karlsson 001 (ECOC, 2017)

Finite-Precision Optimization of Time-Domain Digital Back Propagation by Inter-Symbol Interference Minimization. - Christoffer Fougstedt; Lars J. Svensson; Mikael Mazur; Magnus Karlsson 001; Per Larsson-Edefors (ECOC, 2017)

Joint Carrier Recovery for DSP Complexity Reduction in Frequency Comb-Based Superchannel Transceivers. - Lars Lundberg; Mikael Mazur; Abel Lorences-Riesgo; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2017)

10.3 bits/s/Hz Spectral Efficiency 54×24 Gbaud PM-128QAM Comb-Based Superchannel Transmission Using Single Pilot. - Mikael Mazur; Abel Lorences-Riesgo; Jochen Schröder; Peter A. Andrekson; Magnus Karlsson 001 (ECOC, 2017)

Long-Haul Optical Transmission of 16-QAM Signal with In-Line Phase-Sensitive Amplifiers. - Samuel L. I. Olsson; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2017)

Short-Block-Length Shaping by Simple Mark Ratio Controllers for Granular and Wide-Range Spectral Efficiencies. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (ECOC, 2017)

Post-FEC BER Prediction Accuracy for Probabilistically Shaped Signaling in Fiber-Optic Communications. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (ECOC, 2017)

Phase-noise compensation for spatial-division multiplexed transmission. - Arni F. Alfredsson; Erik Agrell; Henk Wymeersch; Magnus Karlsson 001 (OFC, 2017)

Temporal stochastic channel model for absolute polarization state and polarization-mode dispersion. - Cristian B. Czegledi; Magnus Karlsson 001; Pontus Johannisson; Erik Agrell (OFC, 2017)

Modified digital backpropagation accounting for polarization-mode dispersion. - Cristian B. Czegledi; Gabriele Liga; Domaniç Lavery; Magnus Karlsson 001; Erik Agrell; Seb J. Savory; Polina Bayvel (OFC, 2017)

An impairment-aware resource allocation scheme for dynamic elastic optical networks. - Nishan Dharmaweera; Li Yan; Magnus Karlsson 001; Erik Agrell (OFC, 2017)

Experimental investigation of nonlinearity mitigation properties of a hybrid distributed Raman/phase-sensitive amplifier link. - Henrik Eliasson; Samuel L. I. Olsson; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2017)

Time-domain digital back propagation: Algorithm and finite-precision implementation aspects. - Christoffer Fougstedt; Mikael Mazur; Lars J. Svensson; Henrik Eliasson; Magnus Karlsson 001; Per Larsson-Edefors (OFC, 2017)

Impact of damping on 50 Gbps 4-PAM modulation of 25G class VCSELs. - Tamas Lengyel; Erik Haglund; Johan S. Gustavsson; Krzysztof Szczerba; Anders Larsson; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2017)

10 Tb/s self-homodyne 64-QAM superchannel transmission with 4% spectral overhead. - Mikael Mazur; Abel Lorences-Riesgo; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2017)

Nonbinary staircase codes for spectrally and energy efficient fiber-optic systems. - Alireza Sheikh; Alexandre Graell i Amat; Magnus Karlsson 001 (OFC, 2017)

Optical nonlinearity mitigation of 6 χ 10 GBd polarization-division multiplexing 16 QAM signals in a field-installed transmission link. - Yujia Sun; Abel Lorences-Riesgo; Francesca Parmigiani; Kyle R. H. Bottrill; Satoshi Yoshima; Graham D. Hesketh; Magnus Karlsson 001; Peter A. Andrekson; David J. Richardson; Periklis Petropoulos (OFC, 2017)

Performance Metrics for Systems with Soft-Decision FEC and Probabilistic Shaping. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (CoRR, 2017)

Power Consumption Savings Through Joint Carrier Recovery for Spectral and Spatial Superchannels. - Lars Lundberg; Erik Börjeson; Christoffer Fougstedt; Mikael Mazur; Magnus Karlsson 001; Peter A. Andrekson; Per Larsson-Edefors (ECOC, 2018)

Optimization of Low-Complexity Pilot-Based DSP for High Spectral Efficiency 51×24 Gbaud PM-64QAM Transmission. - Mikael Mazur; Jochen Schröder; Abel Lorences-Riesgo; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2018)

Optical Bandwidth Dependency of Nonlinearity Mitigation in Phase-Sensitive Amplifier Links. - Kovendhan Vijayan; Henrik Eliasson; Benjamin Foo; Samuel L. I. Olsson; Magnus Karlsson 001; Peter A. Andrekson (ECOC, 2018)

Technologies Toward Implementation of Probabilistic Constellation Shaping. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (ECOC, 2018)

11.5 bits/s/Hz PM-256QAM Comb-Based Superchannel Transmission by Combining Optical and Digital Pilots. - Mikael Mazur; Jochen Schröder; Abel Lorences-Riesgo; Tsuyoshi Yoshida; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2018)

Efficient Offline Evaluation of FEC Codes Based on Captured Data with Probabilistic Shaping. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (OFC, 2018)

Low-Complexity Variable-Length Output Distribution Matching with Periodical Distribution Uniformalization. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (OFC, 2018)

Hierarchical Distribution Matching for Probabilistically Shaped Coded Modulation. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (CoRR, 2018)

Joint Source-Channel Coding via Compressed Distribution Matching in Fiber-Optic Communications. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (OFC, 2019)

Post-FEC BER Prediction for Bit-Interleaved Coded Modulation with Probabilistic Shaping. - Tsuyoshi Yoshida; Alex Alvarado; Magnus Karlsson 001; Erik Agrell (CoRR, 2019)

Performance Monitoring for Live Systems with Soft FEC and Multilevel Modulation. - Tsuyoshi Yoshida; Mikael Mazur; Jochen Schröder; Magnus Karlsson 001; Erik Agrell (CoRR, 2019)

Channel allocation in elastic optical networks using traveling salesman problem algorithms. - Chayan Bhar; Erik Agrell; Kamran Keykhosravi; Magnus Karlsson 001; Peter A. Andrekson (JOCN, 2019)

Look-up Table based Pre-distortion for Transmitters Employing High-Spectral-Efficiency Modulation Formats. - Zonglong He; Kovendhan Vijayan; Mikael Mazur; Magnus Karlsson 001; Jochen Schröder (ECOC, 2020)

Lattice-based geometric shaping. - Ali Mirani; Erik Agrell; Magnus Karlsson 001 (ECOC, 2020)

Sparse-Dense MLC for Peak Power Constrained Channels. - Tsuyoshi Yoshida; Koji Igarashi; Magnus Karlsson 001; Erik Agrell (ECOC, 2020)

Required and Received SNRs in Coded Modulation. - Tsuyoshi Yoshida; Koji Igarashi; Masashi Binkai; Shun Chikamori; Mikael Mazur; Jochen Schröder; Keisuke Matsuda; Shota Koshikawa; Naoki Suzuki; Magnus Karlsson 001; Erik Agrell (ECOC, 2020)

Performance of Probabilistic Shaping Coherent Channels in Hybrid Systems. - Diego Villafani; Ali Mirani; Henrik Åhlfeldt; Jochen Schröder; Magnus Karlsson 001; Peter A. Andrekson (ICTON, 2020)

Improved Simulation Accuracy of the Split-Step Fourier Method. - Shen Li 006; Magnus Karlsson 001; Erik Agrell (OFC, 2020)

Multi-Channel Equalization for Comb-Based Systems. - Mikael Mazur; Jochen Schröder; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2020)

Multilevel Coding with Flexible Probabilistic Shaping for Rate-Adaptive and Low-Power Optical Communications. - Tsuyoshi Yoshida; Magnus Karlsson 001; Erik Agrell (OFC, 2020)

On the Performance under Hard and Soft Bitwise Mismatched-Decoding. - Tsuyoshi Yoshida; Mikael Mazur; Jochen Schröder; Magnus Karlsson 001; Erik Agrell (OFC, 2020)

When to Use Optical Amplification in Noncoherent Transmission: An Information-Theoretic Approach. - Kamran Keykhosravi; Erik Agrell; Marco Secondini; Magnus Karlsson 001 (IEEE Trans. Commun., 2020)

Characterisation of a Coupled-Core Fiber Using Dual-Comb Swept-Wavelength Interferometry. - Ekaterina Deriushkina; Israel Rebolledo Salgado; Mikael Mazur; Victor Torres-Company; Peter A. Andrekson; Simon Gross; Michael J. Withford; Tetsuya Hayashi; Takuji Nagashima; Jochen Schröder; Magnus Karlsson 001 (ECOC, 2021)

Symbol-Based Supervised Learning Predistortion for Compensating Transmitter Nonlinearity. - Zonglong He; Jinxiang Song; Christian Häger; Kovendhan Vijayan; Peter A. Andrekson; Magnus Karlsson 001; Alexandre Graell i Amat; Henk Wymeersch; Jochen Schröder (ECOC, 2021)

Experimental Demonstration of 8-Dimensional Voronoi Constellations with 65, 536 and 16, 777, 216 Symbols. - Ali Mirani; Kovendhan Vijayan; Zonglong He; Shen Li 006; Erik Agrell; Jochen Schröder; Peter A. Andrekson; Magnus Karlsson 001 (ECOC, 2021)

Over-the-fiber Digital Predistortion Using Reinforcement Learning. - Jinxiang Song; Zonglong He; Christian Häger; Magnus Karlsson 001; Alexandre Graell i Amat; Henk Wymeersch; Jochen Schröder (ECOC, 2021)

Designing Voronoi Constellations to Minimize Bit Error Rate. - Shen Li 006; Ali Mirani; Magnus Karlsson 001; Erik Agrell (ISIT, 2021)

FPGA Implementation of Hierarchical Subcarrier Rate and Distribution Matching for up to 1.032 Tb/s or 262144-QAM. - Tsuyoshi Yoshida; Koji Igarashi; Yoshiaki Konishi; Magnus Karlsson 001; Erik Agrell (OFC, 2021)

Overcoming the Quantum Noise Limit with Continuous-wave Phase-Sensitive Parametric Amplification Based on a Single Integrated Silicon-Nitride Waveguide. - Ping Zhao; Zhichao Ye; Magnus Karlsson 001; Victor Torres-Company; Peter A. Andrekson (OFC, 2021)

Compressed Shaping: Concept and FPGA Demonstration. - Tsuyoshi Yoshida; Koji Igarashi; Magnus Karlsson 001; Erik Agrell (CoRR, 2021)

Capacity Bounds under Imperfect Polarization Tracking. - Mohammad Farsi 003; Magnus Karlsson 001; Erik Agrell (CoRR, 2021)

Waveform Memory for Real-Time FPGA Test of Fiber-Optic Receiver DSPs. - Rafael Romón Sagredo; Erik Börjeson; Ali Mirani; Magnus Karlsson 001; Per Larsson-Edefors (NorCAS, 2022)

Experimental Demonstration of Learned Pulse Shaping Filter for Superchannels. - Zonglong He; Jinxiang Song; Christian Häger; Alexandre Graell i Amat; Henk Wymeersch; Peter A. Andrekson; Magnus Karlsson 001; Jochen Schröder (OFC, 2022)

Coherent Combining at Ultra-low Optical Signal Powers based on Optically Amplified Error Feedback. - Rasmus Larsson; Jochen Schröder; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2022)

Comparison of Transmitter Nonlinearity Impairments in externally modulated Sigma-Delta-over Fiber vs Analog Radio-over-Fiber links. - Frida Olofsson; Lise Aabel; Magnus Karlsson 001; Christian Fager (OFC, 2022)

Ultralow-loss Silicon Nitride Waveguides for Parametric Amplification. - Victor Torres-Company; Zhichao Ye; Ping Zhao; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2022)

Capacity Bounds Under Imperfect Polarization Tracking. - Mohammad Farsi 001; Magnus Karlsson 001; Erik Agrell (IEEE Trans. Commun., 2022)

Low-Complexity Voronoi Shaping for the Gaussian Channel. - Shen Li 006; Ali Mirani; Magnus Karlsson 001; Erik Agrell (IEEE Trans. Commun., 2022)

Field Trial of FPGA-Based Real-Time Sensing Transceiver over 524 km of Live Aerial Fiber. - Mikael Mazur; Dennis Wallberg; Lauren Dallachiesa; Erik Börjeson; Roland Ryf; Magnus Bergroth; Börje Josefsson; Nicolas K. Fontaine; Haoshuo Chen; David T. Neilson; Jochen Schröder; Per Larsson-Edefors; et al. (OFC, 2023)

Coded Modulation Schemes for Voronoi Constellations. - Shen Li 006; Ali Mirani; Magnus Karlsson 001; Erik Agrell (CoRR, 2023)

Circuit Implementation of Pilot-Based Dynamic MIMO Equalization for Coupled-Core Fibers. - Erik Börjeson; Ekaterina Deriushkina; Mikael Mazur; Magnus Karlsson 001; Per Larsson-Edefors (OFC, 2024)

Learning to Extract Distributed Polarization Sensing Data from Noisy Jones Matrices. - Mohammad Farsi 003; Christian Häger; Magnus Karlsson 001; Erik Agrell (OFC, 2024)

Real-Time Monitoring of Cable Break in a Live Network using a Coherent Transceiver Prototype. - Mikael Mazur; Dennis Wallberg; Lauren Dallachiesa; Erik Börjeson; Roland Ryf; Magnus Bergroth; Börje Josefsson; Nicolas K. Fontaine; Haoshuo Chen; David T. Neilson; Jochen Schröder; Per Larsson-Edefors; et al. (OFC, 2024)

High-Speed Multilevel Coded Modulation and Soft Performance Monitoring in Optical Communications. - Tsuyoshi Yoshida; Isamu Kudo; Kenji Ishii; Hideo Yoshida; Hidenori Shimizu; Susumu Hirano; Yoshiaki Konishi; Magnus Karlsson 001; Erik Agrell (OFC, 2024)

On the Capacity of Correlated MIMO Phase-Noise Channels: An Electro-Optic Frequency Comb Example. - Mohammad Farsi 003; Hamdi Joudeh; Gabriele Liga; Alex Alvarado; Magnus Karlsson 001; Erik Agrell (CoRR, 2024)

Integrated Silicon Nitride Nonlinear Photonic Engine Enabling High-Frequency Analog Signal Generation for Microwave Photonic Systems. - Ping Zhao; Magnus Karlsson 001; Peter A. Andrekson (OFC, 2025)

On the Capacity of Correlated Phase-Noise Channels: An Electro-Optic Frequency Comb Example. - Mohammad Farsi 001; Hamdi Joudeh; Gabriele Liga; Alex Alvarado; Magnus Karlsson 001; Erik Agrell (IEEE Trans. Inf. Theory, 2025)