Pontus Johannisson

Showing 80 publications

2018

Filter Implementation for Power-Efficient Chromatic Dispersion Compensation

Christoffer Fougstedt, Alireza Sheikh, Pontus Johannisson et al
IEEE Photonics Journal. Vol. 10 (4)
Journal article
2017

Temporal Stochastic Channel Model for Absolute Polarization State and Polarization-Mode Dispersion

Cristian Bogdan Czegledi, Magnus Karlsson, Pontus Johannisson et al
2017 Optical Fiber Communications Conference and Exhibition (OFC), p. Th3F.2 -
Paper in proceedings
2016

Polarization Drift Channel Model for Coherent Fibre-Optic Systems

Cristian Bogdan Czegledi, Magnus Karlsson, Erik Agrell et al
Scientific Reports. Vol. 6, p. 21217-
Journal article
2016

Modulation Format Independent Joint Polarization and Phase Tracking for Coherent Receivers

Cristian Bogdan Czegledi, Erik Agrell, Magnus Karlsson et al
Journal of Lightwave Technology. Vol. 13 (14), p. 3354-3364
Journal article
2016

Achievable Rates Comparison for Phase-Conjugated Twin-Waves and PM-QPSK

Tobias Eriksson, Abel Lorences Riesgo, Pontus Johannisson et al
21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016, Niigata, Japan, 3-7 July 2016, p. TuB3-3
Paper in proceedings
2016

Stochastic Digital Backpropagation with Residual Memory Compensation

Naga Vishnukanth Irukulapati, D. Marsella, Pontus Johannisson et al
Journal of Lightwave Technology. Vol. 34 (2), p. 566-572
Journal article
2016

Dispersion Compensation FIR Filter with Improved Robustness to Coefficient Quantization Errors

Alireza Sheikh, Christoffer Fougstedt, Alexandre Graell i Amat et al
Journal of Lightwave Technology. Vol. 34 (22), p. 5110-5117
Journal article
2016

Dynamic Equalizer Power Dissipation Optimization

Christoffer Fougstedt, Pontus Johannisson, Lars Svensson et al
2016 Optical Fiber Communications Conference and Exhibition
Paper in proceedings
2015

Information-theory-friendly models for fiber-optic channels: A primer

Erik Agrell, Giuseppe Durisi, Pontus Johannisson
IEEE Information Theory Workshop (ITW), Jerusalem, Israel [Invited]
Paper in proceedings
2015

Dispersion Compensation Filter Design Optimized for Robustness and Power Efficiency

Alireza Sheikh, Christoffer Fougstedt, Alexandre Graell i Amat et al
Signal Processing in Photonics Communications, SPPCom 2015; Boston, MA; United States; 27 June 2015 through 1 July 2015, p. SpT3D.2-
Paper in proceedings
2015

Power Consumption of Hybrid EDFA/Raman Amplified Systems

Lars Lundberg, Pontus Johannisson, Erik Agrell et al
41st European Conference on Optical Communication, ECOC 2015, Valencia, Spain, 27 September 2015 - 1 October 2015
Paper in proceedings
2015

Link-Level Resource Allocation for Flexible-Grid Nonlinear Fiber-Optic Communication Systems

Li Yan, Erik Agrell, Henk Wymeersch et al
IEEE Photonics Technology Letters. Vol. 27 (12), p. 1250-1253
Journal article
2015

On the Use of Factor Graphs in Optical Communications

Henk Wymeersch, Naga Vishnukanth Irukulapati, D. Marsella et al
2015 Optical Fiber Communications Conference and Exhibition, OFC 2015; Los Angeles; United States; 22 March - 26 March 2015. Vol. 2015-June (7122132)
Paper in proceedings
2015

Mitigation of nonlinearities using conjugate data repetition

Henrik Eliasson, Pontus Johannisson, Magnus Karlsson et al
Optics Express. Vol. 23 (3), p. 2392-2402
Journal article
2015

Fast and robust chromatic dispersion estimation based on temporal auto-correlation after digital spectrum superposition

SC Yao, Tobias Eriksson, S Fu et al
Optics Express. Vol. 23 (12), p. 15418-15430
Journal article
2015

Mask testing of 28 gbaud 16-QAM transmitters using time-resolved error vector magnitude

Carl Peter Lundström, Henrik Eliasson, I. Fatadin et al
Signal Processing in Photonic Communications, SPPCom 2015; Omni Parker HouseBoston; United States; 27 June 2015 through 1 July 2015, p. SpS4D.3-
Paper in proceedings
2015

Backward particle message passing

Henk Wymeersch, Naga Vishnukanth Irukulapati, Isaac A. Sackey et al
IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC, p. 450-454
Paper in proceedings
2015

In-Band OSNR Monitoring of PM-QPSK Using the Stokes Parameters

Lars Lundberg, Henrik Sunnerud, Pontus Johannisson
2015 Optical Fiber Communications Conference and Exhibition, OFC 2015, Los Angeles, United States, 22-26 March 2015, p. 7122095-
Paper in proceedings
2015

On the impact of carrier phase estimation on phase correlations in coherent fiber transmission

Tobias Fehenberger, Norbert Hanik, Tobias Eriksson et al
2015 Tyrrhenian International Workshop on Digital Communications, TIWDC 2015, p. 35-38
Paper in proceedings
2015

Power-Efficient Time-Domain Dispersion Compensation Using Optimized FIR Filter Implementation

Christoffer Fougstedt, Alireza Sheikh, Pontus Johannisson et al
Signal Processing in Photonics Communications, SPPCom 2015; Boston, MA; United States; 27 June 2015-1 July 2015, p. SpT3D.3-
Paper in proceedings
2014

K-Over-L Multidimensional Position Modulation

Tobias Eriksson, Pontus Johannisson, Benjamin Puttnam et al
Journal of Lightwave Technology. Vol. 32 (12), p. 2254-2262
Journal article
2014

Experimental demonstration of the maximum likelihood-based chromatic dispersion estimator for coherent receivers

R. Borkowski, Pontus Johannisson, Henk Wymeersch et al
Optical Fiber Technology. Vol. 20 (2), p. 158-162
Journal article
2014

Stochastic Digital Backpropagation

Naga Vishnukanth Irukulapati, Henk Wymeersch, Pontus Johannisson et al
IEEE Transactions on Communications. Vol. 62 (11), p. 3956-3968
Journal article
2014

Experimental comparison of PS-QPSK and LDPC-coded PM-QPSK with equal spectral efficiency in WDM transmission

Tobias Eriksson, Pontus Johannisson, Erik Agrell et al
2014 European Conference on Optical Communication, ECOC 2014; Cannes; France; 21 September 2014 through 25 September 2014, p. Art. no. 6964035-
Paper in proceedings
2014

CMA-Based CD and DGD Estimation in Presence of Experimental Higher Order PMD

Daniel Zakrisson, Magnus Karlsson, Pontus Johannisson
European Conference on Optical Communication, ECOC 2014; Cannes; France; 21 September 2014 through 25 September 2014, p. P.3.16-
Paper in proceedings
2014

Modeling of Nonlinear Signal Distortion in Fiber-Optic Networks

Pontus Johannisson, Erik Agrell
Journal of Lightwave Technology. Vol. 32 (23), p. 3942-3950
Journal article
2014

Four-Dimensional Modulation Formats for Long-Haul Transmission

Pontus Johannisson, Martin E Sjödin, Tobias Eriksson et al
Conference on Optical Fiber Communication, Technical Digest Series, p. Art. no. 6886527-
Paper in proceedings
2014

On Maximum Likelihood Sequence Detectors for Single-channel Coherent Optical Communications

Naga Vishnukanth Irukulapati, D. Marsella, Pontus Johannisson et al
2014 European Conference on Optical Communication, ECOC 2014; Cannes; France; 21 September 2014 through 25 September 2014, p. Art. no. 6964134-
Paper in proceedings
2014

Spectrum Superposition Based Chromatic Dispersion Estimation for Digital Coherent Receivers

Yao Shuchang, Tobias Eriksson, S Fu et al
European Conference on Optical Communication, ECOC 2014; Cannes; France; 21 September 2014 through 25 September 2014, p. P.3.17-
Paper in proceedings
2014

Biorthogonal modulation in 8 dimensions experimentally implemented as 2PPM-PS-QPSK

Tobias Eriksson, Pontus Johannisson, Erik Agrell et al
Optical Fiber Communication Conference, OFC 2014, p. Art. no. 6886984-
Paper in proceedings
2014

A Low-Complexity Detector for Memoryless Polarization-Multiplexed Fiber-Optical Channels

Christian Häger, Lotfollah Beygi, Erik Agrell et al
IEEE Communications Letters. Vol. 18 (2), p. 368-371
Journal article
2013

Extending Digital Backpropagation to Account for Noise

Naga Vishnukanth Irukulapati, Henk Wymeersch, Pontus Johannisson et al
Proc. of 39th European Conference and Exhibition on Optical Communication (ECOC 2013) (622 CP), p. We.3.C.4-
Paper in proceedings
2013

Blind Equalization in Optical Communications Using Independent Component Analysis

A. Nafta, Pontus Johannisson, M. Shtaif
Journal of Lightwave Technology. Vol. 31 (12), p. 2043-2049
Journal article
2013

Comparison of 128-SP-QAM and PM-16QAM in long-haul WDM transmission

Tobias Eriksson, Martin E Sjödin, Pontus Johannisson et al
Optics Express. Vol. 21 (16), p. 19269-19279
Journal article
2013

MCRB for Timing and Phase Offset for Low-Rate Optical Communication with Self-Phase Modulation

Debarati Sen, Henk Wymeersch, Naga Vishnukanth Irukulapati et al
IEEE Communications Letters. Vol. 17 (5), p. 1004-1007
Journal article
2013

Practical Detection Schemes for Power Efficient Modulation Formats

Pontus Johannisson, Magnus Karlsson
Advanced Photonics Congress (SPPCom) 2013 (SPM3D.4)
Paper in proceedings
2013

Perturbation Analysis of Nonlinear Propagation in a Strongly Dispersive Optical Communication System

Pontus Johannisson, Magnus Karlsson
Journal of Lightwave Technology. Vol. 31 (8), p. 1273-1282
Journal article
2013

Frequency and polarization switched QPSK

Tobias Eriksson, Pontus Johannisson, Martin E Sjödin et al
39th European Conference and Exhibition on Optical Communication, ECOC 2013; London; United Kingdom; 22 September 2013 through 26 September 2013 (622 CP), p. 816-818
Paper in proceedings
2013

On nonlinearly-induced noise in single-channel optical links with digital backpropagation

Lotfollah Beygi, Naga Vishnukanth Irukulapati, Erik Agrell et al
Optics Express. Vol. 21 (22), p. 26376-26386
Journal article
2013

Transmitter mask testing for 28 GBaud PM-QPSK

Henrik Eliasson, Pontus Johannisson, Henrik Sunnerud et al
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on, p. 282 - 284
Paper in proceedings
2013

Methodology for Power-Aware Coherent Receiver Design

Tauseef Ahmad, Yun Ai, Pavithra Muralidharan et al
Signal Processing in Photonic Communications, p. SPT4D.4-
Paper in proceedings
2012

Maximum Likelihood-Based Blind Dispersion Estimation for Coherent Optical Communication

Henk Wymeersch, Pontus Johannisson
Journal of Lightwave Technology (18), p. 2976-2982
Journal article
2012

Comparison of PS-QPSK and PM-QPSK at Different Data Rates in a 25 GHz-spaced WDM System

Martin E Sjödin, Benjamin Puttnam, Pontus Johannisson et al
Optical Fiber Communication Conference, OFC 2012, Los Angeles, United States, 4-8 March 2012
Paper in proceedings
2012

Modified Cramer-Rao Bound for Clock Recovery in the Presence of Self-Phase Modulation

Ahmet Serdar Tan, Henk Wymeersch, Pontus Johannisson et al
Journal of Lightwave Technology. Vol. 30 (16), p. 2556-2562
Magazine article
2012

The Limits of Digital Backpropagation in Nonlinear Coherent Fiber-Optical Links

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
2012 38th European Conference and Exhibition on Optical Communications, ECOC 2012; Amsterdam; Netherlands; 16 September 2012 through 20 September 2012, p. Art. no. 6706029-
Paper in proceedings
2012

Comparison of 128-SP-QAM with PM-16-QAM

Martin E Sjödin, Pontus Johannisson, Jianqiang Li et al
Optics Express. Vol. 20 (8), p. 8356-8366
Journal article
2012

A Discrete-Time Model for Uncompensated Single-Channel Fiber-Optical Links

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
IEEE Transactions on Communications. Vol. 60 (11), p. 3440-3450
Journal article
2012

Transmission of PM-QPSK and PS-QPSK with different fiber span lengths

Martin E Sjödin, Benjamin Puttnam, Pontus Johannisson et al
Optics Express. Vol. 20 (7), p. 7544-7554
Journal article
2011

Comparison of polarization-switched QPSK and polarization-multiplexed QPSK at 30 Gbit/s

Martin E Sjödin, Pontus Johannisson, Henk Wymeersch et al
Optics Express. Vol. 19 (8), p. 7839-7846
Journal article
2011

Performance Comparison of Differential 8-Ary Modulation Formats in High-Speed Optical Transmission Systems

Ekawit Tipsuwannakul, Pontus Johannisson, Mats Sköld et al
Journal of Lightwave Technology. Vol. 29 (19), p. 2954-2962
Journal article
2011

Stochastic Backpropagation for Coherent Optical Communications

Nan Jiang, Yan Gong, Johnny Karout et al
European Conference and Exposition on Optical Communications, ECOC
Paper in proceedings
2011

Signal Statistics in Fiber-Optical Channels with Polarization Multiplexing and Self-Phase Modulation

Lotfollah Beygi, Erik Agrell, Magnus Karlsson et al
Journal of Lightwave Technology. Vol. 29 (16), p. 2379 - 2386
Journal article
2011

Modified constant modulus algorithm for polarization-switched QPSK

Pontus Johannisson, Martin E Sjödin, Magnus Karlsson et al
Optics Express. Vol. 19 (8), p. 7734-7741
Journal article
2011

Filter Optimization for Self-Homodyne Coherent WDM Systems using Interleaved Polarization Division Multiplexing

Martin E Sjödin, Erik Agrell, Pontus Johannisson et al
Journal of Lightwave Technology. Vol. 29 (9), p. 1219 - 1226
Journal article
2011

Linear and Nonlinear Crosstalk Tolerance of Polarization-Switched QPSK and Polarization-Multiplexed QPSK

Martin E Sjödin, Pontus Johannisson, Peter Andrekson et al
European Conference and Exposition on Optical Communications, ECOC 2011; Geneva; Switzerland; 18 September 2011 through 22 September 2011
Paper in proceedings
2011

Convergence Comparison of the CMA and ICA for Blind Polarization Demultiplexing

Pontus Johannisson, Henk Wymeersch, Martin E Sjödin et al
Journal of Optical Communications and Networking. Vol. 3 (6), p. 493-501
Journal article
2011

An ML-based Detector for Optical Communication in the Presence of Nonlinear Phase Noise

Ahmet Serdar Tan, Henk Wymeersch, Pontus Johannisson et al
IEEE International Conference on Communications, p. Art. no. 5962741-
Paper in proceedings
2011

A Blind Phase Stabilization Algorithm for Parallel Coherent Receivers

Pontus Johannisson, Christophe Gosset, Magnus Karlsson
Journal of Lightwave Technology. Vol. 29 (24), p. 3737-3743
Journal article
2011

CMA Misconvergence in Coherent Optical Communication for Signals Generated from a Single PRBS

Johnny Karout, Henk Wymeersch, Ahmet Serdar Tan et al
Wireless & optical communications conference, New Jersey, 15-16 April 2011
Paper in proceedings
2011

Measurement of the Phase Noise Tracking Capability of a Digital Coherent Receiver

Martin E Sjödin, Henk Wymeersch, Pontus Johannisson et al
European Conference and Exposition on Optical Communications, ECOC 2011; Geneva; Switzerland; 18 September 2011 through 22 September 2011
Paper in proceedings
2011

A Modified CMA for PS-QPSK

Pontus Johannisson, Martin E Sjödin, Magnus Karlsson
Advanced Photonics, Signal Processing in Photonic Communications, p. SPTuB3-
Paper in proceedings
2010

Convergence Comparison of CMA and ICA for Blind Polarization Demultiplexing of QPSK and 16-QAM Signals

Pontus Johannisson, Henk Wymeersch, Martin E Sjödin et al
Proceedings of European Conference on Optical Communication, ECOC 2010, Turin, Italy, September 19-23, 2010
Paper in proceedings
2010

Navigation in vehicle crash test using MEMS-based IMU

P. Björkholm, L. Landén, Johan Stigwall et al
IEEE PLANS, Position Location and Navigation Symposium, p. 27-31
Conference contribution
2010

OSNR Requirements for Self-Homodyne Coherent Systems

Martin E Sjödin, Pontus Johannisson, Zhi Tong et al
IEEE Photonics Technology Letters. Vol. 22 (2), p. 91-93
Journal article
2010

Operational Regime of Symbol-by-Symbol Phase Noise Estimation for POLMUX 16-QAM

Fangrong Peng, Henk Wymeersch, Ahmet Serdar Tan et al
Proceedings of European Conference on Optical Communication, ECOC, Turin, Italy, September 19-23, 2010
Paper in proceedings
2010

Interleaved Polarization Division Multiplexing in Self-Homodyne Coherent WDM Systems

Martin E Sjödin, Erik Agrell, Guo-Wei Lu et al
Proceedings of European Conference on Optical Communication, ECOC 2010, Turin, Italy, September 19-23, 2010
Paper in proceedings
2010

A novel multilevel coded modulation scheme for fiber optical channel with nonlinear phase noise

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
Proc. Global Communications Conference, Miami, FL
Paper in proceedings
2010

40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals

Guo-Wei Lu, Mats Sköld, Pontus Johannisson et al
Optics Express. Vol. 18 (22), p. 23062-23069
Journal article
2010

The Impact of Self-Phase Modulation on Digital Clock Recovery in Coherent Optical Communication

Ahmet Serdar Tan, Henk Wymeersch, Pontus Johannisson et al
Proceedings of European Conference on Optical Communication, ECOC 2010, Turin, Italy, September 19-23, 2010
Paper in proceedings
2010

Cancellation of Nonlinear Phase Distortion in Self-Homodyne Coherent Systems

Pontus Johannisson, Martin E Sjödin, Magnus Karlsson et al
IEEE Photonics Technology Letters. Vol. 22 (11), p. 802-804
Journal article
2009

Cancellation of SPM in Self-Homodyne Coherent Systems

Martin E Sjödin, Pontus Johannisson, Mats Sköld et al
Proceedings of European Conference on Optical Communication, ECOC 2009, Vienna, Austria, September 20-24, 2009, paper We8.4.5
Paper in proceedings
2007

Analysis of the dynamics of high intensity Gaussian laser beams in nonlinear de-focusing Kerr media

C.-J Rosenberg, Dan Anderson, Mats Desaix et al
Optics Communications. Vol. 275, p. 458-463
Journal article
2007

Interaction range and generation rate of nonlinear intrachannel signal distortion

Pontus Johannisson
Optical Society of America. Journal B: Optical Physics. Vol. 24 (4), p. 729-738
Journal article
2007

Diffusion of super-Gaussian profiles

C-J Rosenberg, Dan Anderson, M. Desaix et al
Eur. J. Phys.. Vol. 28, p. 45-50
Journal article
2007

Evolution of optical pulses towards wave breaking in highly nonlinear fibres

C.-J Rosenberg, Dan Anderson, M. Desaix et al
Optics Communications. Vol. 273, p. 272-277
Journal article
2006

Suppression of Phase Error in Differential Phase-Shift Keying Data by Amplitude Regeneration

Pontus Johannisson, Göran Adolfsson, Magnus Karlsson
Optics Letters. Vol. 31 (10), p. 1385-1387
Journal article
2005

Characterization of a Self-Phase-Modulation-Based All-Optical Regeneration System

Pontus Johannisson, Magnus Karlsson
IEEE Photonics Technology Letters. Vol. 17 (12), p. 2667-2669
Journal article
2004

Non-local effects in high-energy charged particle beams

Pontus Johannisson, Dan Anderson, Mietek Lisak et al
Phys. Review E. Vol. 69, p. 6650-
Journal article

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