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ORCIDChigo Okonkwo
Chigo M. Okonkwo
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2020 – today
- 2024
[j4]Benjamin J. Puttnam
, Ruben S. Luis, Daniele Orsuti, Georg Rademacher, Giammarco Di Sciullo, Menno van den Hout, Jun Sakaguchi, Cristian Antonelli, Chigo Okonkwo, Luca Palmieri, Hideaki Furukawa:
Experimental demonstration of a multi-core fiber seeded comb optical network (MCF-SCON). J. Opt. Commun. Netw. 16(7): 69- (2024)- [c76]João dos Reis Frazão, Vincent van Vliet, Sjoerd van der Heide, Menno van den Hout, Kadir Gümüs, Aaron Albores-Mejia, Boris Skoric, Chigo Okonkwo:
Co-propagation of Classical and Continuous-variable QKD Signals over a Turbulent Optical Channel with a Real-time QKD Receiver. OFC 2024: 1-3 - [c75]Kadir Gümüs, João dos Reis Frazão, Vincent van Vliet, Sjoerd van der Heide, Menno van den Hout, Aaron Albores-Mejia, Thomas Bradley, Chigo Okonkwo:
Adaptive Reconciliation for Experimental Continuous-Variable Quantum Key Distribution Over a Turbulent Free-Space Optical Channel. OFC 2024: 1-3 - [c74]Menno van den Hout, Ruby S. B. Ospina, Ruben S. Luís, Benjamin J. Puttnam, Giammarco Di Sciullo, Tetsuya Hayashi, Ayumi Inoue, Takuji Nagashima, Simon Gross, Andrew Ross-Adams, Michael J. Withford, Jun Sakaguchi, Darli A. A. Mello, Cristian Antonelli, Hideaki Furukawa, Chigo Okonkwo, Georg Rademacher:
Experimental Analysis of Receiver Failure For 19-Core Randomly Coupled Core Fibre Transmission. OFC 2024: 1-3 - [c73]Benjamin J. Puttnam, Daniele Orsuti, Ruben S. Luis, Manuel S. Neves, Menno van den Hout, Giammarco Di Sciullo, Georg Rademacher, Jun Sakaguchi, Cristian Antonelli, Chigo Okonkwo, Luca Palmieri, Hideaki Furukawa:
Wideband S, C,+ L-Band Comb Regeneration in Large-Scale Few-Mode MCF Link with Single-Mode Seed Channel. OFC 2024: 1-3 - [c72]Giammarco Di Sciullo, Benjamin J. Puttnam, Menno van den Hout, Ruben S. Luís, Divya A. Shaji, Georg Rademacher, Chigo Okonkwo, Antonio Mecozzi, Cristian Antonelli, Hideaki Furukawa:
45.7 Tb/s over 12 053 km Transmission with an All-Multi-Core Recirculating-Loop 4-Core-Fiber System. OFC 2024: 1-3 - 2023
- [c71]Sjoerd van der Heide, João dos Reis Frazão, Aaron Albores-Mejia, Chigo Okonkwo:
Receiver Noise Stability Calibration for CV-QKD. OFC 2023: 1-3 - [c70]Menno van den Hout, Giammarco Di Sciullo, Georg Rademacher, Ruben S. Luís, Benjamin J. Puttnam, Nicolas K. Fontaine, Roland Ryf, Haoshuo Chen, Mikael Mazur, David T. Neilson, Pierre Sillard, Frank Achten, Jun Sakaguchi, Cristian Antonelli, Chigo Okonkwo, Hideaki Furukawa:
273.6 Tb/s Transmission Over 1001 km of 15-Mode Fiber Using 16-QAM C-Band Signals. OFC 2023: 1-3 - [c69]Georg Rademacher, Menno van den Hout, Ruben S. Luís, Benjamin J. Puttnam, Giammarco Di Sciullo, Tetsuya Hayashi, Ayumi Inoue, Takuji Nagashima, Simon Gross, Andrew Ross-Adams, Michael J. Withford, Jun Sakaguchi, Cristian Antonelli, Chigo Okonkwo, Hideaki Furukawa:
Randomly Coupled 19-Core Multi-Core Fiber with Standard Cladding Diameter. OFC 2023: 1-3 - [i14]Kadir Gümüs, Bin Chen, Thomas Bradley, Chigo Okonkwo:
A Simplified Method for Optimising Geometrically Shaped Constellations of Higher Dimensionality. CoRR abs/2307.05179 (2023) - [i13]Kadir Gümüs, João dos Reis Frazão, Vincent van Vliet, Sjoerd van der Heide, Menno van den Hout, Aaron Albores-Mejia, Thomas Bradley, Chigo Okonkwo:
Adaptive Reconciliation for Experimental Continuous-Variable Quantum Key Distribution Over a Turbulent Free-Space Optical Channel. CoRR abs/2312.13835 (2023) - 2022
- [c68]Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo M. Okonkwo, Frans M. J. Willems:
Mitigating Nonlinear Interference by Limiting Energy Variations in Sphere Shaping. OFC 2022: 1-3 - [c67]Sjoerd van der Heide, Bram van Esch, Menno van den Hout, Thomas Bradley, Amado M. Velazquez-Benitez, Nicolas K. Fontaine, Roland Ryf, Haoshuo Chen, Mikael Mazur, Jose Enrique Antonio-López, Juan Carlos Alvarado-Zacarias, Rodrigo Amezcua Correa, Chigo Okonkwo:
Optical Field Characterization using Off-axis Digital Holography. OFC 2022: 1-3 - [c66]Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Alex Alvarado:
On Optimum Enumerative Sphere Shaping Blocklength at Different Symbol Rates for the Nonlinear Fiber Channel. OECC/PSC 2022: 1-3 - [c65]Sjoerd van der Heide, Ruben S. Luis, Benjamin J. Puttnam, Georg Rademacher, Ton Koonen, Satoshi Shinada, Yoshinari Awaji, Hideaki Furukawa, Chigo Okonkwo:
Real-time transmission using a GPU-based Kramers-Kronig coherent receiver. OECC/PSC 2022: 1-3 - [c64]Ruben S. Luis, Sjoerd van der Heide, Georg Rademacher, Benjamin J. Puttnam, Chigo Okonkwo, Hideaki Furukawa:
Overview of GPU-Based Real-Time Receivers Using Kramers-Kronig Coherent Detection. OECC/PSC 2022: 1-3 - [i12]Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Alex Alvarado:
On Optimum Enumerative Sphere Shaping Blocklength at Different Symbol Rates for the Nonlinear Fiber Channel. CoRR abs/2207.04096 (2022) - 2021
- [c63]Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo M. Okonkwo, Frans M. J. Willems:
On Kurtosis-limited Enumerative Sphere Shaping for Reach Increase in Single-span Systems. ECOC 2021: 1-4 - [c62]Menno van den Hout, Sjoerd van der Heide, Ali Mefleh, Chigo Okonkwo:
Extending White Gaussian Noise Capacity Estimation Method with Probabilistic Constellation Shaping. ECOC 2021: 1-4 - [c61]Chigo Okonkwo, Menno van den Hout, Sjoerd van der Heide, John van Weerdenburg:
Fibre device estimation techniques for SDM transmission. ECOC 2021: 1-4 - [c60]Sjoerd van der Heide, Ruben S. Luis, Benjamin J. Puttnam, Georg Rademacher, Ton Koonen, Satoshi Shinada, Yoshinari Awaji, Hideaki Furukawa, Chigo Okonkwo:
10, 000 km Straight-line Transmission using a Real-time Software-defined GPU-Based Receiver. OFC 2021: 1-3 - [c59]Menno van den Hout, Sjoerd van der Heide, Chigo Okonkwo:
Kramers-Kronig Receiver Combined With Digital Resolution Enhancer. OFC 2021: 1-3 - [c58]Ruby S. B. Ospina, Menno van den Hout, Sjoerd van der Heide, Chigo Okonkwo, Darli A. A. Mello:
Neural-network-based MDG and Optical SNR Estimation in SDM Transmission. OFC 2021: 1-3 - [i11]Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo M. Okonkwo, Frans M. J. Willems:
On Kurtosis-limited Enumerative Sphere Shaping for Reach Increase in Single-span Systems. CoRR abs/2108.10080 (2021) - [i10]Bin Chen, Wei Ling, Yunus Can Gültekin, Yi Lei, Chigo Okonkwo, Alex Alvarado:
Low-Complexity Geometrical Shaping for 4D Modulation Formats via Amplitude Coding. CoRR abs/2110.15560 (2021) - 2020
- [j3]Bin Chen, Yi Lei, Gabriele Liga, Chigo Okonkwo, Alex Alvarado:
Hard-Decision Coded Modulation for High-Throughput Short-Reach Optical Interconnect. Entropy 22(4): 400 (2020) - [c57]Bin Chen, Chigo Okonkwo, Alex Alvarado:
Nonlinear Interference Analysis of Probabilistic Shaping vs. 4D Geometrically Shaped Formats. ECOC 2020: 1-4 - [c56]Sjoerd van der Heide, Rutger van Anrooij, Menno van den Hout, Nicolas K. Fontaine, Roland Ryf, Haoshuo Chen, Mikael Mazur, Jose Enrique Antonio-Lopez, Juan Carlos Alvarado-Zacarias, Ton Koonen, Rodrigo Amezcua Correa, Chigo Okonkwo:
Exploiting Angular Multiplexing for Polarization-diversity in Off-axis Digital Holography. ECOC 2020: 1-4 - [c55]Sjoerd van der Heide, Ruben S. Luis, Benjamin J. Puttnam, Georg Rademacher, Ton Koonen, Satoshi Shinada, Yoshinari Awaji, Chigo Okonkwo, Hideaki Furukawa:
Real-time, Software-Defined, GPU-Based Receiver Field Trial. ECOC 2020: 1-4 - [c54]Menno van den Hout, Sjoerd van der Heide, John van Weerdenburg, Marianne Bigot-Astruc, Adrian Amezcua Correa, Jose Enrique Antonio-Lopez, Juan Carlos Alvarado-Zacarias, Pierre Sillard, Rodrigo Amezcua Correa, Chigo Okonkwo:
1 Tbit/s/λ Transmission Over a 130 km Link Consisting of Graded-Index 50µm Core Multi-Mode Fiber and 6LP Few-Mode Fiber. ECOC 2020: 1-4 - [c53]Menno van den Hout, Ruby S. B. Ospina, Sjoerd van der Heide, Juan Carlos Alvarado-Zacarias, Jose Enrique Antonio-Lopez, Marianne Bigot-Astruc, Adrian Amezcua Correa, Pierre Sillard, Rodrigo Amezcua Correa, Darli A. A. Mello, Chigo Okonkwo:
Experimental validation of MDL emulation and estimation techniques for SDM transmission systems. ECOC 2020: 1-4 - [c52]Juan Carlos Alvarado-Zacarias, Nicolas K. Fontaine, Roland Ryf, Haoshuo Chen, Sjoerd van der Heide, Jose Enrique Antonio-Lopez, Steffen Wittek, Guifang Li, Chigo Okonkwo, Marianne Bigot-Astruc, Adrian Amezcua Correa, Pierre Sillard, Rodrigo Amezcua Correa:
Assembly and Characterization of a Multimode EDFA using Digital Holography. OFC 2020: 1-3 - [c51]Sjoerd van der Heide, Juan Carlos Alvarado-Zacarias, Nicolas K. Fontaine, Roland Ryf, Haoshuo Chen, Rodrigo Amezcua Correa, Ton Koonen, Chigo Okonkwo:
Low-Loss Low-MDL Core Multiplexer for 3-Core Coupled-Core Multi-Core Fiber. OFC 2020: 1-3 - [c50]Ruby S. B. Ospina, Chigo Okonkwo, Darli A. A. Mello:
DSP-Based Mode-Dependent Loss and Gain Estimation in Coupled SDM Transmission. OFC 2020: 1-3 - [i9]Bin Chen, Alex Alvarado, Sjoerd van der Heide, Menno van den Hout, Hartmut Hafermann, Chigo Okonkwo:
Analysis and Experimental Demonstration of Orthant-Symmetric Four-dimensional 7 bit/4D-sym Modulation for Optical Fiber Communication. CoRR abs/2003.12712 (2020) - [i8]Bin Chen, Chigo Okonkwo, Alex Alvarado:
Nonlinear Interference Analysis of Probabilistic Shaping vs. 4D Geometrically Shaped Formats. CoRR abs/2010.08981 (2020)
2010 – 2019
- 2019
- [c49]Anuar de Jesus Fernandez Olvera, Álvaro Morales, Yunfeng Dong, Dimitrios Konstantiouv, Simon Rommel, Tom Johansen, Chigo Okonkwo, Idelfonso Tafur Monroy, Sascha Preu:
W-Band Heterodyne Wireless System with 2.3 GHz Intermediate Frequency Driven Entirely by ErAs: In(Al)GaAs Photoconductors. ICTON 2019: 1-3 - [c48]Thiago R. Raddo, Simon Rommel, Victor Land, Chigo Okonkwo, Idelfonso Tafur Monroy:
Quantum Data Encryption as a Service on Demand: Eindhoven QKD Network Testbed. ICTON 2019: 1-5 - [c47]Bin Chen, Yi Lei, Sjoerd van der Heide, John van Weerdenburg, Alex Alvarado, Chigo Okonkwo:
First Experimental Verification of Improved Decoding of Staircase Codes using Marked Bits. OFC 2019: 1-3 - [c46]Álvaro Morales, Dimitrios Konstantinou, Simon Rommel, Ulf Johannsen, Chigo Okonkwo, Idelfonso Tafur Monroy:
Physical-Layer Confidentiality by Chaotic Encoding in Radio-Over-Fiber Systems. OFC 2019: 1-3 - [c45]John van Weerdenburg, Simon Rommel, Jose Manuel Delgado Mendinueta, Werner Klaus, Jun Sakaguchi, Juan Jose Vegas Olmos, Ton Koonen, Yoshinari Awaji, Idelfonso Tafur Monroy, Chigo Okonkwo, Naoya Wada:
Chromatic Dispersion Analysis and Compensation in a Large Core-Count Few-Mode Multi-Core Fiber Based on Optical Vector Network Analysis. OFC 2019: 1-3 - [c44]Sebastiaan Goossens, Sjoerd van der Heide, Menno van den Hout, Abdelkerim Amari, Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Tadashi Ikeuchi, Frans M. J. Willems, Alex Alvarado, Chigo Okonkwo:
First Experimental Demonstration of Probabilistic Enumerative Sphere Shaping in Optical Fiber Communications. OECC/PSC 2019: 1-3 - [c43]Sjoerd van der Heide, Bin Chen, Menno van den Hout, Gabriele Liga, Ton Koonen, Hartmut Hafermann, Alex Alvarado, Chigo Okonkwo:
11, 700 km Transmission at 4.8 bit/4D-sym via Four-dimensional Geometrically-shaped Polarization-Ring-Switching Modulation. OECC/PSC 2019: 1-3 - [i7]Bin Chen, Chigo Okonkwo, Hartmut Hafermann, Alex Alvarado:
Polarization-ring-switching for nonlinearity-tolerant geometrically-shaped four-dimensional formats maximizing generalized mutual information. CoRR abs/1901.06878 (2019) - [i6]Abdelkerim Amari, Sebastiaan Goossens, Yunus Can Gultekin, Olga Vassilieva, Inwoong Kim, Tadashi Ikeuchi, Chigo Okonkwo, Frans M. J. Willems, Alex Alvarado:
Introducing Enumerative Sphere Shaping for Optical Communication Systems with Short Blocklengths. CoRR abs/1904.06601 (2019) - [i5]Abdelkerim Amari, Sebastiaan Goossens, Yunus Can Gultekin, Olga Vassilieva, Inwoong Kim, Tadashi Ikeuchi, Chigo Okonkwo, Frans M. J. Willems, Alex Alvarado:
Enumerative Sphere Shaping for Rate Adaptation and Reach Increase in WDM Transmission Systems. CoRR abs/1907.01881 (2019) - [i4]Sebastiaan Goossens, Sjoerd van der Heide, Menno van den Hout, Abdelkerim Amari, Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Tadashi Ikeuchi, Frans M. J. Willems, Alex Alvarado, Chigo Okonkwo:
First Experimental Demonstration of Probabilistic Enumerative Sphere Shaping in Optical Fiber Communications. CoRR abs/1908.00453 (2019) - [i3]Gabriele Liga, Bin Chen, Sjoerd van der Heide, Alireza Sheikh, Menno van den Hout, Chigo Okonkwo, Alex Alvarado:
30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Nonlinearity-tolerant 4D Modulation. CoRR abs/1912.13436 (2019) - 2018
- [c42]Bin Chen, Chigo Okonkwo, Hartmut Hafermann, Alex Alvarado:
Increasing Achievable Information Rates via Geometric Shaping. ECOC 2018: 1-3 - [c41]Sjoerd van der Heide, John van Weerdenburg, Marianne Bigot-Astruc, Adrian Amezcua Correa, Jose Antonio-Lopez, Juan Carlos Alvarado-Zacarias, Huug de Waardt, Ton Koonen, Pierre Sillard, Rodrigo Amezcua Correa, Chigo Okonkwo:
Single Carrier 1 Tbit/s Mode-Multiplexed Transmission Over Graded-Index 50µm Core Multi-Mode Fiber Employing Kramers-Kronig Receivers. ECOC 2018: 1-3 - [c40]Bin Chen, Chigo Okonkwo, Domaniç Lavery, Alex Alvarado:
Geometrically-shaped 64-point Constellations via Achievable Information Rates. ICTON 2018: 1-4 - [c39]Idelfonso Tafur Monroy, Thiago R. Raddo, Simon Rommel, Chigo Okonkwo, Nicola Calabretta, Ulf Johannsen, Gijs Dubbelman, Jesse Scholtes, Ben Rutten:
Testing Facilities for End-to-End Test of Vertical Applications Enabled by 5G Networks: Eindhoven 5G Brainport Testbed. ICTON 2018: 1-5 - [c38]Haoshuo Chen, Nicolas K. Fontaine, Roland Ryf, Juan Carlos Alvarado, John van Weerdenburg, Rodrigo Amezcua Correa, Chigo Okonkwo, Ton Koonen:
Optical Crosstalk Reduction using Amplified Spontaneous Emission (ASE). OFC 2018: 1-3 - [c37]Sjoerd van der Heide, Ton Koonen, Chigo Okonkwo:
Experimental Validation of a Channel Estimation Algorithm for Transmitter-side Digital Pre-compensation Filters. OFC 2018: 1-3 - [c36]Roland Ryf, John van Weerdenburg, Roberto A. Alvarez-Aguirre, Nicolas K. Fontaine, René-Jean Essiambre, Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Rodrigo Amezcua Correa, Ton Koonen, Chigo Okonkwo:
White Gaussian Noise Based Capacity Estimate and Characterization of Fiber-Optic Links. OFC 2018: 1-3 - [c35]John van Weerdenburg, Roland Ryf, Roberto A. Alvarez-Aguirre, Nicolas K. Fontaine, René-Jean Essiambre, Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Rodrigo Amezcua Correa, Simon Gross, Nicolas Riesen, Michael J. Withford, David W. Peckham, Alan McCurdy, Robert Lingle, Ton Koonen, Chigo Okonkwo:
Mode-Multiplexed 16-QAM Transmission over 2400-km Large-Effective-Area Depressed-Cladding 3-Mode Fiber. OFC 2018: 1-3 - [i2]Bin Chen, Chigo Okonkwo, Hartmut Hafermann, Alex Alvarado:
Increasing Achievable Information Rates via Geometric Shaping. CoRR abs/1804.08850 (2018) - 2017
- [c34]Aaron Albores-Mejia, Sjoerd van der Heide, Muhammad Usman Sadiq, Saeed Tahvili, Chigo Okonkwo, Boudewijn Docter:
112-Gbit/sλ PAM4 Transmission enabled by a Negatively-Chirped InP-MZ Modulator. ECOC 2017: 1-3 - [c33]Nicolas K. Fontaine, Haoshuo Chen, Roland Ryf, David T. Neilson, Juan Carlos Alvarado, John van Weerdenburg, Rodrigo Amezcua Correa, Chigo Okonkwo, Joel Carpenter:
Programmable Vector Mode Multiplexer. ECOC 2017: 1-3 - [c32]Fausto Gomez-Agis, Sjoerd van der Heide, Chigo M. Okonkwo, Eduward Tangdiongga, Antonius M. J. Koonen:
112 Gbit/s Transmission in a 2D Beam Steering AWG-Based Optical Wireless Communication System. ECOC 2017: 1-3 - [c31]Sjoerd van der Heide, Aaron Albores-Mejia, Fausto Gomez-Agis, Boudewijn Docter, Chigo Okonkwo:
112-Gbit/s Single Side-Band PAM-4 Transmission over Inter-DCI Distances Without DCF Enabled by Low-complexity DSP. ECOC 2017: 1-3 - [c30]Talha Rahman, Bernhard Spinnler, Stefano Calabrò, Erik De Man, Antonio Napoli, Bernd Sommerkorn-Krombholz, Antonius M. J. Koonen, Chigo M. Okonkwo, Huug de Waardt:
Flexible Data-rate and Reach Transmission Employing Hybrid Modulation and Scrambled Coherent Superposition. ECOC 2017: 1-3 - [c29]John van Weerdenburg, Roland Ryf, Juan Carlos Alvarado-Zacarias, Roberto A. Alvarez-Aguirre, Nicolas K. Fontaine, Haoshuo Chen, Rodrigo Amezcua Correa, Ton Koonen, Chigo Okonkwo:
138 Tbit/s Transmission over 650 km Graded-Index 6-Mode Fiber. ECOC 2017: 1-3 - [c28]John van Weerdenburg, Alex Alvarado, Juan Carlos Alvarado-Zacarias, Jose Enrique Antonio-Lopez, J. H. Bonarius, D. Molin, Marianne Bigot-Astruc, Antonius M. J. Koonen, Adrian Amezcua Correa, Pierre Sillard, Rodrigo Amezcua Correa, Chigo M. Okonkwo:
Spatial pulse position modulation for multi-mode transmission systems. OFC 2017: 1-3 - 2016
- [c27]Zahoora Sanjabi Eznaveh, Jose Enrique Antonio-Lopez, Gisela Lopez-Galmiche, Jorge Rodríguez-Asomoza, Dennis Van Ras, Pierre Sillard, Axel Schülzgen, Chigo M. Okonkwo, Rodrigo Amezcua Correa:
Few mode multicore photonic lantern multiplexer. OFC 2016: 1-3 - [c26]Danish Rafique, Talha Rahman, Bernhard Spinnler, Erwan Pincemin, Stefano Calabrò, Erik De Man, Uwe Feiste, Juraj Slovak, Antonio Napoli, Claude Le Bouëtté, Jérémie Jauffrit, Sylvain Bordais, Ginni Khanna, Norbert Hanik, Chigo Okonkwo, Maxim Kuschnerov, Antonius M. J. Koonen, Christian Dourthe, Bruno Raguenes, Tomislav Drenski, Bernd Sommerkorn-Krombholz, Huug de Waardt, Marc Bohn:
Multi-flex field trial over 762km of G.652 SSMF using programmable modulation formats up to 64QAM. OFC 2016: 1-3 - [c25]Talha Rahman, Danish Rafique, Bernhard Spinnler, Marc Bohn, Antonio Napoli, Chigo M. Okonkwo, Huug de Waardt:
38.4Tb/s transmission of single-carrier serial line-rate 400Gb/s PM-64QAM over 328km for metro and data center interconnect applications. OFC 2016: 1-3 - [c24]Talha Rahman, Danish Rafique, Bernhard Spinnler, Antonio Napoli, Marc Bohn, Antonius M. J. Koonen, Chigo M. Okonkwo, Huug de Waardt:
Digital subcarrier multiplexed hybrid QAM for data-rate flexibility and ROADM filtering tolerance. OFC 2016: 1-3 - [c23]J. J. A. van Weerdenburg, A. M. Velazquez-Benitez, R. G. H. van Uden, Jose Enrique Antonio-Lopez, Pierre Sillard, D. Molin, Marianne Bigot-Astruc, Adrian Amezcua Correa, Frans M. Huijskens, Frank Achten, Huug de Waardt, Antonius M. J. Koonen, Rodrigo Amezcua Correa, Chigo M. Okonkwo:
10 Spatial mode transmission over 40km 50μm core diameter multimode fiber. OFC 2016: 1-3 - [c22]D. Yu, J. J. A. van Weerdenburg, Eric Sillekens, R. G. H. van Uden, M. Tang, D. Liu, A. M. Velazquez-Benitez, Pierre Sillard, D. Molin, Marianne Bigot-Astruc, Rodrigo Amezcua Correa, Huug de Waardt, Antonius M. J. Koonen, Songnian Fu, Chigo M. Okonkwo:
Trellis coded modulation transmission over 40km 6-LP mode fiber. OFC 2016: 1-3 - [i1]Eric Sillekens, Alex Alvarado, Chigo Okonkwo, Benn C. Thomsen:
An Experimental Comparison of Coded Modulation Strategies for 100 Gbit/s Transceivers. CoRR abs/1611.00263 (2016) - 2015
- [c21]Eric Sillekens, R. G. H. van Uden, J. J. A. van Weerdenburg, Maxim Kuschnerov, Huug de Waardt, Antonius M. J. Koonen, Chigo M. Okonkwo:
Experimental demonstration of 8 state Turbo Trellis coded modulation employing 8 phase shift keying. ECOC 2015: 1-3 - [c20]A. M. Velazquez-Benitez, Jose Enrique Antonio-Lopez, Juan Carlos Alvarado-Zacarias, Gisela Lopez-Galmiche, Pierre Sillard, Dennis Van Ras, Chigo Okonkwo, Haoshuo Chen, Roland Ryf, Nicolas K. Fontaine, Rodrigo Amezcua Correa:
Scaling the fabrication of higher order photonic lanterns using microstructured preforms. ECOC 2015: 1-3 - [c19]Jochem Verbist, Jing Zhang, Bart Moeneclaey, John van Weerdenburg, Roy van Uden, Chigo Okonkwo, Xin Yin, Johan Bauwelinck, Gunther Roelkens:
112 Gbit/s single-polarization silicon coherent receiver with hybrid-integrated BiCMOS linear TIA. ECOC 2015: 1-3 - [c18]J. J. A. van Weerdenburg, A. M. Velazquez-Benitez, R. G. H. van Uden, Pierre Sillard, Denis Molin, Adrian Amezcua Correa, Jose Enrique Antonio-Lopez, M. Kuschnerov, Frans M. Huijskens, Huug de Waardt, Antonius M. J. Koonen, Rodrigo Amezcua Correa, Chigo M. Okonkwo:
10 Spatial mode transmission over low differential mode group delay fibre employing all-fibre photonic lanterns. ECOC 2015: 1-3 - [c17]Talha Rahman, Adriana Lobato, Danish Rafique, Antonio Napoli, Marc Bohn, Chigo M. Okonkwo, Antonius M. J. Koonen, Huug de Waardt:
Long-haul WDM transmission of 1 Tb/s superchannel. ICTON 2015: 1-4 - [c16]A. M. Velazquez-Benitez, Juan Carlos Alvarado-Zacarias, Gisela Lopez-Galmiche, Jose Enrique Antonio-Lopez, Axel Schülzgen, Dennis Van Ras, Pierre Sillard, Chigo Okonkwo, Rodrigo Amezcua Correa:
Six spatial modes photonic lanterns. OFC 2015: 1-3 - 2014
- [c15]Talha Rahman, Antonio Napoli, Danish Rafique, Erik De Man, Marc Bohn, Chigo M. Okonkwo, Huug de Waardt:
Mitigation of filtering cascade penalties using spectral shaping in optical nodes. ECOC 2014: 1-3 - [c14]Talha Rahman, Danish Rafique, Antonio Napoli, E. de Man, Maxim Kuschnerov, Bernhard Spinnler, Marc Bohn, Chigo M. Okonkwo, Huug de Waardt:
FEC overhead optimization for long-haul transmission of PM-16QAM based 400Gb/s super-channel. ECOC 2014: 1-3 - [c13]Talha Rahman, Danish Rafique, Antonio Napoli, Erik De Man, Maxim Kuschnerov, Bernhard Spinnler, Marc Bohn, Chigo M. Okonkwo, Huug de Waardt:
Long-haul terabit transmission (2272km) employing digitally pre-distorted quad-carrier PM-16QAM super-channel. ECOC 2014: 1-3 - [c12]R. G. H. van Uden, Rodrigo Amezcua Correa, E. Antonio-Lopez, Frans M. Huijskens, Guifang Li, Axel Schülzgen, Huug de Waardt, Antonius M. J. Koonen, Chigo M. Okonkwo:
1 Km hole-assisted few-mode multi-core fiber 32QAM WDM transmission. ECOC 2014: 1-3 - [c11]Roy G. H. van Uden, Chigo M. Okonkwo, Roel H. G. van Uden, Hugo de Waardt, Antonius M. J. Koonen:
The impact of bit-width reduced MIMO equalization for few mode fiber transmission systems. ECOC 2014: 1-3 - [c10]R. G. H. van Uden, Chigo M. Okonkwo, Haoshuo Chen, Frans M. Huijskens, Huug de Waardt, Antonius M. J. Koonen:
First experimental demonstration of a time domain multiplexed SDM receiver for MIMO transmission systems. OFC 2014: 1-3 - [c9]R. G. H. van Uden, Chigo M. Okonkwo, Haoshuo Chen, Huug de Waardt, Antonius M. J. Koonen:
6×28GBaud 128-SP-QAM transmission over 41.7 km few-mode fiber with a 6×6 MIMO FDE. OFC 2014: 1-3 - [c8]R. G. H. van Uden, Chigo M. Okonkwo, Haoshuo Chen, Natalie V. Wheeler, Francesco Poletti, Marco N. Petrovich, David J. Richardson, Huug de Waardt, Antonius M. J. Koonen:
8.96Tb/s (32×28GBaud×32QAM) transmission over 0.95 km 19 cell hollow-core photonic bandgap fiber. OFC 2014: 1-3 - 2013
- [j2]Nguyen-Cac Tran, Chigo Okonkwo, Eduward Tangdiongga, Hyun-Do Jung, Ton Koonen:
Cyclic-Linked Flexibility: An Architectural Approach for Reconfigurable Optical WDM-TDM Access Networks. JOCN 5(6): 574-583 (2013) - [c7]Marc Bohn, Antonio Napoli, Antonio D'Errico, Giuseppe Ferraris, Matthias Gunkel, Felipe Jiménez, Juan Pedro Fernández-Palacios, Patricia Layec, George Zervas, Norberto Amaya Gonzalez, Dimitra Simeonidou, Johannes Karl Fischer, Markus Nölle, Colja Schubert, Nicola Sambo, Filippo Cugini, Piero Castoldi, Michela Svaluto Moreolo, Josep M. Fabrega, Chigo Okonkwo, Huug de Waardt:
Elastic optical networks: The vision of the ICT project IDEALIST. Future Network & Mobile Summit 2013: 1-9 - [c6]Zizheng Cao, Henricus P. A. van den Boom, M. Chen, Chigo M. Okonkwo, Shihuan Zou, Eduward Tangdiongga, L. Chen, Antonius M. J. Koonen:
Angle-of-arrival measurement of a microwave signal based on parallel optical delay detector with accuracy monitored. OFC/NFOEC 2013: 1-3 - [c5]Yan Shi, Chigo M. Okonkwo, Eduward Tangdiongga, Antonius M. J. Koonen:
Bi-directional ultra-wideband services over large-core POF-PON based home networks. OFC/NFOEC 2013: 1-3 - [c4]Vincent A. J. M. Sleiffer, Yongmin Jung, Paolo Leoni, Maxim Kuschnerov, Natalie V. Wheeler, Naveen K. Baddela, R. G. H. van Uden, Chigo M. Okonkwo, John R. Hayes, John P. Wooler, E. Numkam Fokoua, Radan Slavík, Francesco Poletti, Marco N. Petrovich, V. Veljanovski, Shaif-Ul Alam, David J. Richardson, Huug de Waardt:
30.7 Tb/s (96×320 Gb/s) DP-32QAM transmission over 19-cell Photonic Band Gap Fiber. OFC/NFOEC 2013: 1-3 - [c3]R. G. H. van Uden, Chigo M. Okonkwo, Vincent A. J. M. Sleiffer, H.-S. Chen, Maxim Kuschnerov, Huug de Waardt, Antonius M. J. Koonen:
Employing a single DPLL for joint carrier phase estimation in few-mode fiber transmission. OFC/NFOEC 2013: 1-3 - 2012
- [c2]Yan Shi, Chigo M. Okonkwo, Antonius M. J. Koonen, Eduward Tangdiongga:
Large-core plastic optical fibre based in-home optical networks. ONDM 2012: 1-5
2000 – 2009
- 2008
- [j1]Chigo Okonkwo, Raul C. Almeida Jr., Richard E. Martin, Kenneth M. Guild:
Performance analysis of an optical packet switch with shared parametric wavelength converters. IEEE Commun. Lett. 12(8): 596-598 (2008) - [c1]Shumao Ou, Kun Yang, Marcos Paredes-Farrera, Chigo Okonkwo, Kenneth M. Guild:
A control bridge to automate the convergence of Passive Optical Networks and IEEE 802.16 (WiMAX) wireless networks. BROADNETS 2008: 514-521
Coauthor Index
Jose Enrique Antonio-Lopez
aka: Jose Enrique Antonio-López
aka: Jose Enrique Antonio-López
Antonius M. J. Koonen
aka: Ton Koonen
aka: Ton Koonen
Huug de Waardt
aka: Hugo de Waardt
aka: Hugo de Waardt
John van Weerdenburg
aka: J. J. A. van Weerdenburg
aka: J. J. A. van Weerdenburg
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