Characterization of space-division multiplexing systems using a swept-wavelength interferometer. - Nicolas K. Fontaine; Roland Ryf; Miquel A. Mestre; Binbin Guan; Xavi Palou; Sebastian Randel; Yi Sun; Lars Grüner-Nielsen; Rasmus V. Jensen; Robert Lingle (OFC/NFOEC, 2013)

32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber. - Roland Ryf; Sebastian Randel; Nicolas K. Fontaine; M. Montoliu; Ellsworth Burrows; Stephen Corteselli; Sethumadhavan Chandrasekhar; Alan H. Gnauck; Chongjin Xie; René-Jean Essiambre; Peter J. Winzer; R. Delbue; et al. (OFC/NFOEC, 2013)

41.6 Tb/s C-band SDM OFDM transmission through 12 spatial and polarization modes over 74.17 km few mode fiber. - Yong Chen 015; Adriana Lobato; Yongmin Jung; Haoshuo Chen; Rasmus V. Jensen; Yan Sun; Lars Gruner-Nielsen; David J. Richardson; Vincent A. J. M. Sleiffer; Maxim Kuschnerov; Nicolas K. Fontaine; Roland Ryf; et al. (ECOC, 2014)

Polarization maintaining dispersion compensating fiber. - Lars Gruner-Nielsen; Tommy Geisler; John M. Fini; Man F. Yan; Patrick W. Wisk; Brian J. Mangan; Eric M. Monberg (ECOC, 2014)

Splicing of few mode fibers. - Lars Gruner-Nielsen; Yi Sun; Rasmus V. Jensen; Jeffrey W. Nicholson; Robert Lingle (ECOC, 2014)

Nonlinear fiber designs with intrinsically low dispersion variations. - John Michael Fini; Lars Gruner-Nielsen (OFC, 2014)

Ultra-high capacity transmission with few-mode silica and hollow-core photonic bandgap fibers. - Vincent A. J. M. Sleiffer; Paolo Leoni; Yongmin Jung; H. Chen; Maxim Kuschnerov; Shaif-Ul Alam; Marco N. Petrovich; Francesco Poletti; Natalie V. Wheeler; Naveen K. Baddela; John R. Hayes; E. Numkam Fokoua; et al. (OFC, 2014)

Dynamic Mode Group Equalization Filter and Variable Optical Attenuator for few mode fibers. - Israel Weiss; Jonathan Gerufi; David Sinefeld; Miri Blau; Moran Bin-Nun; Robert Lingle; Lars Gruner-Nielsen; Dan M. Marom (OFC, 2014)

72-Tb/s transmission over 179-km all-fiber 6-mode span with two cladding pumped in-line amplifiers. - Roland Ryf; Nicolas K. Fontaine; Haoshuo Chen; Alan H. Gnauck; Yongmin Jung; Qiongyue Kang; J. K. Sahu; Shaif-Ul Alam; David J. Richardson; Yan Sun; X. Jiang; Lars Grüner-Nielsen; et al. (ECOC, 2015)

30×30 MIMO transmission over 15 spatial modes. - Nicolas K. Fontaine; Roland Ryf; Haoshuo Chen; Amado M. Velazquez-Benitez; Jose Enrique Antonio-Lopez; Rodrigo Amezcua Correa; Binbin Guan; Burcu Ercan; Ryan P. Scott; S. J. Ben Yoo; Lars Gruner-Nielsen; Yi Sun; et al. (OFC, 2015)

Recent advances in low DGD few-mode fiber design, fabrication, characterization and experiments. - Lars Gruner-Nielsen; Yi Sun; Rasmus V. Jensen; Jeffrey W. Nicholson; Robert Lingle (OFC, 2015)

Demonstration of a 9 LP-mode transmission fiber with low DMD and loss. - Rasmus Vincentz Jensen; Lars Gruner-Nielsen; Nicholas Heng-Loong Wong; Yi Sun; Yongmin Jung; David J. Richardson (OFC, 2015)

Brillouin Gain Spectra of Few Mode Fibres. - Lars Gruner-Nielsen; Soren Herstrom (ECOC, 2017)

Characterization of Spectral Magnification based on Four-Wave Mixing in Nonlinear Fibre for Advanced Modulation Formats. - Mads Lillieholm; Bill Corcoran; Michael Galili; Lars Gruner-Nielsen; Leif K. Oxenløwe; Arthur James Lowery (ECOC, 2017)

Polarization Insensitive Wavelength Conversion in a Few Mode Fibre. - Francesca Parmigiani; Massimiliano Guasoni; Omar F. Anjum; Peter Horák; Yongmin Jung; Lars Gruner-Nielsen; Periklis Petropoulos; David J. Richardson (ECOC, 2017)

C- to L-band wavelength conversion enabled by parametric processes in a few mode fiber. - Francesca Parmigiani; Yongmin Jung; Peter Horák; Lars Gruner-Nielsen; Tommy Geisler; Periklis Petropoulos; David J. Richardson (OFC, 2017)

Improved SBS Limited Parametric Conversion by Use of Few-Mode Fibers. - Neethu Mariam Mathew; Erik N. Christensen; Lars Gruner-Nielsen; Karsten Rottwitt (ECOC, 2018)

A Novel Fabrication Method for Photonic Lanterns. - Neethu Mariam Mathew; Lars Gruner-Nielsen; Mario A. Usuga Castaneda; Karsten Rottwitt (OFC, 2018)

Direct Measurement of Polarization Dependency of Mode Conversion in a Long Period Grating. - Lars Gruner-Nielsen; Neethu Mariam Mathew; Karsten Rottwitt (OFC, 2019)

Polarization Dependence of Mode-Group Selective Air-Clad Photonic Lantern. - Neethu Mariam Mathew; Lars Gruner-Nielsen; Michael Galili; Mads Lillieholm; Mario A. Usuga Castaneda; Karsten Rottwitt (OFC, 2019)

Intermodal Raman Scattering between Orbital Angular Momentum Modes in Optical Fibers. - Karsten Rottwitt; Neethu Mariam Mathew; Lars Grüner-Nielsen; Lars Rishøj (ICTON, 2020)

Mode Division Multiplexing on Standard 50/125 µm Multi Mode Fiber using Photonic Lanterns. - Lars Grüner-Nielsen; Neethu Mariam Mathew; Magnus Hornhaver Nymann; Mads Lillieholm; Michael Galili; Karsten Rottwitt (OFC, 2021)

Capacity and Achievable Rates of Fading Few-mode MIMO IM/DD Optical Fiber Channels. - Metodi P. Yankov; Francesco Da Ros; Søren Forchhammer; Lars Grüner-Nielsen (ICC, 2022)

Photonic-Lantern-Based MDM Devices. - Lars Grüner-Nielsen; Neethu Mariam Mathew; Michael Galili; Lars Søgaard Rishøj; Karsten Rottwitt (OFC, 2023)

Detrimental effects in four wave mixing. - Karsten Rottwitt; Thjalfe Ulvenberg; Lars Søgaard Rishøj; Jacob Gade Koefoed; Lars Grüner-Nielsen (ICTON, 2024)

Repeaterless Brillouin OTDR Sensing over 250 km using Erbium doped Fiber Amplifier. - Neethu Mariam Mathew; Mads Holmark Vandborg; Jesper Bjerge Christensen; Zepeng Wang; Lars Grüner-Nielsen; Lars Søgaard Rishøj; Benjamin Marx; M. Ali Allousch; Tommy Geisler; Mikael Lassen; Karsten Rottwitt (OFC, 2024)

Repeaterless Brillouin OTDR Sensing. - Neethu Mariam Mathew; Mads Holmark Vandborg; Jesper Bjerge Christensen; Zepeng Wang; Lars Grüner-Nielsen; Lars Søgaard Rishøj; Roger Crickmore; Thibault North; Tommy Geisler; Mikael Lassen; Karsten Rottwitt (OFC, 2025)