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)

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

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)