collaborators

5 papers

astro-ph.IM2026

All-Fiber Broadband Wavelength-Division Multiplexing using Heterogeneous Photonic Lanterns

Abani Shankar Nayak, Julius Goehring, Martin M. Roth +1

This work presents an all-fiber broadband wavelength-division multiplexing architecture using 1x7 heterogeneous photonic lanterns (PLs), specifically PL-(6+1) and PL-(4+3). By comb…

astro-ph.IM2026

Towards High-Throughput Visible Photonic Lanterns for the EMARCOT Project

Abani Shankar Nayak, Julius Goehring, Marina Centenera-Merino +14

Photonic EMARCOT is an innovative project involving Spanish, German and Australian research institutes that aims to integrate multiple Optical Tube Assemblies (OTAs) using photonic…

astro-ph.IM2026

Demonstration of a multimode-to-multimode photonic lantern for astronomy

Marina Centenera-Merino, Andrew Ross-Adams, Christopher Betters +14

Photonic lanterns have been widely used in astronomy as low-loss multiplexing devices, typically coupling light from a multimode input into several single-mode outputs. In this wor…

astro-ph.IM2026

Validation and extension of the PAWS Zemax model as a first step in the development of a Compact Arrayed Waveguide Stacked Multi-Object Spectrograph (CAWSMOS)

Fabienne Mangelsdorff, Andreas Stoll, Lars Zimmermann +4

The linear size of a bulk optical astronomical spectrograph scales with the diameter of the primary mirror of the corresponding telescope. As modern telescopes continue to increase…

physics.optics2023

The Potsdam astroComb (POCO) Part I: Mode crossing effect in feedback resonators

Daniel Bodenmüller, Kalaga Madhav, Martin Roth

We investigate theoretically and experimentally the mode interaction in an integrated Silicon Nitride (Si3N4) microring resonator with interferometric coupling realized by a feedba…