Multiband processing of multimode light: combining 3D photonic lanterns with waveguide Bragg gratings
Abstract
The first demonstration of narrowband spectral filtering of multimode light on a 3D integrated photonic chip using photonic lanterns and waveguide Bragg gratings is reported. The photonic lanterns with multi-notch waveguide Bragg gratings were fabricated using the femtosecond direct-write technique in boro-aluminosilicate glass (Corning, Eagle 2000). Transmission dips of up to 5 dB were measured in both photonic lanterns and reference single-mode waveguides with 10.4-mm-long gratings. The result demonstrates efficient and symmetrical performance of each of the gratings in the photonic lantern. Such devices will be beneficial to space-division multiplexed communication systems as well as for units for astronomical instrumentation for suppression of the atmospheric telluric emission from OH lines.
Cite
@article{arxiv.1311.0549,
title = {Multiband processing of multimode light: combining 3D photonic lanterns with waveguide Bragg gratings},
author = {Izabela Spaleniak and Simon Gross and Nemanja Jovanovic and Robert J. Williams and Jon S. Lawrence and Michael J. Ireland and Michael J. Withford},
journal= {arXiv preprint arXiv:1311.0549},
year = {2016}
}
Comments
5 pages, 4 figures, accepted to Laser & Photonics Reviews