What is it about?
Mode mismatch is an important source of losses in connecting optical waveguides. This is especially the case when connecting micrometer-scale waveguides on photonic integrated circuits with optical fibers having a core of about 10 micrometers. We propose the use of mode conversion tapers that can be printed directly on the tips of optical fibers to achieve a high-efficiency interface.
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Why is it important?
Low loss and robust interfacing is key to enable wide deployment of photonic integrated circuits. This research contributes to achieving a low-loss interface (by tailoring the size of the taper) as well as a robust interface (by allowing physical contact connections as opposed to lensed fibers typically used for this).
Perspectives
We believe that our research will contribute strongly to the widespread deployment of photonic integrated circuits.
Prof Jurgen Van Erps
Vrije Universiteit Brussel
Read the Original
This page is a summary of: Mode-field Matching Down-Tapers on Single-Mode Optical Fibers for Edge Coupling Towards Generic Photonic Integrated Circuit Platforms, Journal of Lightwave Technology, September 2020, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/jlt.2020.2997090.
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