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Authors: K. Van Acoleyen, E.M.P. Ryckeboer, W. Bogaerts, R. Baets
Title: Efficient Light Collection and Direction-Of-Arrival Estimation using a Photonic Integrated Circuit
Format: International Journal
Publication date: 1/2012
Journal/Conference/Book: IEEE Photonics Technology Letters
Volume(Issue): 24(11) p.933-935
DOI: 10.1109/lpt.2012.2191148
Citations: 3 (Dimensions.ai - last update: 24/3/2024)
2 (OpenCitations - last update: 3/5/2024)
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Abstract

Efficient collection of light into a photonic integrated circuit is becoming increasingly important. To couple light from free-space into an integrated circuit, one needs to efficiently guide it into a photonic wire. By using multiple light capturing elements and tuning their respective phases, it is possible to efficiently guide light into a single mode waveguide, even when the phase front is distorted. Using a similar approach, a Direction-Of-Arrival estimation is also performed. This is useful in free-space optical links or wavefront analysis. A 16 element integrated structure that performs these functions is presented here. Increasing the number of elements and downscaling the size will further improve the performance.

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