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Authors: K. Van Acoleyen, W. Bogaerts, R. Baets
Title: Two-dimensional Dispersive Off-chip Beam Scanner Fabricated on Silicon-On-Insulator
Format: International Journal
Publication date: 6/2011
Journal/Conference/Book: IEEE Photonics Technology Letters
Volume(Issue): 23(17) p.1270-1272
DOI: 10.1109/LPT.2011.2159785
Citations: 109 (Dimensions.ai - last update: 8/12/2024)
39 (OpenCitations - last update: 3/5/2024)
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Abstract

One of the key elements in optical wireless applications such as laser scanning and writing is beam steering. While beam steering can be done actively using mirrors or liquid crystals, we have taken a passive approach to steer a beam in two dimensions by wavelength tuning. Therefore, we have fabricated an integrated two-dimensional beam steerer using silicon-on-insulator. The beam width is around 4.0° and can be steered in a range of 15°x50° for a wavelength shift of 100nm. The beam width and range can be further optimized by changing the grating structure and size of the component.

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