| 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: | 102 (Dimensions.ai - last update: 14/4/2024)
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. Related Research Topics
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