| Authors: | K. Van Acoleyen, W. Bogaerts, J. Jagerska, N. Le Thomas, R. Houdre, R. Baets | | Title: | Off-chip beam steering with a one-dimensional optical phased array on silicon-on-insulator | | Format: | International Journal | | Publication date: | 5/2009 | | Journal/Conference/Book: | Optics Letters
| | Volume(Issue): | 34(9) p.1477-1479 | | DOI: | 10.1364/ol.34.001477 | | Citations: | 282 (Dimensions.ai - last update: 21/4/2024)
112 (OpenCitations - last update: 3/5/2024)
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Abstract
Optical phased arrays are versatile components enabling rapid and precise beam steering. An integrated approach is followed in which a 1D optical phased array is fabricated on silicon-on-insulator. The optical phased array consists of 16 parallel grating couplers spaced 2 um apart. Steering in one direction is done thermo-optically by means of a titanium electrode on top of the structure using the phased array principle, while steering in the other direction is accomplished by wavelength tuning. At a wavelength of 1550 nm, continuous thermo-optical steering of 2.3° and wavelength steering of 14.1° is reported. Related Research Topics
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