Multiwavelength optical beam forming network with ring resonator-based binary-tree architecture for broadband phased array antenna systems


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Burla, M. and Khan, M.R.H. and Zhuang, L. and Roeloffzen, C.G.H. (2008) Multiwavelength optical beam forming network with ring resonator-based binary-tree architecture for broadband phased array antenna systems. In: IEEE/LEOS Benelux Symposium, 27-28 Nov 2008, Enschede (pp. pp. 99-102).

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Abstract:Integrated optical beam forming networks (OBFNs) offer many advantages for phased array applications. ORR-based true-time-delay units can be cascaded in a binary tree topology and tuned for continuously-adjustable broadband time delay. Nonetheless, with large number of antenna elements, the OBFN may become very complex. A novel idea is proposed to exploit the frequency periodicity of the ORRs and the WDM technique to achieve multiple-signal-paths on a single beamformer, thus reducing complexity and costs. The use of high index contrast waveguides in Si-compatible technology further reduces chip footprint and allows the use of integrated OBFNs for large arrays and multi-beam applications.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/65385
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