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12 December 2003 Photonic delay line architecture using MEMS-based photonic switch
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Photonic true time delay is very important for phased array antenna applications. The conventional photonic delay line architectures have very high insertion loss. Therefore, the deployment of these photonic delay lines for phased array antennas is not cost effective. In this paper, we will review and compare the performance of different fiber optic photonic delay line architectures. To explore the application of MEMS mirror for photonic true time delay, a multi-base photonic delay line architecture is employed because this architecture has the potential to exhibit ultra-low loss for large binary bit photonic delay. Approaches to implement this photonic delay line architecture based on optical MEMS mirror technology have been proposed and theoretically analyzed. The proposed photonic delay line approaches may provide an ultra-low loss, module, low cost, and deployable photonic delay line for phased array beam forming applications.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shifu Yuan "Photonic delay line architecture using MEMS-based photonic switch", Proc. SPIE 5201, Photonic Devices and Algorithms for Computing V, (12 December 2003);

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