The convergence of microwave photonic and optical wireless systems with military communication and sensor systems

DeSalvo, Richard; Middleton, Charles; Grafer, Elliott; Cramer, Alex; Anzalone, Kevin; Soto, Elias; Devenport, Brandon

doi:10.1109/avfop.2016.7789930

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Cited by 3 publications

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“…However, conventional electrical phase shifters intrinsically have a narrow bandwidth, which significantly deteriorates the performance of microwave systems. For example, phased array antenna (PAA) 1 is an intriguing technology for high performance communication and radar systems for both civilian 2 and military applications 3 because of the high directivity and fast steering capability. The array is composed of multiple sets of antenna units with their own phase shifters.…”

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confidence: 99%

On-chip optical true time delay lines featuring one-dimensional fishbone photonic crystal waveguide

Chung

Wang

et al. 2018

Applied Physics Letters

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In this paper, we present on-chip optical true time delay lines based on slow light one-dimensional (1D) fishbone photonic crystal waveguides (FPCWs). The structural slow light is generated by modulating the index guided optical mode with periodically arranged sidewalls along the propagation direction. Due to the reduced mode overlap with the rough etched surface, the propagation loss of the 1D FPCW is significantly reduced compared to the two-dimensional photonic crystal waveguide. A delay time of 65 ps/mm is observed experimentally.

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confidence: 99%