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On-chip optical true time delay lines featuring one-dimensional fishbone photonic crystal waveguide
Applied Physics Letters ( IF 4 ) Pub Date : 2018-02-12 , DOI: 10.1063/1.5006188
Chi-Jui Chung 1 , Xiaochuan Xu 2 , Gencheng Wang 1 , Zeyu Pan 1 , Ray T. Chen 1, 2
Affiliation  

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.

中文翻译:

具有一维鱼骨光子晶体波导的片上光学真实时间延迟线

在本文中,我们提出了基于慢光一维 (1D) 鱼骨光子晶体波导 (FPCW) 的片上光学真实时间延迟线。结构慢光是通过调制具有沿传播方向周期性排列的侧壁的折射率引导光模产生的。由于与粗糙蚀刻表面的模式重叠减少,与二维光子晶体波导相比,一维 FPCW 的传播损耗显着降低。实验观察到 65 ps/mm 的延迟时间。
更新日期:2018-02-12
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