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Electrostatically tunable MOEMS waveguide Bragg grating-based DWDM optical filter

机译:基于静电可调的MOEMS波导布拉格光栅DWDM光学滤波器

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摘要

An electrostatically actuated MEMS cantilever beam-based waveguide Bragg grating tunable optical filter has been designed and simulated. The tunable filter is obtained by shifting the reflected wavelength of the waveguide Bragg grating located on the electrostatically actuated cantilever beam. An approach to increasing the electrostatic actuation of the beam by having an electrode underneath the beam is used and a large wavelength tuning range for the optical filter is achieved. Dimensions of the device are chosen such that full-width-half-maximum is 0.75 nm, thus capable of filtering adjacent channels of the dense wavelength division multiplexing (DWDM) network. The filter has a tuning range of 10.65 nm (1552.52 to 1563.17 nm) providing add/drop functionality for 14 adjacent DWDM channels.
机译:设计并仿真了静电驱动的基于MEMS悬臂梁的波导布拉格光栅可调光学滤波器。通过移动位于静电驱动悬臂梁上的波导布拉格光栅的反射波长,可以获得可调滤波器。使用了一种通过在束的下方具有电极来增加束的静电致动的方法,并且实现了用于滤光器的大波长调谐范围。选择设备的尺寸,使得半峰最大宽度为0.75 nm,因此能够过滤密集波分复用(DWDM)网络的相邻通道。该滤光片的调谐范围为10.65 nm(1552.52至1563.17 nm),可为14个相邻DWDM通道提供分插功能。

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