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首页> 外文期刊>Applied optics >Design and fabrication of a 200 GHz Si-nanowire-based reflective arrayed-waveguide grating (de)multiplexer with optimized photonic crystal reflectors
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Design and fabrication of a 200 GHz Si-nanowire-based reflective arrayed-waveguide grating (de)multiplexer with optimized photonic crystal reflectors

机译:具有优化的光子晶体反射器的基于200 GHz硅纳米线的反射阵列波导光栅(去)复用器的设计和制造

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摘要

A compact Si-nanowire-based reflective arrayed-waveguide grating (AWG) for dense wavelength-division multiplexing is proposed. At the end of each waveguide in the array, there is an individual photonic crystal (PhC) reflector, which makes the AWG layout design very flexible. All the PhC reflectors are with the same design. With such a design, the total size of the AWG (de)multiplexer is reduced by more than a half. The reflection efficiency of the used PhC reflectors is enhanced by optimizing the taper between the arrayed waveguides and the PhC reflector. A 200 GHz AWG (de)multiplexer is designed and fabricated as an example. The total size is only about 193 (mu)m X 168 (mu)m.
机译:提出了一种紧凑的基于硅纳米线的反射阵列波导光栅(AWG),用于密集的波分复用。在阵列中每个波导的末端,都有一个单独的光子晶体(PhC)反射器,这使AWG布局设计非常灵活。所有的PhC反射器都具有相同的设计。通过这种设计,AWG(de)多路复用器的总尺寸减少了一半以上。通过优化阵列波导和PhC反射器之间的锥度,可以提高使用过的PhC反射器的反射效率。以200 GHz AWG(de)多路复用器为例进行设计和制造。总尺寸仅为约193μm×168μm。

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