Gilardi Giovanni, Asquini Rita, d'Alessandro Antonio, Assanto Gaetano
Dipartimento di Ingegneria Elettronica, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy.
Opt Express. 2010 May 24;18(11):11524-9. doi: 10.1364/OE.18.011524.
We propose and numerically investigate a versatile and easy-to-realize configuration for a guided-wave voltage-tunable distributed feedback grating based on reorientation in nematic liquid crystal and coplanar comb electrodes. The device has a wide tuning range exceeding 100 nm and covers C and L bands for wavelength division multiplexing.
我们提出并通过数值研究了一种基于向列型液晶中的重新取向和共面梳状电极的、通用且易于实现的配置，用于导波电压可调分布式反馈光栅。该器件具有超过100nm的宽调谐范围，覆盖用于波分复用的C波段和L波段。
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