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Passive broadband silicon-on-insulator polarization splitter

机译:无源宽带绝缘体上硅偏振分路器

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摘要

We present the implementation of a novel wavelength independent polarization splitter on a silicon-on-insulatorplatform. The waveguide splitter is based on a zero-order arrayed waveguide grating (AWG) configuration. The splitting function is realized by employing cladding stress-induced birefringence. The device demonstrated a TE to TM splitting ratio better than -15 dB over a 20 nm tuning range centered around (lambda)(velence)1550 nm and better than -10 dB over our entire accessible wavelength range from (lambda)(velence)1465 nm to 1580 nm. The highest splitting extinction ratio achieved was -20 dB. To our knowledge, this is the first reported passive broadband polarization splitter based on AWG.
机译:我们介绍了一种新型的与波长无关的偏振分光器在绝缘体上硅平台上的实现。波导分离器基于零级阵列波导光栅(AWG)配置。通过利用包层应力引起的双折射来实现分裂功能。该器件在以(λ)(velence)1550 nm为中心的20 nm调谐范围内显示出TE与TM的分光比好于-15 dB,在从(λ)(velence)1465的整个可访问波长范围内,TE对TM的分光比均好于-10 dB。 nm至1580 nm。达到的最大分裂消光比为-20 dB。据我们所知,这是第一个报告的基于AWG的无源宽带偏振分束器。

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