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IEEE/ICACT20210161 Question.2 Questioner: lijingwei10@huawei.com 2021-02-07	IEEE/ICACT20210161 Answer.2 Answer by Auhor angie_teo236@hotmail.com 2021-02-07
Silicon core width is recommended to be set at around 500nm in order to achieve a good compromise between effective index and polarizations, which system can benifit in this compromise?	In terms of Effective Index, the higher the width, the higher the effective index. However, higher width may introduce higher order TE and TM polarized modes. So, 500 nm is a good compromise to get better index but avoid higher order TE and TM polarized modes.

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