分路器
光学
材料科学
分析化学(期刊)
物理
化学
色谱法
作者
Aoxue Zhang,Lipeng Xia,Ting Li,Chang Chang,Peiji Zhou,Xiaochuan Xu,Yi Zou
出处
期刊:Optics Letters
[The Optical Society]
日期:2021-09-30
卷期号:46 (19): 5000-5000
被引量:14
摘要
We experimentally demonstrate an ultra-compact polarization-independent 3 dB power splitter on the silicon-on-insulator platform. Subwavelength structure engineering is employed to balance the coupling coefficients of TE and TM polarizations as well as a footprint reduction. The device possesses ultra-compact ( 1.2 µ m × 2.62 µ m ) and polarization-independent features with an operating bandwidth over 50 nm (from 1540 to 1590 nm).
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