Compact Si photonic multimode interference-based optical circuit for mode division multiplexing applications

被引：9
作者：
El-Sabban, Salwa [1 ]
Khalil, Diaa [2 ]
机构：
[1] Helwan Univ, Fac Engn, Elect & Commun Engn Dept, 1 Sherif St, Cairo 11792, Egypt
[2] Ain Shams Univ, Fac Engn, Elect & Commun Engn Dept, 1 Elsarayat St, Cairo 11317, Egypt
来源：
OPTICAL ENGINEERING | 2016年 / 55卷 / 07期
关键词：
integrated optics; mode division multiplexing; multimode interference; silicon photonics; ON-CHIP; SILICON HYBRID; WAVE-GUIDES; MAGIC-T; DEVICES; DESIGN; DEMULTIPLEXER; FABRICATION; COUPLERS;
D O I：
10.1117/1.OE.55.7.076102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A design for a compact Si photonic two mode demultiplexer for mode division multiplexing (MDM) applications is presented. The design uses the self-imaging in multimode interference structures to achieve MDM with an insertion loss less than 0.5 dB and a cross talk better than 20 dB over the C band. The imaging is achieved within a length that is half the length reported in the literature, and its overall dimensions are 42 mu m x 3 mu m. The minimum cross talk is affected by the structure geometry. The tolerance of the design to variations in the dimensions is also studied. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：7
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