Three-dimensional polymer mode (de)multiplexer with cascaded tapered couplers for on-board optical interconnects

被引：2
|
作者：
Shang, Yuling [1 ]
Guo, Wenjie [1 ]
He, Xiang [1 ]
Zhou, Jinzhuo [1 ]
Yan, Yaya [1 ]
Liu, Zhengwei [2 ]
Li, Chunquan [2 ]
机构：
[1] Guilin Univ Elect Technol, Dept Elect Engn & Automat, Guilin 541000, Peoples R China
[2] Guilin Univ Elect Technol, Dept Mech & Elect Engn, Guilin 541000, Peoples R China
来源：
APPLIED OPTICS | 2021年 / 60卷 / 23期
基金：
中国国家自然科学基金;
关键词：
ASYMMETRIC Y-JUNCTIONS; BROAD-BAND; WAVE-GUIDE; FABRICATION-TOLERANT; MULTIPLEXER; EVOLUTION; COMPACT;
D O I：
10.1364/AO.432734
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A three-dimensional polymer mode (de)multiplexer based on mode evolution is proposed. The proposed configuration is mainly composed of cascaded two tapered couplers where waveguides with different heights are inversely tapered to achieve mode conversions of the E-11, E-21, and E-31 modes. The dimensional parameters and characteristics are analyzed by the beam propagation method. This mode (de)multiplexer exhibits the coupling ratio greater than 0.97, excess loss lower than 0.15 dB and extinction ratio higher than 20 dB for TE and TM polarizations over the wavelength range 1530 similar to 1625 nm(the C + L band). This design hasweak wavelength dependence and polarization dependence, which is promising to be applied to broadband on-board mode multiplexing. (C) 2021 Optical Society of America
引用
收藏
页码：6791 / 6798
页数：8
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