Author:
Li Chenlei,Zhang Ming,Xu Hongnan,Tan Ying,Shi Yaocheng,Dai Daoxin
Abstract
AbstractOn-chip mode-manipulation is one of the most important physical fundamentals for many photonic integrated devices and circuits. In the past years, great progresses have been achieved on subwavelength silicon photonics for on-chip mode-manipulation by introducing special subwavelength photonic waveguides. Among them, there are two popular waveguide structures available. One is silicon hybrid plasmonic waveguides (HPWGs) and the other one is silicon subwavelength-structured waveguides (SSWGs). In this paper, we focus on subwavelength silicon photonic devices and the applications with the manipulation of the effective indices, the modal field profiles, the mode dispersion, as well as the birefringence. First, a review is given about subwavelength silicon photonics for the fundamental-mode manipulation, including high-performance polarization-handling devices, efficient mode converters for chip-fiber edge-coupling, and ultra-broadband power splitters. Second, a review is given about subwavelength silicon photonics for the higher-order-mode manipulation, including multimode converters, multimode waveguide bends, and multimode waveguide crossing. Finally, some emerging applications of subwavelength silicon photonics for on-chip mode-manipulation are discussed.
Funder
National Major Research and Development Program
National Science Fund for Distinguished Young Scholars
National Natural Science Foundation of China
Zhejiang Provincial Natural Science Foundation
the Fundamental Research Funds for the Central Universities.
Publisher
Springer Science and Business Media LLC
Cited by
56 articles.
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