Short and broadband silicon asymmetric Y-junction two-mode (de)multiplexer using fast quasiadiabatic dynamics

Hung Ching Chung, Kun Sheng Lee, Shuo Yen Tseng

研究成果: Article同行評審

30 引文 斯高帕斯(Scopus)

摘要

A short and broadband silicon asymmetric Y-junction two-mode (de)multiplexer is proposed and simulated. An adiabaticity parameter suitable for high index-contrast silicon waveguides is defined. The fast quasiadiabatic dynamics protocol is used to homogeneously distribute adiabaticity over the device length. This protocol limits the power coupled into the unwanted waveguide eigenmode under a fixed value along the propagation. A 16 μm long mode (de)multiplexer with crosstalk < -34 dB is obtained. Simulations show that the optical bandwidth is as large as 300 nm (1400 nm ~ 1700 nm). The design is also fabrication tolerant.

原文English
頁(從 - 到)13626-13634
頁數9
期刊Optics Express
25
發行號12
DOIs
出版狀態Published - 2017 六月 12

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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