Shortcuts to adiabaticity in optical waveguides using fast quasiadiabatic dynamics

Sofía Martínez-Garaot, Juan Gonzalo Muga, Shuo Yen Tseng

研究成果: Article同行評審

30 引文 斯高帕斯(Scopus)

摘要

We propose a fast quasiadiabatic approach to the design of optical waveguide devices. This approach distributes the system adiabaticity homogeneously over the device length, thus providing a shortcut to adiabaticity at a shorter device length. A mode sorting asymmetric Y junction is designed by redistributing the adiabaticity of a conventional linearly separating Y junction. Simple procedures for the design of fast quasiadiabatic devices are outlined, and the designed Y junction features large bandwidth at a shorter length than the conventional linearly separating Y junction. The proposed device is verified with beam propagation simulations. A mode conversion efficiency of larger than 99% is observed for the designed Y junction over a 220 nm range.

原文English
頁(從 - 到)159-167
頁數9
期刊Optics Express
25
發行號1
DOIs
出版狀態Published - 2017 一月 9

All Science Journal Classification (ASJC) codes

  • 原子與分子物理與光學

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