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Tailorable and Broadband On-Chip Optical Power Splitter

Title
Tailorable and Broadband On-Chip Optical Power Splitter
Authors
SHIN, HEEDEUKKIM, HYEONGPIN
Date Issued
Oct-2019
Publisher
MDPI
Abstract
An on-chip optical power splitter is a key component of photonic signal processing and quantum integrated circuits and requires compactness, wideband, low insertion loss, and variable splitting ratio. However, designing an on-chip splitter with both customizable splitting ratio and wavelength independence is a big challenge. Here, we propose a tailorable and broadband optical power splitter over 100 nm with low insertion loss less than 0.3%, as well as a compact footprint, based on 1×2 interleaved tapered waveguides. The proposed scheme can design the output power ratio of transverse electric modes, lithographically, and a selection equation of a power splitting ratio is extracted to obtain the desired power ratio. Our splitter scheme is close to an impeccable on-chip optical power splitter for classical and quantum integrated photonic circuits.
URI
http://oasis.postech.ac.kr/handle/2014.oak/99755
ISSN
2076-3417
Article Type
Article
Citation
Applied Sciences-basel, vol. 9, no. 20, page. 4239, 2019-10
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 SHIN, HEEDEUK
Dept of Physics
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