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Title: Ultra-compact low loss polarization insensitive silicon waveguide splitter
Authors: Xiao, Zhe
Luo, Xianshu
Lim, Peng Huei
Prabhathan, Patinharekandy
Liow, Tsung-Yang
Zhang, Jing
Luan, Feng
Silalahi, Samson T. H.
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2013
Source: Xiao, Z., Luo, X., Lim, P. H., Prabhathan, P., Silalahi, S. T. H., Liow, T. Y., Zhang, J.,& Luan, F. (2013). Ultra-compact low loss polarization insensitive silicon waveguide splitter. Optics Express, 21(14), 16331-16336.
Series/Report no.: Optics express
Abstract: We observe that the cascaded typical Y junctions will introduce unwanted periodic fringes over the spectrum in practical systems when they link with multimode waveguides. To solve the problem, we design and experimentally demonstrate a wavelength insensitive multimode interferometer (MMI) based 3-dB splitter which has all the merits of Y-splitters such as polarization insensitivity and ultra-compactness. The splitter has a footprint of 1.5 × 1.8 µm2, nearly one order smaller than the previously reported MMI splitters. The measured excess losses for TE and TM modes at telecom wavelength are as low as −0.11 dB and −0.18 dB respectively.
ISSN: 1094-4087
DOI: 10.1364/OE.21.016331
Rights: © 2013 OSA. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of OSA. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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