Design and optimization of non-uniform 1 × 5 PLC splitter using orthogonal experimental method

•A non-uniform 1 × 5 PLC splitter with excellent performance is designed and manufactured.•The sensitivity of device performance to each structure size is discussed using orthogonal experimental method.•The performance of optical splitter oscillates with the increase of the length of narrow straight...

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Bibliographic Details
Published in:Optics and laser technology Vol. 168; p. 109955
Main Authors: Wang, Jirong, Zheng, Yu, Zou, Xinjie, Zhao, Yanbing, Liu, Jianzhe, Jiang, Xiang, Duan, Ji'an
Format: Journal Article
Language:English
Published: Elsevier Ltd 01.01.2024
Subjects:
Orthogonal Experimental Method
Planar Lightwave Circuit
PLC Splitter
Y-Branch
Orthogonal Experimental Method
Y-Branch
PLC Splitter
Planar Lightwave Circuit
ISSN:0030-3992, 1879-2545
Online Access:Get full text
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Summary:•A non-uniform 1 × 5 PLC splitter with excellent performance is designed and manufactured.•The sensitivity of device performance to each structure size is discussed using orthogonal experimental method.•The performance of optical splitter oscillates with the increase of the length of narrow straight waveguide. The non-uniform planar lightwave circuit (PLC) splitter with one primary and multiple signal distribution function is one of the most crucial devices in Fiber-To-The-Room (FTTR) technology. Reducing the device loss and optimizing output uniformity are challenging obstacles during the design and optimization process of PLC splitters. In this paper, the design and optimization of a non-uniform 1 × 5 PLC splitter are carried out, and the device performance sensitivity analysis towards various structure dimensions was then determined using the orthogonal experimental method. The measurement results show that for an operating wavelength range from 1.27 μm to 1.63 μm, the insertion loss (IL) of the main channel is less than 1.25 dB. Whilst the IL, wavelength-dependent loss (WDL), and uniformity loss (UL) of channel 2 ∼ 5 are less than 14.06 dB, 0.18 dB, and 0.24 dB, respectively. The adopted design method has manifested convenient practicality and advanced efficiency and could considerably scale down the design and optimization cycle of PLC splitters.
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2023.109955