Inverse Design of Compact Silicon Dual-mode Demultiplexer and Power Splitter

We report the inverse design and demonstration of silicon dual-mode demultiplexer and power splitter with footprints of 3.88\times 2.35\mu \mathrm{m}^{2} and 5.4\times 5.4\mu \mathrm{m}^{2} , respectively. The demultiplexer shows a measured insertion loss of 0.5 dB and an inter-mode crosstalk of −13...

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Bibliographic Details
Published in2024 22nd International Conference on Optical Communications and Networks (ICOCN) pp. 1 - 3
Main Authors Xu, Yi, Zhang, Enge, Zhang, Lei
Format Conference Proceeding
LanguageEnglish
Published IEEE 26.07.2024
Subjects
Crosstalk
Insertion loss
Inverse design
Loss measurement
Mode demultiplexer
Optimization methods
Particle swarm optimization
Photonic integrated circuits
Power splitter
Silicon
Silicon multimode photonics
Wavelength measurement
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Summary:We report the inverse design and demonstration of silicon dual-mode demultiplexer and power splitter with footprints of 3.88\times 2.35\mu \mathrm{m}^{2} and 5.4\times 5.4\mu \mathrm{m}^{2} , respectively. The demultiplexer shows a measured insertion loss of 0.5 dB and an inter-mode crosstalk of −13.2 dB at 1550 nm. The dual-mode power splitter has an excess loss of 1.1 dB and an inter-mode crosstalk of −22.4 dB at 1550 nm.
ISSN:2771-3059
DOI:10.1109/ICOCN63276.2024.10648383