A new simulation design of three-mode division (de)multiplexer based on a trident coupler and two cascaded 3 × 3 MMI silicon waveguides

We propose a design of a silicon three-mode (de)multiplexing device based on a trident and two cascaded 3 × 3 multimode interferometers. Input lights at fundamental, first-order, and second-order modes of transverse electric (TE) polarization are simultaneously converted to fundamental TE mode and d...

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Bibliographic Details
Published in:Optical and quantum electronics 2018, Vol.50 (11), p.1-15, Article 426
Main Authors: Tran, Anh Tuan, Truong, Dung Cao, Nguyen, Hung Tan, Vu, Yem Van
Format: Article
Language:English
Subjects:
Beams (radiation)
Characterization and Evaluation of Materials
Computer Communication Networks
Computer simulation
Crosstalk
Electrical Engineering
Insertion loss
Integrated circuits
Interferometers
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Silicon
Wave division multiplexing
Waveguides
Wavelength division multiplexing
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Summary:We propose a design of a silicon three-mode (de)multiplexing device based on a trident and two cascaded 3 × 3 multimode interferometers. Input lights at fundamental, first-order, and second-order modes of transverse electric (TE) polarization are simultaneously converted to fundamental TE mode and demultiplexed at different ports at the outputs. The design is carried out through both theoretical analysis and numerical simulation using three dimensional-beam propagation method and effective index method. The results show a successful three-mode multiplexing in 100 nm wavelength range around 1550 nm with low insertion loss (
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-017-1248-4