Topology optimized mode multiplexing in silicon-on-insulator photonic wire waveguides

Louise Floor Frellsen; Yunhong Ding; Ole Sigmund; Lars Hagedorn Frandsen

doi:10.1364/OE.24.016863

Topology optimized mode multiplexing in silicon-on-insulator photonic wire waveguides

Louise Floor Frellsen, Yunhong Ding, Ole Sigmund, Lars Hagedorn Frandsen

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Abstract

We design and experimentally verify a topology optimized low-loss and broadband two-mode (de-)multiplexer, which is (de-)multiplexing the fundamental and the first-order transverse-electric modes in a silicon photonic wire. The device has a footprint of 2.6 μm x 4.22 μm and exhibits a loss 14 dB in the C-band. Furthermore, we demonstrate that the design method can be expanded to include more modes, in this case including also the second order transverse-electric mode, while maintaining functionality.

Original language	English
Journal	Optics Express
Volume	24
Issue number	15
Pages (from-to)	16866-16873
ISSN	1094-4087
DOIs	https://doi.org/10.1364/OE.24.016863
Publication status	Published - 2016

Keywords

Mathematical methods in physics
Numerical approximation and analysis
Modes
Subwavelength structures
Integrated optics devices

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10.1364/OE.24.016863

TopOpt mode multiplexing of two and three transverse elctric modesAccepted author manuscript, 838 KB

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abstract = "We design and experimentally verify a topology optimized low-loss and broadband two-mode (de-)multiplexer, which is (de-)multiplexing the fundamental and the first-order transverse-electric modes in a silicon photonic wire. The device has a footprint of 2.6 μm x 4.22 μm and exhibits a loss 14 dB in the C-band. Furthermore, we demonstrate that the design method can be expanded to include more modes, in this case including also the second order transverse-electric mode, while maintaining functionality.",

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AU - Frellsen, Louise Floor

AU - Ding, Yunhong

AU - Sigmund, Ole

AU - Frandsen, Lars Hagedorn

PY - 2016

Y1 - 2016

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AB - We design and experimentally verify a topology optimized low-loss and broadband two-mode (de-)multiplexer, which is (de-)multiplexing the fundamental and the first-order transverse-electric modes in a silicon photonic wire. The device has a footprint of 2.6 μm x 4.22 μm and exhibits a loss 14 dB in the C-band. Furthermore, we demonstrate that the design method can be expanded to include more modes, in this case including also the second order transverse-electric mode, while maintaining functionality.

KW - Mathematical methods in physics

KW - Numerical approximation and analysis

KW - Modes

KW - Subwavelength structures

KW - Integrated optics devices

U2 - 10.1364/OE.24.016863

DO - 10.1364/OE.24.016863

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JO - Optics Express

JF - Optics Express

IS - 15

ER -

Topology optimized mode multiplexing in silicon-on-insulator photonic wire waveguides

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