Graphics processor unit accelerated design of multimode interference reflectors

Jandu, George M. ORCID: https://orcid.org/0009-0006-0758-9817 and Smowton, Peter M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. Graphics processor unit accelerated design of multimode interference reflectors. Presented at: International Conference on Numerical Simulation of Optoelectronic Devices, (NUSOD), Lodz, Poland, 14-18 September 2025. International Conference on Numerical Simulation of Optoelectronic Devices, (NUSOD). 2025 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE, pp. 15-16. 10.1109/nusod64393.2025.11199575

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Abstract

A modified three-part algorithm based on extracting effective scattering matrix parameters is presented for the design of multimode interference reflectors. In contrast to previous work, each stage of the suggested simulation strategy is completed in the frequency domain. We demonstrate that this new approach is able to calculate the reflectivity of a multimode interference reflector across a 2D parameter space 7.2 times faster than a standard GPU accelerated three-part simulation and over 68 times faster than a typical CPU implementation.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Schools > Physics and Astronomy
Publisher:	IEEE
ISBN:	9798331521530
ISSN:	2158-3242
Date of First Compliant Deposit:	1 December 2025
Date of Acceptance:	27 June 2025
Last Modified:	01 Dec 2025 16:45
URI:	https://orca.cardiff.ac.uk/id/eprint/182192

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