Compact and Ultra-Low-Loss Inline Optical Power Monitor Based on Multimode Interference for Silicon Photonic Integrated Circuits

Journal of Lightwave Technology 2026 Open access

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Authors: Tomohiro Kita, Kiyoharu Tsujishita
DOI: 10.1109/jlt.2026.3670843
Cited by: 0
References: 34

Abstract

We propose and experimentally demonstrate an ultrasmall, low-loss inline photodetector based on multimode interference in a silicon multimode waveguide. Periodic self-focusing enables heavily doped electrodes to be placed close to the waveguide with negligible loss. The detector provides

Fields of Study & Subjects

Photonic and Optical Devices Photorefractive and Nonlinear Optics Advanced MEMS and NEMS Technologies

Publication details

Journal / source
Journal of Lightwave Technology
Volume
44
Issue
10
Pages
4183–4191
Publication date
4 March 2026
Language
EN