Temperature-insensitive Mach-Zehnder interferometer filters based on silicon nitride waveguides
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Authors
Liyu Chen
Liyu Chen•Yongjun Chen•Chun‐Ta Wang
Published
April 15, 2024
Abstract
We demonstrated a Mach-Zehnder interferometer filter with a 20 nm free spectral range in the C-band. By optimizi ng the arm widths, we reduced temperature-induced wavelength sensitivity from 16 to just 0.5 m/°C, improving device stability.
