Inverse-Designed Programmable Multi-Channel Wavelength Demultiplexers Based on Low-Loss Phase Change Material

We present a family of compact, programmable wavelength demultiplexers enabled by an etchless silicon nitride platform integrated with the low-loss phase-change material Sb₂Se₃. Using topology optimization (LumOpt) with a p-norm (<i>p</i> = 2) figure-of-merit defined over a 10...

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Главные авторы:	Pengtao Zhu, Xinlei Shi, Zuming Lin, Yiwen Xue, Yi Liu, Yifeng Sun, Lei Gao, Mingyang Ye, Lun Zhang, Yuexiang Guo, Yin Xu, Hualong Bao
Формат:	Artigo
Язык:	Inglês
Опубликовано:	MDPI AG 2026-06-01
Серии:	Photonics
Предметы:	silicon photonics programmable photonic integrated circuit wavelength demultiplexer inverse design low-loss phase-change material
Online-ссылка:	https://www.mdpi.com/2304-6732/13/6/573
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