Optical properties of nitride-rich SiNx and its use in CMOS-compatible near-UV Bragg filter fabrication

Autor: Reinoud F. Wolffenbuttel, Declan Winship, Yutao Qin, Yogesh Gianchandani, David Bilby, Jaco H. Visser
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Optical Materials: X, Vol 24, Iss , Pp 100348- (2024)
Druh dokumentu: article
ISSN: 2590-1478
DOI: 10.1016/j.omx.2024.100348
Popis: Nitride-rich silicon-nitride (SiNx) is being explored for its potential as a suitable optical material for use in microsystems operating in the near-UV spectral range. Although silicon-rich SiNx is widely accepted as a CMOS-compatible dielectric and micromechanical material, its optical absorption limits application to the visible to near-IR spectral range. However, this work shows that a balance can be achieved between a sufficiently high index of refraction (n> 2) and an acceptable optical loss (k
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