Design and optimization of a low-loss waveguide taper for a narrow-band O-band multiplexer
Jiayu Liu,
Chongfu Zhang,
Jiahong Chen
et al.
Abstract:The fast deployment of high-performance data centers accelerates the development of O-band wavelength division multiplexing (WDM) and its devices. To minimize insertion loss in WDM devices, it is essential to maximize coupling efficiency between optical fibers and waveguides at micro- and nano-scale. In this paper, we propose a low-loss waveguide tapered coupler and its optimization around 1310 nm. The coupler has a vertically placed double-layer rib taper as an intermediate waveguide, and the inverted taper i… Show more
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