High efficiency Silicon nitride gratings for fiber-chip coupling in 850-900 nm wavelength

Siddharth Nambiar,Avijit Chatterjee,Shankar Kumar Selvaraja

conference on lasers and electro optics（2021）

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摘要

We demonstrate high-efficiency Silicon Nitride gratings for fiber-chip coupling in 850-900 nm. Experimentally measured peak efficiency is -4.44 dB and -3.4 dB for uniform and apodized gratings, respectively.

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关键词

(130.0130) Integrated optics,(230.1950) Diffraction gratings,(230.7370) Waveguides

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