Improvement of the guiding performances of near infrared organic/inorganic channel waveguides

TL;DR

This paper presents the development of new sol-gel derived organic/inorganic hybrid waveguides optimized for near-infrared telecommunication applications, achieving significantly reduced attenuation losses at 1310 and 1550 nm.

Contribution

It introduces a novel fabrication process and material composition control that enhances guiding performance and reduces attenuation in near-infrared waveguides.

Findings

Attenuation losses reduced to 0.8 dB/cm at 1310 nm

Attenuation losses reduced to 2 dB/cm at 1550 nm

Precise material composition control improves waveguide performance

Abstract

New sol-gel derived organic/inorganic hybrid single mode waveguides devices have been developed for telecommunication applications in the two near infrared windows at 1310 and 1550 nm. The overall procedure of fabrication of these devices is described and the refractive indices of the guiding, the buffer and the protective layers are adjusted by a precise control of the materials' composition. Due to the improvement of the composition of the guiding layer, the attenuation losses are significantly decreased to 0.8 dB/cm and 2dB/cm at respectively 1310 and 1550 nm.