Published September 22, 2009 | Version v1
Journal article

High performance mode adapters based on segmented SPE:LiNbO3 waveguides

Description

We propose a new mode adapter which allows more efficient launching of the optical power selectively in the fundamental mode of a multimode waveguide. Theoretical and experimental results confirm that such a mode adapter increases the performances in terms of coupling efficiency, coupling tolerances and transmitted power with respect to previously proposed solutions. Proof of principle of device operation is obtained with a simple Coupled Mode Theory model. Experimental results are obtained at a wavelength of 840 nm in Lithium Niobate Soft Proton Exchanged waveguides and agree very well with theoretical predictions.

Abstract

International audience

Additional details

Created:
December 3, 2022
Modified:
November 28, 2023