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Proceedings Paper

Design and modeling of multimode interference structures made by two step ion exchange in glass
Author(s): Ondřej Barkman; Vítĕzslav Jeřábek; Václav Prajzler
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Paper Abstract

Design, fabrication and RNF measurement of the optical multi-mode interference power splitter 1 to 2 with graded refractive index is reported. The design was developed by utilizing numerical solutions using the finite difference beam propagation method for operation wavelength 1550 nm. The deposition tests that led to the fabrication of the proposed structures were made after designing the structures. Several samples of optical MMI splitters 1x2 were obtained by Ag+↔Na+ two step field assisted ion exchange process in molten salt into a new special optical glass substrate for ion exchange technology. The refractive index profile of the channel waveguide was verified by the direct measurement near-filed method by the Refractive Near Field Profilometer.

Paper Details

Date Published: 6 January 2015
PDF: 7 pages
Proc. SPIE 9450, Photonics, Devices, and Systems VI, 94501C (6 January 2015); doi: 10.1117/12.2070533
Show Author Affiliations
Ondřej Barkman, Czech Technical Univ. in Prague (Czech Republic)
Vítĕzslav Jeřábek, Czech Technical Univ. in Prague (Czech Republic)
Václav Prajzler, Czech Technical Univ. in Prague (Czech Republic)

Published in SPIE Proceedings Vol. 9450:
Photonics, Devices, and Systems VI
Pavel Tománek; Dagmar Senderáková; Petr Páta, Editor(s)

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