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Proceedings Paper

New lithium niobate Y-junction polarization divider: theoretical study
Author(s): Tiziana Conese-Bond; Olga De Pascale; Anna Maria Matteo; Mario Nicola Armenise
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Paper Abstract

In this paper we studied an asymmetrically cladded Y-Junction in Ti:LiNb03 in order to investigate the passive polarization splitting behaviour related to the action of a buffer layer supposed to cover only one branch. Different widths of the two arms and appropriate dividing angle are chosen to improve the expected performance. We analysed the Y-structure by utilizing a bounded step approximation involving the mode-conversion between guided and radiation modes. To evaluate the effective indexes of both modes in each step, we utilized the effective index method by considering the two dimensional refractive index profiles.

Paper Details

Date Published: 1 December 1991
PDF: 7 pages
Proc. SPIE 1583, Integrated Optical Circuits, (1 December 1991); doi: 10.1117/12.50895
Show Author Affiliations
Tiziana Conese-Bond, Centro Laser (Italy)
Olga De Pascale, Centro Laser (Italy)
Anna Maria Matteo, Centro Laser (Italy)
Mario Nicola Armenise, Univ. di Bari (Italy)

Published in SPIE Proceedings Vol. 1583:
Integrated Optical Circuits
Ka Kha Wong, Editor(s)

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