New lithium niobate Y-junction polarization divider: theoretical study

Tiziana Conese-Bond; Olga De Pascale; Anna Maria Matteo; Mario Nicola Armenise

doi:10.1117/12.50895

1 December 1991 New lithium niobate Y-junction polarization divider: theoretical study

Tiziana Conese-Bond, Olga De Pascale, Anna Maria Matteo, Mario Nicola Armenise

Proceedings Volume 1583, Integrated Optical Circuits; (1991) https://doi.org/10.1117/12.50895
Event: OE Fiber, 1991, Boston, MA, United States

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.

Citation Download Citation

Tiziana Conese-Bond, Olga De Pascale, Anna Maria Matteo, and Mario Nicola Armenise "New lithium niobate Y-junction polarization divider: theoretical study", Proc. SPIE 1583, Integrated Optical Circuits, (1 December 1991); https://doi.org/10.1117/12.50895

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