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Opt Lett. 2011 Dec 1;36(23):4599-601. doi: 10.1364/OL.36.004599.

Design of transverse electric ring isolators for ultra-low-loss Si3N4 waveguides based on the finite element method.

Author information

1
Scuola Superiore Sant’Anna, 56124, Pisa, Italy. paolo.pintus@sssup.it

Abstract

In this Letter we present the design of a novel (to our best knowledge) integrated TE isolator realized using ultra-low-loss Si(3)N(4) waveguides. The device is made of two straight waveguides coupled to an array of ring resonators including a Ce:YIG garnet grown on their internal side. The analysis demonstrates advantages in loss, isolation, and passband width as the number of rings is increased.

PMID:
22139255
DOI:
10.1364/OL.36.004599

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