Photonic integrated circulators based on iron garnets without external magnetization
Document Type
Conference Proceeding
Publication Date
3-5-2021
Department
Department of Physics
Abstract
A new compact optical circulator based on a photonic crystal made of a triangular lattice of air holes etched in a magneto-optical material that does not require an external DC magnetic field to keep its saturated magnetic state is presented. The design has a threefold rotational symmetry and it consists of three single-mode waveguides and one resonator supporting dipole resonances introduced in the photonic crystal structure. Computational simulations of the circulator demonstrate that, at the 1.55 μm wavelength, the insertion losses are about-1 dB, while the isolation and reflection levels are about-15 dB and-24 dB, respectively.
Publication Title
Proceedings of SPIE - The International Society for Optical Engineering
ISBN
9781510642157
Recommended Citation
Portela, G.,
De Oliveira, L.,
Levy, M.,
&
Hernandez-Figueroa, H.
(2021).
Photonic integrated circulators based on iron garnets without external magnetization.
Proceedings of SPIE - The International Society for Optical Engineering,
11690.
http://doi.org/10.1117/12.2578396
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/14918