Design of integrated YIG-based isolators and high-speed modulators

C. J. Firby; A. Y. Elezzabi

doi:10.1117/12.2211783

14 March 2016 Design of integrated YIG-based isolators and high-speed modulators

C. J. Firby, A. Y. Elezzabi

Proceedings Volume 9746, Ultrafast Phenomena and Nanophotonics XX; 974612 (2016) https://doi.org/10.1117/12.2211783
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

In this work, we present the design of integrable magnetoplasmonic isolators and modulators, based on a longrange magnetoplasmonic waveguide structure. With the addition of magnetized cerium-substituted yttrium iron garnet waveguides and planar samarium-cobalt biasing magnets to a Mach-Zehnder interferometer (MZI), we show that an efficient isolator architecture can be implemented with insertion loss of 2.51 dB and an isolation of 22.82 dB within a small footprint of 6:4 x 10^-3 mm². Additionally, employing bismuth-substituted yttrium iron garnet in a MZI and transient magnetic fields from nearby transmission lines, we propose a high-speed electrical-to-optical clock multiplier. Such a device exhibits a modulation depth of 16.26 dB, and an output modulation frequency of 279.9 MHz. Thus, input clock signals can be multiplied by factors of 2:1 x 10³. These devices are envisioned as fundamental constituents of future integrated nanoplasmonic circuits.

Citation Download Citation

C. J. Firby and A. Y. Elezzabi "Design of integrated YIG-based isolators and high-speed modulators", Proc. SPIE 9746, Ultrafast Phenomena and Nanophotonics XX, 974612 (14 March 2016); https://doi.org/10.1117/12.2211783

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