Low power compact hybrid plasmonic double microring electro-optical modulator

Aya O. Zaki; Nourhan H. Fouad; Dimitrios C. Zografopoulos; Romeo Beccherelli; Mohamed A. Swillam

doi:10.1117/12.2214661

24 February 2016 Low power compact hybrid plasmonic double microring electro-optical modulator

Aya O. Zaki, Nourhan H. Fouad, Dimitrios C. Zografopoulos, Romeo Beccherelli, Mohamed A. Swillam

Author Affiliations +

Proceedings Volume 9744, Optical Components and Materials XIII; 97441K (2016) https://doi.org/10.1117/12.2214661
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

In this work, we present an electro-optical modulator based on electromagnetically induced transparency (EIT). Our modulator employs a conductor-gap-silicon (CGS) microring resonator on each side of the input waveguide in a pushpull configuration utilizing an embedded electro-optical polymer (EOP). CGS waveguides support hybrid plasmonic modes offering a sound trade-off between mode confinement and propagation loss. The modulator is designed and analyzed using 3D finite difference time domain (FDTD) simulations. To have a high quality resonator, the rings are designed to have moderate waveguide propagation losses and a sub-micron radius of R = 805 nm. With an exact capacitance of just 1.06 fF per single microring resonator and applied voltage of 2 V, the exact energy consumption is estimated to be 4.24 fJ/bit. To the best of our knowledge, this figure represents 40% less power consumption in comparison with different modulators structures. The ultra-small capacitance of the proposed modulator and the instantaneous response of the used polymer make our design suitable for high bit rate applications. At the wavelength of -1550 nm-, the insertion loss is 0.34 dB and the extinction ratio is 10.23 dB.

Citation Download Citation

Aya O. Zaki, Nourhan H. Fouad, Dimitrios C. Zografopoulos, Romeo Beccherelli, and Mohamed A. Swillam "Low power compact hybrid plasmonic double microring electro-optical modulator", Proc. SPIE 9744, Optical Components and Materials XIII, 97441K (24 February 2016); https://doi.org/10.1117/12.2214661

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