Design of Si-photonics-based logic gates using micro-ring resonator structures

Dias Azhigulov; Hyo-Hoon Park; Ikechi A. Ukaegbu

doi:10.1117/12.2541826

2 March 2020 Design of Si-photonics-based logic gates using micro-ring resonator structures

Dias Azhigulov, Hyo-Hoon Park, Ikechi A. Ukaegbu

Proceedings Volume 11274, Physics and Simulation of Optoelectronic Devices XXVIII; 112741Q (2020) https://doi.org/10.1117/12.2541826
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Using the knowledge that any gate can be built through different arrangements of micro-ring resonators, this paper proposes the all-optical design of XOR and XNOR logic gates. The gates structure thus consists of micro-ring resonators (MRR) paired with a constant source of light (COS). MRRs in these designs are utilized as modulators by tuning their resonant wavelengths. In this way, under no external disturbances, the rings are uncoupled by default. The proposed devices are CMOS-compatible meaning that they can be fabricated using the existing technologies. Also, to reduce the fabrication complexity of the proposed devices, thermo-optic modulation is employed as primary light modulating technique. The logic gates are tested at 25 kpbs. Device parameters are provided as well for manufacturing purposes. The study concludes with suggestions on design improvements and potential application of the optical gates.

Citation Download Citation

Dias Azhigulov, Hyo-Hoon Park, and Ikechi A. Ukaegbu "Design of Si-photonics-based logic gates using micro-ring resonator structures", Proc. SPIE 11274, Physics and Simulation of Optoelectronic Devices XXVIII, 112741Q (2 March 2020); https://doi.org/10.1117/12.2541826

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KEYWORDS

Logic

Logic devices

Resonators

Microrings

Modulation

Thermal optics

Waveguides

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