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The design of universal logic gates using microring resonator structures
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Paper Abstract

This paper focuses on design of specific type of optical logic gates - universal gates (NAND and NOR). These gates are based on microring resonators (MRR) coupled both in series (for NAND gate) and in parallel (in case of NOR gate). Because of their simplicity in terms of fabrication, the MRRs are modulated through thermo-optic effect of silicon. The MRRs in the proposed devices act as input ports combined with a constant source of light at specific wavelengths. Thus, through different coupling configurations of the rings, the logic is obtained. Due to the architectural features of the devices, complements of these gates (AND, OR) can be obtained as well. Consequently, the proposed designs exhibit the behavior of universal gates and their complements simultaneously. In addition, using Optical Spectrum Analyzer (OSA) as well as Optical Oscilloscope, static and corresponding dynamic responses are illustrated. Furthermore, complementary parameters such as extinction ratio and speed are evaluated.

Paper Details

Date Published: 26 February 2019
PDF: 7 pages
Proc. SPIE 10912, Physics and Simulation of Optoelectronic Devices XXVII, 1091218 (26 February 2019); doi: 10.1117/12.2511173
Show Author Affiliations
Dias Azhigulov, Nazarbayev Univ. (Kazakhstan)
Ikechi A. Ukaegbu, Nazarbayev Univ. (Kazakhstan)
Hyo-Hoon Park, KAIST (Korea, Republic of)

Published in SPIE Proceedings Vol. 10912:
Physics and Simulation of Optoelectronic Devices XXVII
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

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