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Design of a 2-bit compact directional logic multiplier based on micro-ring resonators.

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Title: Design of a 2-bit compact directional logic multiplier based on micro-ring resonators.
Authors: Shi, Yunying1,2 (AUTHOR), Zhou, Tian3 (AUTHOR), Hu, Cong1,3,4 (AUTHOR) 1903977273@qq.com, Zhu, Aijun1 (AUTHOR) 45953000@qq.com, Xia, Haiying4 (AUTHOR), Huang, Xijun1 (AUTHOR)
Source: Optical Review. Feb2026, Vol. 33 Issue 1, p104-115. 12p.
Subjects: Microresonators (Optoelectronics), Optical computing, Hafnium oxide films, Optical modulation, Design, Indium tin oxide
Abstract: In the context of the digital economy era, the demand for computing power is showing an exponential growth trend. Optical computing technology, due to its unique advantages, has become an important development direction for the next-generation computing architecture. To break through the performance bottleneck of traditional computing units, this paper proposes a compact 2-bit optical directional logic multiplier based on micro-ring resonators. The core innovation of this design lies in the use of a micro-ring resonator structure coated with a HfO2 insulating layer and an ITO activating material, which realizes rapid electro-optic tuning through an applied bias voltage, significantly improving the computing efficiency. The simulation experiment results show that this multiplier structure is highly compact consisting of only 6 micro-ring resonators, with an overall size controlled at 43 μm × 25 μm; it has excellent performance, with an insertion loss as low as 0.34 dB; and it fast operation, capable of stably performing 2-bit multiplication operations. These characteristics fully demonstrate the significant advantages of this design in terms of integration, energy efficiency ratio, and computing speed, providing a feasible technical path for the miniaturization and practical application of optical computing chips. [ABSTRACT FROM AUTHOR]
Copyright of Optical Review is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 192414408
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Design of a 2-bit compact directional logic multiplier based on micro-ring resonators.
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  Data: In the context of the digital economy era, the demand for computing power is showing an exponential growth trend. Optical computing technology, due to its unique advantages, has become an important development direction for the next-generation computing architecture. To break through the performance bottleneck of traditional computing units, this paper proposes a compact 2-bit optical directional logic multiplier based on micro-ring resonators. The core innovation of this design lies in the use of a micro-ring resonator structure coated with a HfO2 insulating layer and an ITO activating material, which realizes rapid electro-optic tuning through an applied bias voltage, significantly improving the computing efficiency. The simulation experiment results show that this multiplier structure is highly compact consisting of only 6 micro-ring resonators, with an overall size controlled at 43 μm × 25 μm; it has excellent performance, with an insertion loss as low as 0.34 dB; and it fast operation, capable of stably performing 2-bit multiplication operations. These characteristics fully demonstrate the significant advantages of this design in terms of integration, energy efficiency ratio, and computing speed, providing a feasible technical path for the miniaturization and practical application of optical computing chips. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Optical Review is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Feb2026
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