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14 March 2018 Microresonator-based electro-optic full adder for optical computing in integrated photonics (Conference Presentation)
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Proceedings Volume 10538, Optical Interconnects XVIII; 1053803 (2018) https://doi.org/10.1117/12.2288543
Event: SPIE OPTO, 2018, San Francisco, California, United States
Abstract
Due to the bottleneck in the continuation of Moore’s law as well as the drastically increasing trend of bandwidth, silicon photonics has emerged as the most promising candidate for implementing next-generation communication networks with ultralow power and ultrahigh speed. Recently, optical computing in integrated photonics, which outperforms electrical counterparts both in power consumption and bandwidth, has attracted a renewed interest due to the accessibility and maturity of ultracompact passive and active integrated components. However, up to now, most of relevant research about optical computing still focus on the realization of fundamental logic gates, not even close to feasible large-scale computing system. In this paper, we demonstrate a high-speed ripple-carry electro-optic full adder using micro-resonators. This approach adopts photons instead of electrons to realize logic operations as well as transfer carry signals from one bit to the next, while all the control signals of operands are applied simultaneously at and within every clock cycle. Thus, the severe latency issue that accumulates as the size of full adder increases can be circumvented, allowing for the improvement in computing speed. This approach also outperforms the conventional electrical counterpart in terms of power consumption due to the relatively smaller propagation loss and switching energy.
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© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhoufeng Ying, Zheng Wang, Shounak Dhar, Zheng Zhao, David Z. Pan, and Ray T. Chen "Microresonator-based electro-optic full adder for optical computing in integrated photonics (Conference Presentation)", Proc. SPIE 10538, Optical Interconnects XVIII, 1053803 (14 March 2018); https://doi.org/10.1117/12.2288543
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