Affiliation:
1. Nanjing University of Science and Technology
Abstract
Photonic integrated circuits with compact design have opened possibilities for the development of optical computing systems; however, the overuse of photonic components in optical designs has slowed the progress of dense integration. In this paper, we propose an ultra-compact optical full-adder based on directed logic and microring resonators. To the best of our knowledge, the proposed structure requires fewer optical components than any other current designs, resulting in a significantly reduced footprint 59.2µm×29.2µm. Also, the proposed structure exhibits a maximum delay time of approximately 10 ps, implying a minimum date rate of 100 GHz. Simulation results by finite-difference time-domain (FDTD) demonstrate the effectiveness and feasibility of the proposed optical full-adder.
Funder
National Natural Science Foundation of China
Fundamental Research Funds for the Central Universities
Funds of the Key Laboratory of National Defense Science and Technology
Leading Technology of Jiangsu Basic Research Plan
Jiangsu Funding Program for Excellent Postdoctoral Talent
Postgraduate Research & Practice Innovation Program of Jiangsu Province
Subject
Atomic and Molecular Physics, and Optics,Engineering (miscellaneous),Electrical and Electronic Engineering