4 × 4 Integrated Switches Based on On-Chip Wireless Connection through Optical Phased Arrays
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Published:2023-03-25
Issue:4
Volume:10
Page:367
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ISSN:2304-6732
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Container-title:Photonics
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language:en
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Short-container-title:Photonics
Author:
Calò Giovanna1ORCID, Bellanca Gaetano2ORCID, Fuschini Franco3ORCID, Barbiroli Marina3ORCID, Bertozzi Davide2, Tralli Velio2, Petruzzelli Vincenzo1ORCID
Affiliation:
1. Department of Electrical and Information Engineering, Polytechnic University of Bari, Via Orabona, 4, 70125 Bari, Italy 2. Department of Engineering, University of Ferrara and CNIT, Via Saragat, 1, 44122 Ferrara, Italy 3. Department of Electrical, Electronic and Information Engineering “G. Marconi”, University of Bologna, Viale del Risorgimento, 2, 40136 Bologna, Italy
Abstract
Optical Wireless Networks on-Chip are an emerging technology recently proposed to improve the interconnection between different processing units in densely integrated computing architectures. In this work, we propose a 4 × 4 optical wireless switch (OWS) based on optical phased arrays (OPAs) for broadband reconfigurable on-chip communication. The OPA and OWS design criteria are reported. Moreover, the performances of the OWS are analyzed and optimized considering the electromagnetic propagation in on-chip multilayer structures, with different thicknesses of the cladding layer. The effect on the OWS behavior of a non-ideal distribution of the power in input to the OPA is also investigated by designing a 1 × 7 beam splitter, based on a single-stage multi-mode interference (MMI) device to be used as a single element of the OWS. Then, the MMI output signals are considered in input to the transmitting OPAs and the OWS performances are evaluated.
Subject
Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics
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