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Programmable Integrated Photonics$
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José Capmany and Daniel Pérez

Print publication date: 2020

Print ISBN-13: 9780198844402

Published to Oxford Scholarship Online: May 2020

DOI: 10.1093/oso/9780198844402.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use.date: 07 July 2022

Integrated Waveguide Meshes

Integrated Waveguide Meshes

Chapter:
(p.141) 5 Integrated Waveguide Meshes
Source:
Programmable Integrated Photonics
Author(s):

José Capmany

Daniel Pérez

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198844402.003.0005

Integrated waveguide meshes are the third evolutionary step in programmable photonics, and rely on the large-scale repetition of interferometric waveguide elements and phase actuators conceived and designed to implement a common hardware platform that enables the programming of arbitrary photonic circuit topologies and design parameters by suitable setting of its control signals. In contrast to linear feedforward-only programmable circuits, these circuits enable the synthesis of optical cavities, optical loops and feedbackward paths. Their improved versatility entails a paradigm shift regarding the development of application-specific photonic integrated circuits. Here, the long and costly test cycles can be potentially substituted by off-the-shelf ready-to-use circuits. This allows them to be applied to myriad systems requiring optical linear processing and dynamic configuration. This chapter introduces the basic design principles and the implementations of the most popular designs. It then provides a comparative analysis of alternative waveguide mesh arrangements and their performance evaluation.

Keywords:   waveguide meshes, integrated optics, optical waveguides, programmable circuits, photonic chips, photonic devices

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