A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method
IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Distinguished Papers in Photonics
A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method
Eri TAGUCHI, Takeshi FUJISAWA, Yoko YAMASHITA, Shuntaro MAKINO, Nobutomo HANZAWA, Taiji SAKAMOTO, Takashi MATSUI, Kyozo TSUJIKAWA, Kazuhide NAKAJIMA, Fumihiko YAMAMOTO, Kunimasa SAITOH
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Keywords: WFM method, PLC, MDM, mode multi/demultiplexer
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2018 Volume E101.C Issue 7 Pages 518-526

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Abstract

A PLC based mode multi/demultiplexer based on asymmetric directional coupler has advantages in terms of compactness, mass productivity, low insertion loss, and matured reliability. However, it has relatively large wavelength dependence due to the difference of coupling length. To expand the bandwidth, we have designed two-mode (LP01/LP11a) multi/demultiplexer by wavefront matching method and demonstrated the broadband and low-loss characteristics. This paper reviews the device design by wavefront matching method and investigates the mechanism of its broadband characteristics.

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© 2018 The Institute of Electronics, Information and Communication Engineers
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