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Paper Abstract and Keywords
Presentation 2017-12-07 11:15
Investigation of Performance Improvement of a Si Photonic Optical OFDM Demultiplexer with Phase Monitors
Tomohiro Naganuma, Kohei Simosawa, Kohei Morita, Hiroyuki Uenohara (Tokyo Tech) OPE2017-93
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, optical OFDM, which is based on OFDM conventionally used for wireless communication, has been studied to improve the spectral efficiency. We have been investigating an optical OFDM demultiplexer using Si waveguide structure as a method to make optical OFDM system smaller and lower power consumption. However, there is a problem that the transmissivity spectrum cannot be easily controlled with phase shifters existing in the waveguide due to fabrication error, and thus the desired operation cannot be realized. Therefore, in this study, we have introduced the phase monitors that identifies the phase of each waveguide by interfering split signals from the waveguides, and evaluated the characteristics in experiments. As a result, the transmissivity spectrum of the device became significantly different from the simulation results. We will report on the investigation of the cause of discrepancy.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical OFDM / Silicon photonics / Discrete Fourier transform / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 339, OPE2017-93, pp. 19-24, Dec. 2017.
Paper # OPE2017-93 
Date of Issue 2017-11-30 (OPE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee OPE  
Conference Date 2017-12-07 - 2017-12-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2017-12-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Performance Improvement of a Si Photonic Optical OFDM Demultiplexer with Phase Monitors 
Sub Title (in English)  
Keyword(1) Optical OFDM  
Keyword(2) Silicon photonics  
Keyword(3) Discrete Fourier transform  
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1st Author's Name Tomohiro Naganuma  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Kohei Simosawa  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Kohei Morita  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
4th Author's Name Hiroyuki Uenohara  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2017-12-07 11:15:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OPE2017-93 
Volume (vol) vol.117 
Number (no) no.339 
Page pp.19-24 
#Pages 6 
Date of Issue 2017-11-30 (OPE) 

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