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Paper Abstract and Keywords
Presentation 2015-12-10 16:30
Design of the 4-th order Optical Discrete Fourier Transformer with Asymmetric Mach-Zehnder Interferometer based on Si Buried Waveguide
Reiko Horiuchi, Haruki Yoshino, Masanori Hanawa (Univ. of Yamanashi) OPE2015-142
Abstract (in Japanese) (See Japanese page) 
(in English) Fourier-coded synchronous optical code division multiplexing (FE-OCDM) scheme may realize optical orthogonal frequency division multiplexing by all-optical signal processing based on a passive optical device, an optical discrete Fourier transformer (ODFT). In this report, a design of the 4-th order ODFT, which can be used as en/decoder for four-channel FE-SOCDM, with cascaded asymmetric Mach-Zehnder interferometers (AMZI) implemented as Si-buried optical waveguide is reported. In the proposed design, one of the AMZI arm consists of a fixed attenuator implemented as a directional coupler to avoid orthogonality degradation due to propagation losses in an optical delay line in another arm of the AMZI. In addition, to enable precise phase tuning, TiN heaters were added on a part of the delay line.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical discrete Fourier transformer / Asymmetric Mach-Zehnder interferometer / Si nano wire waveguide / OCDM / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 358, OPE2015-142, pp. 15-20, Dec. 2015.
Paper # OPE2015-142 
Date of Issue 2015-12-03 (OPE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 2015-12-10 - 2015-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Shiinoki Cultural Complex 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2015-12-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of the 4-th order Optical Discrete Fourier Transformer with Asymmetric Mach-Zehnder Interferometer based on Si Buried Waveguide 
Sub Title (in English)  
Keyword(1) Optical discrete Fourier transformer  
Keyword(2) Asymmetric Mach-Zehnder interferometer  
Keyword(3) Si nano wire waveguide  
Keyword(4) OCDM  
Keyword(5)  
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1st Author's Name Reiko Horiuchi  
1st Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
2nd Author's Name Haruki Yoshino  
2nd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
3rd Author's Name Masanori Hanawa  
3rd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
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Speaker Author-1 
Date Time 2015-12-10 16:30:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OPE2015-142 
Volume (vol) vol.115 
Number (no) no.358 
Page pp.15-20 
#Pages 6 
Date of Issue 2015-12-03 (OPE) 

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