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Paper Abstract and Keywords
Presentation 2009-01-29 17:40
Investigation of wavelength dependence of waveguide-type optical circuit for QPSK multi-bit label recognition
Yoshihiro Makimoto, Hitoshi Hiura, Nobuo Goto, Shin-ichiro Yanagiya (Univ. Tokushima) PN2008-57 OPE2008-160 LQE2008-157
Abstract (in Japanese) (See Japanese page) 
(in English) Optical processing is expected in routing nodes for photonic networks. In label routing networks, a
device to recognize optical labels is one of the key devices. We have proposed a waveguide device for recognizing optical Quadri Phase Shift Keying (QPSK) code. The phase identification device for the QPSK optical code consists of a 3dB directional couple, two Y-junctions and an asymmetic X-junction. By using interference between an optical QPSK pulse and a reference bit pulse, the device distinguishes the optical phase. QPSK codes consisting of plural bits can also be recognized by connecting the basic module devices in a tree structure through a phase adjustment
circuit. In this paper, we present BPM simulation results of recongnition device for two-bits QPSK labels to confirm the proposed operation and discuss the wavelength dependence.
Keyword (in Japanese) (See Japanese page) 
(in English) QPSK optical code / Optical label / Self routing / Wavelength dependence / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, Jan. 2009.
Paper #  
Date of Issue 2009-01-22 (PN, OPE, LQE) 
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)
Download PDF PN2008-57 OPE2008-160 LQE2008-157

Conference Information
Committee PN OPE EMT LQE  
Conference Date 2009-01-29 - 2009-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Institute Technology (Matsugasaki Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMT 
Conference Code 2009-01-PN-OPE-EMT-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of wavelength dependence of waveguide-type optical circuit for QPSK multi-bit label recognition 
Sub Title (in English)  
Keyword(1) QPSK optical code  
Keyword(2) Optical label  
Keyword(3) Self routing  
Keyword(4) Wavelength dependence  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshihiro Makimoto  
1st Author's Affiliation The Univesity of Tokushima (Univ. Tokushima)
2nd Author's Name Hitoshi Hiura  
2nd Author's Affiliation The Univesity of Tokushima (Univ. Tokushima)
3rd Author's Name Nobuo Goto  
3rd Author's Affiliation The Univesity of Tokushima (Univ. Tokushima)
4th Author's Name Shin-ichiro Yanagiya  
4th Author's Affiliation The Univesity of Tokushima (Univ. Tokushima)
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Speaker Author-1 
Date Time 2009-01-29 17:40:00 
Presentation Time 25 minutes 
Registration for EMT 
Paper # PN2008-57, OPE2008-160, LQE2008-157 
Volume (vol) vol.108 
Number (no) no.417(PN), no.418(OPE), no.419(LQE) 
Page pp.83-88 
#Pages 6 
Date of Issue 2009-01-22 (PN, OPE, LQE) 

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