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Paper Abstract and Keywords
Presentation 2012-05-25 10:25
Wavelength tuning characteristics of a 200-GHz channel spacing arrayed-waveguide grating using PLZT buried waveguides
Hideaki Asakura (Keio Univ.), Keiichi Nashimoto, David Kudzuma, Masahiko Hashimoto (EpiPhotonics), Hiroyuki Tsuda (Keio Univ.) LQE2012-3
Abstract (in Japanese) (See Japanese page) 
(in English) We fabricated an AWG (arrayed-waveguide grating) with 8 output channels at a spacing of 200 GHz, using PLZT ((Pb, La)(Zr, Ti)$\mathrm{O_{3}}$) buried waveguides. The PLZT buried waveguides have lower propagation loss and higher optical confinement compared to the previously reported ridge PLZT waveguides. Applying voltage to the electrodes of the PLZT-AWG, the center wavelength can be tuned over 1600 GHz. The 3-dB bandwidth was 110 GHz, and the maximum control voltage was 14V. The crosstalk was -14 dB for TE (transverse electric) polarized light and -13 dB for TM (transverse magnetic) polarized light. The rise and fall time were less than 40 ns to select certain wavelength channel.
Keyword (in Japanese) (See Japanese page) 
(in English) Arrayed-waveguide grating / PLZT / Tunable filter / Electro-optic effect / Planar lightwave circuit / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 62, LQE2012-3, pp. 11-14, May 2012.
Paper # LQE2012-3 
Date of Issue 2012-05-18 (LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 LQE LSJ  
Conference Date 2012-05-25 - 2012-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Fukui (Bunkyo Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum optics, nonlinear optics, ultra-high speed phenomenon, etc. 
Paper Information
Registration To LQE 
Conference Code 2012-05-LQE-LSJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wavelength tuning characteristics of a 200-GHz channel spacing arrayed-waveguide grating using PLZT buried waveguides 
Sub Title (in English)  
Keyword(1) Arrayed-waveguide grating  
Keyword(2) PLZT  
Keyword(3) Tunable filter  
Keyword(4) Electro-optic effect  
Keyword(5) Planar lightwave circuit  
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Keyword(7)  
Keyword(8)  
1st Author's Name Hideaki Asakura  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Keiichi Nashimoto  
2nd Author's Affiliation EpiPhotonics Corp (EpiPhotonics)
3rd Author's Name David Kudzuma  
3rd Author's Affiliation EpiPhotonics Corp (EpiPhotonics)
4th Author's Name Masahiko Hashimoto  
4th Author's Affiliation EpiPhotonics Corp (EpiPhotonics)
5th Author's Name Hiroyuki Tsuda  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2012-05-25 10:25:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # LQE2012-3 
Volume (vol) vol.112 
Number (no) no.62 
Page pp.11-14 
#Pages 4 
Date of Issue 2012-05-18 (LQE) 

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