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Paper Abstract and Keywords
Presentation 2008-05-23 15:50
Yu Narita, Hiroyuki Tsuda (Keio Univ.) LQE2008-14 Link to ES Tech. Rep. Archives: LQE2008-14
Abstract (in Japanese) (See Japanese page) 
(in English) Novel 1x2 and 2x2 photonic switches based on the multimode interference (MMI) effect are proposed. It is assumed that these switches use III/V compound semiconductor material and contain parallel electrodes in an MMI waveguide, which cause a refractive index change, $\Delta$n, when current is injected into them. The device structures are analyzed and optimized by the wide-angle finite difference beam propagation method (FD-BPM). As a result, the analyses show that the 1x2 MMI switch can achieve very low crosstalk of -54.7 dB when $\Delta$n = -0.03. Similarly, the 2x2 MMI switch can achieve very low crosstalk of -52.9 dB for the cross state and -43.8 dB for the bar state when $\Delta$n = -0.03.
Keyword (in Japanese) (See Japanese page) 
(in English) Multimode Interference / MMI / Photonic Switch / Semiconductor Waveguide Device / Crosstalk / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 51, LQE2008-14, pp. 63-66, May 2008.
Paper # LQE2008-14 
Date of Issue 2008-05-16 (LQE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF LQE2008-14 Link to ES Tech. Rep. Archives: LQE2008-14

Conference Information
Committee LQE  
Conference Date 2008-05-23 - 2008-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Bunkyo Campus, Univ. Of Fukui 
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 2008-05-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English)
Sub Title (in English)  
Keyword(1) Multimode Interference  
Keyword(2) MMI  
Keyword(3) Photonic Switch  
Keyword(4) Semiconductor Waveguide Device  
Keyword(5) Crosstalk  
1st Author's Name Yu Narita  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Hiroyuki Tsuda  
2nd Author's Affiliation Keio University (Keio Univ.)
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Date Time 2008-05-23 15:50:00 
Presentation Time 25 
Registration for LQE 
Paper # IEICE-LQE2008-14 
Volume (vol) IEICE-108 
Number (no) no.51 
Page pp.63-66 
#Pages IEICE-4 
Date of Issue IEICE-LQE-2008-05-16 

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