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Paper Abstract and Keywords
Presentation 2012-01-27 16:05
Quantum Well Mach-Zehnder Modulator with Microring Resonator
Taro Arakawa, Hiroki Kaneshige, Yuta Ueyama, Hitoshi Yamada, Yasuo Kokubun (Yokohama National Univ.) PN2011-78 OPE2011-194 LQE2011-180 EST2011-128 MWP2011-96
Abstract (in Japanese) (See Japanese page) 
(in English) We propose and a novel InGaAs/InAlAs multiple quantum well (MQW) microring Mach-Zehnder (MZ) modulator (MR-MZ), and a significant reduction of driving voltage is demonstrated for the first time. The modulator is driven by the quantum-confined Stark effect (QCSE) in the MQW and the driving voltage of the proposed modulator is expected to be significantly reduced by the phase shift enhancement effect in the microring. In this study, we designed and fabricated an InGaAs/InAlAs MQW MZ with a single microring resonator. As a MQW core layer of the microring resonator, five-layer asymmetric coupled quantum wells (FACQWs) were used. The driving voltage and the extinction ratio of the fabricated MR-MZ modulator were approximately 3.5 V and 27 dB at the wavelength of 1.55 m, respectively. The product of half-wave voltage and phase shifter length VL is 1.7 Vmm in DC modulation. This value is one-fourth that of a conventional MZ modulator with the same waveguide structure.
Keyword (in Japanese) (See Japanese page) 
(in English) Microring resonator / Mach-Zehnder modulator / Quantum well / InGaAs / QCSE / Electro-optic effect / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 414, LQE2011-180, pp. 313-318, Jan. 2012.
Paper # LQE2011-180 
Date of Issue 2012-01-19 (PN, OPE, LQE, EST, MWP) 
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 PN2011-78 OPE2011-194 LQE2011-180 EST2011-128 MWP2011-96

Conference Information
Committee EMT PN LQE OPE MWP EST IEE-EMT  
Conference Date 2012-01-26 - 2012-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic integrated circuits and devices, swtiching, PLC, fiber devices, waveguide analysis, and others 
Paper Information
Registration To LQE 
Conference Code 2012-01-EMT-PN-LQE-OPE-MWP-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantum Well Mach-Zehnder Modulator with Microring Resonator 
Sub Title (in English)  
Keyword(1) Microring resonator  
Keyword(2) Mach-Zehnder modulator  
Keyword(3) Quantum well  
Keyword(4) InGaAs  
Keyword(5) QCSE  
Keyword(6) Electro-optic effect  
Keyword(7)  
Keyword(8)  
1st Author's Name Taro Arakawa  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Hiroki Kaneshige  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Yuta Ueyama  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
4th Author's Name Hitoshi Yamada  
4th Author's Affiliation Yokohama National University (Yokohama National Univ.)
5th Author's Name Yasuo Kokubun  
5th Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2012-01-27 16:05:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # PN2011-78, OPE2011-194, LQE2011-180, EST2011-128, MWP2011-96 
Volume (vol) vol.111 
Number (no) no.412(PN), no.413(OPE), no.414(LQE), no.415(EST), no.416(MWP) 
Page pp.313-318 
#Pages 6 
Date of Issue 2012-01-19 (PN, OPE, LQE, EST, MWP) 

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