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Paper Abstract and Keywords
Presentation 2014-10-31 10:45
Studies of an athermal IQ optical modulator and the integratability on (110) InP substrate
Yoshihiro Ogiso, Yasuhiko Nakanishi, Shigeru Kanazawa, Eiichi Yamada, Hiromasa Tanobe, Yasuo Shibata, Masaki Kohtoku (NTT) OCS2014-72 OPE2014-116 LQE2014-90
Abstract (in Japanese) (See Japanese page) 
(in English) An InP-based athermal in-phase and quadrature optical modulator (IQM) was demonstrated for the first time. A single-RF drive push-pull MZM with a simple coplanar waveguide (CPW) was fabricated by utilizing a (110)-oriented InP substrate in terms of the crystallographic orientation dependence of the electro-optic Pockels effect. The device exhibits a 3 dB-EO bandwidth of over 25 GHz, and 56-Gb/s × 2 QPSK modulation. The variation in Q-factor over the entire range (20- 80 oC) is less than 1.0 dB. Furthermore, a polarization converter with a trapezoidal core and a polarization beam splitter/combiner, which are suitable for device integration, were also successfully demonstrated. The converter exhibited a polarization conversion ratio of over 98% (C-L band) and a polarization extinction ratio of 10 dB (C band) in the polarization splitter.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical modulator / InP / (110) substrate / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 281, OCS2014-72, pp. 159-162, Oct. 2014.
Paper # OCS2014-72 
Date of Issue 2014-10-23 (OCS, OPE, 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)
Download PDF OCS2014-72 OPE2014-116 LQE2014-90

Conference Information
Committee OCS OPE LQE  
Conference Date 2014-10-30 - 2014-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Museum of History and Culture 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2014-10-OCS-OPE-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Studies of an athermal IQ optical modulator and the integratability on (110) InP substrate 
Sub Title (in English)  
Keyword(1) Optical modulator  
Keyword(2) InP  
Keyword(3) (110) substrate  
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1st Author's Name Yoshihiro Ogiso  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Yasuhiko Nakanishi  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Shigeru Kanazawa  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Eiichi Yamada  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Hiromasa Tanobe  
5th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
6th Author's Name Yasuo Shibata  
6th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
7th Author's Name Masaki Kohtoku  
7th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2014-10-31 10:45:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2014-72, OPE2014-116, LQE2014-90 
Volume (vol) vol.114 
Number (no) no.281(OCS), no.282(OPE), no.283(LQE) 
Page pp.159-162 
#Pages 4 
Date of Issue 2014-10-23 (OCS, OPE, LQE) 

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