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Paper Abstract and Keywords
Presentation 2019-10-17 10:00
Study of suitable optical confinement for GaInAsP membrane DR lasers
Naoki Takahashi, Weicheng Fang, Koichi Saito, Tomohiro Amemiya, Nobuhiko Nishiyama (Titech) OCS2019-28 OPE2019-66 LQE2019-44
Abstract (in Japanese) (See Japanese page) 
(in English) Large Scale Integrated circuits (LSI) have realized high performance according to the scaling rule. However, recent years, problems such as signal delay and increase of Joule heating have occurred in global wiring due to miniaturization accordance with the scaring rule. To solve those problems, on-chip optical interconnections that utilize photonic devices with extremely low power consumption and high-speed operation are strongly required. We have proposed membrane structure DFB and DR lasers which can obtain approximately 3 times higher modal gain than conventional semiconductor lasers, and reported their low threshold current operations. With aiming at low threshold current operation of the membrane DR laser, we focused on optical confinement and considered introduction of ridge structure. The result shows optical confinement of lateral direction can be improved by 15% compared with the conventional structure. In addition, in order to suppress spatial hole burning, which is a concern in membrane lasers with high κ, we studied the introduction of an ACPM grating, and theoretically showed that it was possible to alleviate electric field concentration and suppress spatial hole burning.
Keyword (in Japanese) (See Japanese page) 
(in English) semiconductor laser / membrane laser / distributed-reflector (DR) laser / ACPM grating / optical interconnect / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 231, LQE2019-44, pp. 7-10, Oct. 2019.
Paper # LQE2019-44 
Date of Issue 2019-10-10 (OCS, OPE, 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF OCS2019-28 OPE2019-66 LQE2019-44

Conference Information
Committee OCS LQE OPE  
Conference Date 2019-10-17 - 2019-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2019-10-OCS-LQE-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of suitable optical confinement for GaInAsP membrane DR lasers 
Sub Title (in English)  
Keyword(1) semiconductor laser  
Keyword(2) membrane laser  
Keyword(3) distributed-reflector (DR) laser  
Keyword(4) ACPM grating  
Keyword(5) optical interconnect  
1st Author's Name Naoki Takahashi  
1st Author's Affiliation Tokyo Institute of Technology (Titech)
2nd Author's Name Weicheng Fang  
2nd Author's Affiliation Tokyo Institute of Technology (Titech)
3rd Author's Name Koichi Saito  
3rd Author's Affiliation Tokyo Institute of Technology (Titech)
4th Author's Name Tomohiro Amemiya  
4th Author's Affiliation Tokyo Institute of Technology (Titech)
5th Author's Name Nobuhiko Nishiyama  
5th Author's Affiliation Tokyo Institute of Technology (Titech)
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Date Time 2019-10-17 10:00:00 
Presentation Time 25 
Registration for LQE 
Paper # IEICE-OCS2019-28,IEICE-OPE2019-66,IEICE-LQE2019-44 
Volume (vol) IEICE-119 
Number (no) no.229(OCS), no.230(OPE), no.231(LQE) 
Page pp.7-10 
#Pages IEICE-4 
Date of Issue IEICE-OCS-2019-10-10,IEICE-OPE-2019-10-10,IEICE-LQE-2019-10-10 

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