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Paper Abstract and Keywords
Presentation 2008-10-24 08:55
Phase-locked array laser diodes by using 1xN active MMI
Teppei Fukuda, Kazunori Okamoto, Yasuhiro Hinokuma, Kiichi Hamamoto (Kyushu Univ.) OCS2008-66 OPE2008-109 LQE2008-78
Abstract (in Japanese) (See Japanese page) 
(in English) 1xN active multi-mode-interferometer (MMI) laser diodes (LDs), with integrated phase-match region, are demonstrated as phase-locked array LDs. In general, the output-port-phase of multi-mode-interference divider is not same among N output ports. This phase-mismatch leads to enormous excess loss inside of 1xN active MMI LD cavity, which results in very low quantum efficiency or even not lasing. Therefore we integrate phase-match region, which leads to regular lasing, without any enormous excess loss. The implemented 1x3 active MMI-LDs showed lasing without enormous quantum-efficiency degradation and significant output power increase of 200mW, compared to the regular single-stripe LDs fabricated simultaneously, with phase-locked condition.
Keyword (in Japanese) (See Japanese page) 
(in English) array laser diode / phase-locked laser diode / 1xN active MMI-LD / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 260, OPE2008-109, pp. 95-100, Oct. 2008.
Paper # OPE2008-109 
Date of Issue 2008-10-16 (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 OCS2008-66 OPE2008-109 LQE2008-78

Conference Information
Committee OCS LQE OPE  
Conference Date 2008-10-23 - 2008-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2008-10-OCS-LQE-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Phase-locked array laser diodes by using 1xN active MMI 
Sub Title (in English)  
Keyword(1) array laser diode  
Keyword(2) phase-locked laser diode  
Keyword(3) 1xN active MMI-LD  
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1st Author's Name Teppei Fukuda  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Kazunori Okamoto  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Yasuhiro Hinokuma  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Kiichi Hamamoto  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2008-10-24 08:55:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OCS2008-66, OPE2008-109, LQE2008-78 
Volume (vol) vol.108 
Number (no) no.259(OCS), no.260(OPE), no.261(LQE) 
Page pp.95-100 
#Pages 6 
Date of Issue 2008-10-16 (OCS, OPE, LQE) 

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