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Paper Abstract and Keywords
Presentation 2018-08-24 13:40
Oscillation chracteristics of a narrow linewidth DFB LD array with an optical feedback method
Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.) R2018-31 EMD2018-34 CPM2018-34 OPE2018-61 LQE2018-50
Abstract (in Japanese) (See Japanese page) 
(in English) We describe a 1.5 m, narrow linewidth, high output power wavelength tunable LD with a self-optical feedback circuit. By incorporating an optical circulator-based feedback circuit in a DFB LD array, we have successfully reduced the oscillation linewidth from several MHz to less than 8 kHz over the full C-band range. A high output power of approximately 50 mW and a low relative intensity noise of less than -130 dB/Hz were simultaneously achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) Semiconductor laser / Wavelength tunable laser / DFB / Optical feedback / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 189, LQE2018-50, pp. 73-78, Aug. 2018.
Paper # LQE2018-50 
Date of Issue 2018-08-16 (R, EMD, CPM, OPE, LQE) 
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 R2018-31 EMD2018-34 CPM2018-34 OPE2018-61 LQE2018-50

Conference Information
Committee EMD LQE OPE CPM R  
Conference Date 2018-08-23 - 2018-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Otaru Camber of Commerce & Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2018-08-EMD-LQE-OPE-CPM-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Oscillation chracteristics of a narrow linewidth DFB LD array with an optical feedback method 
Sub Title (in English)  
Keyword(1) Semiconductor laser  
Keyword(2) Wavelength tunable laser  
Keyword(3) DFB  
Keyword(4) Optical feedback  
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1st Author's Name Keisuke Kasai  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Masataka Nakazawa  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2018-08-24 13:40:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # R2018-31, EMD2018-34, CPM2018-34, OPE2018-61, LQE2018-50 
Volume (vol) vol.118 
Number (no) no.185(R), no.186(EMD), no.187(CPM), no.188(OPE), no.189(LQE) 
Page pp.73-78 
#Pages 6 
Date of Issue 2018-08-16 (R, EMD, CPM, OPE, LQE) 

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