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Paper Abstract and Keywords
Presentation 2024-08-23 10:55
[Invited Talk] Oscillation Spectrum of Harmonically Mode-Locked Fiber Laser Utilizing Semiconductor Optical Amplifier
Joji Maeda (Tokyo Univ. of Science) OFT2024-26
Abstract (in Japanese) (See Japanese page) 
(in English) The output pulse stream from harmonically mode-locked fiber lasers can exhibit amplitude fluctuations, known as supermode noise, which are caused by competition between oscillating mode groups. In this paper, the author presents the results of an experimental investigation into the oscillation spectrum of a harmonically mode-locked fiber laser incorporating a semiconductor optical amplifier (SOA) within the laser cavity at the aim of suppressing supermode noise. After a review of the principles of the laser system utilized in the experiments, the author demonstrates that the use of the SOA successfully stabilized the pulse amplitude; however, despite the use of an electrical phase-locked loop, the oscillation spectrum could not be fixed. Additionally, it was observed that the spectral width of the laser output was narrower than anticipated. To further enhance the oscillation spectrum, it is essential to align the modulation frequency with the gain ripple of the SOA.
Keyword (in Japanese) (See Japanese page) 
(in English) Fiber Lasers / Optical Semiconductor Amplifier / Mode Locking / Optical Comb Generation / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 156, OFT2024-26, pp. 29-34, Aug. 2024.
Paper # OFT2024-26 
Date of Issue 2024-08-15 (OFT) 
ISSN 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 OFT2024-26

Conference Information
Committee OCS OFT LSJ  
Conference Date 2024-08-22 - 2024-08-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To OFT 
Conference Code 2024-08-OCS-OFT-LSJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Oscillation Spectrum of Harmonically Mode-Locked Fiber Laser Utilizing Semiconductor Optical Amplifier 
Sub Title (in English)  
Keyword(1) Fiber Lasers  
Keyword(2) Optical Semiconductor Amplifier  
Keyword(3) Mode Locking  
Keyword(4) Optical Comb Generation  
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1st Author's Name Joji Maeda  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2024-08-23 10:55:00 
Presentation Time 40 minutes 
Registration for OFT 
Paper # OFT2024-26 
Volume (vol) vol.124 
Number (no) no.156 
Page pp.29-34 
#Pages 6 
Date of Issue 2024-08-15 (OFT) 

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