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Paper Abstract and Keywords
Presentation 2016-10-27 11:25
Narrow line-widths of third-order comb-components in optical-frequency-comb spectrum generated by our Giga-Herz all-optical-gate-based mode-locked pulsed laser
Kengo Okano, Kodai Ishida, Makoto Takeshita, Yuuki Setagawa, Shota Kawakami, Yusuke Minamide, Yoshiyasu Ueno (UEC) OCS2016-37 OPE2016-78 LQE2016-53
Abstract (in Japanese) (See Japanese page) 
(in English) Mode-locked lasers which generate precise pulse trains and optical frequency-comb spectra are valuable light sources for use in high-speed communication systems, and in environmental gaseous molecule sensor systems. Such molecule sensor systems’ diagnostic resolutions are strongly affected, too, by the width of frequency-comb’s equally-spaced spectral components. The all-optical semiconductor-gate-based mode-locked laser scheme of this group is supposed to have scientifically significant advantages in terms of the tunability of optical center frequency, the compatibility to conventional integrated planar-wave-guided structures, etc. We’ve recently demonstrated the fact that the increases in the line-widths of both plus and minus first-order comb components (located next to its central component) from the above-mentioned home-made 40-GHz-repetition mode-locked laser are narrower than one MHz. Line-widths of higher-order comb components were, however, not yet characterized. In this work, we carefully characterize the line-widths of both plus and minus second- and third-order comb components from a similar 40-GHz laser, for the first time, to see whether or not the increases in widths of those higher-order comb components are still always narrower than one MHz, which relatively corresponds to 4 ppm with respect to this optical comb’s spacings, 40 GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Spectral line-width / Optical frequency comb / Delayed self-heterodyne method / Mode-locked laser / Semiconductor optical amplifier / Ultrafast optical communication / Environmental molecular sensor /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 274, OPE2016-78, pp. 13-18, Oct. 2016.
Paper # OPE2016-78 
Date of Issue 2016-10-20 (OCS, 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 OCS2016-37 OPE2016-78 LQE2016-53

Conference Information
Committee LQE OPE OCS  
Conference Date 2016-10-27 - 2016-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Citizen's Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2016-10-LQE-OPE-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Narrow line-widths of third-order comb-components in optical-frequency-comb spectrum generated by our Giga-Herz all-optical-gate-based mode-locked pulsed laser 
Sub Title (in English)  
Keyword(1) Spectral line-width  
Keyword(2) Optical frequency comb  
Keyword(3) Delayed self-heterodyne method  
Keyword(4) Mode-locked laser  
Keyword(5) Semiconductor optical amplifier  
Keyword(6) Ultrafast optical communication  
Keyword(7) Environmental molecular sensor  
Keyword(8)  
1st Author's Name Kengo Okano  
1st Author's Affiliation University of Electro-Communications (UEC)
2nd Author's Name Kodai Ishida  
2nd Author's Affiliation University of Electro-Communications (UEC)
3rd Author's Name Makoto Takeshita  
3rd Author's Affiliation University of Electro-Communications (UEC)
4th Author's Name Yuuki Setagawa  
4th Author's Affiliation University of Electro-Communications (UEC)
5th Author's Name Shota Kawakami  
5th Author's Affiliation University of Electro-Communications (UEC)
6th Author's Name Yusuke Minamide  
6th Author's Affiliation University of Electro-Communications (UEC)
7th Author's Name Yoshiyasu Ueno  
7th Author's Affiliation University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2016-10-27 11:25:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OCS2016-37, OPE2016-78, LQE2016-53 
Volume (vol) vol.116 
Number (no) no.273(OCS), no.274(OPE), no.275(LQE) 
Page pp.13-18 
#Pages 6 
Date of Issue 2016-10-20 (OCS, OPE, LQE) 

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