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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 Link to ES Tech. Rep. Archives: 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
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Download PDF OCS2016-37 OPE2016-78 LQE2016-53 Link to ES Tech. Rep. Archives: 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
Date of Issue 2016-10-20 (OCS, OPE, LQE) 


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