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Paper Abstract and Keywords
Presentation 2017-07-21 09:00
Optical frequency comb generation by electro-optic chirp modulator integrated with microwave power splitter circuit
Naoki Maeda, Ryota Nakamura, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29 Link to ES Tech. Rep. Archives: EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29
Abstract (in Japanese) (See Japanese page) 
(in English) The generation conditions of the frequency comb signals that are composed of relatively small number, seven or nine, of spectrum components were investigated by using a Mach-Zehnder electro-optic modulator (MZM). By the numerical calculations, it was found that the optical comb signal of less than 4dB flatness can be obtained at modulation index of around 2π rad by using a single MZM with the frequency chirp modulation. Moreover, it was also found that the perfect flatness can be realized by adjusting the optical power split ratio in Mach-Zehnder interferometer. The frequency chirp modulator was designed and fabricated using rat-race circuit with an asymmetric power split ratio integrated with modulation electrodes on a single substrate. An optical frequency comb signals of seven spectrum components with flatness of 1.92 dB was obtained by using a 10.8GHz modulation signal.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical frequency comb / Mach-Zehnder electro-optic modulator / Frequency chirp / Rat-race circuit / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 143, MWP2017-29, pp. 111-116, July 2017.
Paper # MWP2017-29 
Date of Issue 2017-07-13 (EMT, MW, OPE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29 Link to ES Tech. Rep. Archives: EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29

Conference Information
Committee MWP OPE EMT MW EST IEE-EMT  
Conference Date 2017-07-20 - 2017-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Obihiro Chamber of Commerce and Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To MWP 
Conference Code 2017-07-MWP-OPE-EMT-MW-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optical frequency comb generation by electro-optic chirp modulator integrated with microwave power splitter circuit 
Sub Title (in English)  
Keyword(1) Optical frequency comb  
Keyword(2) Mach-Zehnder electro-optic modulator  
Keyword(3) Frequency chirp  
Keyword(4) Rat-race circuit  
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1st Author's Name Naoki Maeda  
1st Author's Affiliation University of Hyogo (Univ. of Hyogo)
2nd Author's Name Ryota Nakamura  
2nd Author's Affiliation University of Hyogo (Univ. of Hyogo)
3rd Author's Name Tadashi Kawai  
3rd Author's Affiliation University of Hyogo (Univ. of Hyogo)
4th Author's Name Akira Enokihara  
4th Author's Affiliation University of Hyogo (Univ. of Hyogo)
5th Author's Name Naokatsu Yamamoto  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Tetsuya Kawanishi  
6th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2017-07-21 09:00:00 
Presentation Time 25 minutes 
Registration for MWP 
Paper # EMT2017-27, MW2017-52, OPE2017-32, EST2017-29, MWP2017-29 
Volume (vol) vol.117 
Number (no) no.139(EMT), no.140(MW), no.141(OPE), no.142(EST), no.143(MWP) 
Page pp.111-116 
#Pages
Date of Issue 2017-07-13 (EMT, MW, OPE, EST, MWP) 


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