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Paper Abstract and Keywords
Presentation 2013-01-25 16:35
Electro-optic SSB modulator integrated with coplanar waveguide type branch-line coupler
Kazuyo Kawamura, Takeshi Nakao, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Tetsuya Kawanishi (NICT) PN2012-71 OPE2012-180 LQE2012-172 EST2012-107 MWP2012-89 Link to ES Tech. Rep. Archives: OPE2012-180 LQE2012-172 EST2012-107 MWP2012-89
Abstract (in Japanese) (See Japanese page) 
(in English) Optical SSB modulation by the electro-optic modulator requires two modulation signals with π/2 phase difference, which are generally prepared by using individual microwave components. Such SSB modulators including the microwave components have large dimensions and require fine adjustment of phase and amplitude of the two modulation signals. In this report, coplanar waveguide type branch-line coupler was prepared on LiNbO3(LN) substrate and integrated with modulation electrodes to prepare the two modulation signals from a single input signal. Thereby, the optical SSB modulator with miniaturized configuration and stabilized modulator operation would be realized with the single-tip configuration. By the modulation experiment at around 10 GHz modulation frequencies with 1550 nm wavelength, we confirmed the optical SSB modulation with the sideband suppression ratio of about 20dB.
Keyword (in Japanese) (See Japanese page) 
(in English) Electro-optic modulation / Branch-line coupler / Lithium Niobate / Optical SSB modulation / Integration / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 402, MWP2012-89, pp. 283-288, Jan. 2013.
Paper # MWP2012-89 
Date of Issue 2013-01-17 (PN, OPE, LQE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF PN2012-71 OPE2012-180 LQE2012-172 EST2012-107 MWP2012-89 Link to ES Tech. Rep. Archives: OPE2012-180 LQE2012-172 EST2012-107 MWP2012-89

Conference Information
Committee PN EMT LQE OPE MWP EST IEE-EMT  
Conference Date 2013-01-24 - 2013-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. (Suita) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic integrated circuits and devices, swtiching, PLC, fiber devices, waveguide analysis, and others 
Paper Information
Registration To MWP 
Conference Code 2013-01-PN-EMT-LQE-OPE-MWP-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electro-optic SSB modulator integrated with coplanar waveguide type branch-line coupler 
Sub Title (in English)  
Keyword(1) Electro-optic modulation  
Keyword(2) Branch-line coupler  
Keyword(3) Lithium Niobate  
Keyword(4) Optical SSB modulation  
Keyword(5) Integration  
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Keyword(7)  
Keyword(8)  
1st Author's Name Kazuyo Kawamura  
1st Author's Affiliation University of Hyogo (Univ. of Hyogo)
2nd Author's Name Takeshi Nakao  
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 Tetsuya Kawanishi  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2013-01-25 16:35:00 
Presentation Time 25 minutes 
Registration for MWP 
Paper # PN2012-71, OPE2012-180, LQE2012-172, EST2012-107, MWP2012-89 
Volume (vol) vol.112 
Number (no) no.398(PN), no.399(OPE), no.400(LQE), no.401(EST), no.402(MWP) 
Page pp.283-288 
#Pages
Date of Issue 2013-01-17 (PN, OPE, LQE, EST, MWP) 


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