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Paper Abstract and Keywords
Presentation 2019-07-19 13:05
Widening the polarization conversion properties of an L-figured Si-wire waveguide
Yuto Nakagawa, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EMT2019-38 MW2019-51 OPE2019-42 EST2019-40 MWP2019-38
Abstract (in Japanese) (See Japanese page) 
(in English) We present the design guideline of a polarization converter consisting of an L-figured Si-wire waveguide that operates over a wide bandwidth with low insertion loss. The use of the normalized frequency allows us to select a range of the core width. The normalized effective index difference between the first and second modes is evaluated by the eigenmode analysis. Finally, we evaluate the conversion length and the insertion loss as a function of the defect amount of the core. As a result, an extinction ratio of more than 20 dB is achieved with an insertion loss of less than 1 dB over a wavelength range of 1.3 μm to 1.6 μm with a range of the core width from 0.3 μm to 0.32 μm.
Keyword (in Japanese) (See Japanese page) 
(in English) Si-wire waveguide / polarization converter / normalized frequency / beam-propagation method / finite-difference time-domain method / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 128, OPE2019-42, pp. 183-188, July 2019.
Paper # OPE2019-42 
Date of Issue 2019-07-11 (EMT, MW, OPE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF EMT2019-38 MW2019-51 OPE2019-42 EST2019-40 MWP2019-38

Conference Information
Conference Date 2019-07-18 - 2019-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate City Central Library 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To OPE 
Conference Code 2019-07-MW-EST-OPE-MWP-EMT-EMT-THz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Widening the polarization conversion properties of an L-figured Si-wire waveguide 
Sub Title (in English)  
Keyword(1) Si-wire waveguide  
Keyword(2) polarization converter  
Keyword(3) normalized frequency  
Keyword(4) beam-propagation method  
Keyword(5) finite-difference time-domain method  
1st Author's Name Yuto Nakagawa  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Junji Yamauchi  
2nd Author's Affiliation Hosei University (Hosei Univ.)
3rd Author's Name Hisamatsu Nakano  
3rd Author's Affiliation Hosei University (Hosei Univ.)
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Date Time 2019-07-19 13:05:00 
Presentation Time 25 
Registration for OPE 
Paper # IEICE-EMT2019-38,IEICE-MW2019-51,IEICE-OPE2019-42,IEICE-EST2019-40,IEICE-MWP2019-38 
Volume (vol) IEICE-119 
Number (no) no.126(EMT), no.127(MW), no.128(OPE), no.129(EST), no.130(MWP) 
Page pp.183-188 
#Pages IEICE-6 
Date of Issue IEICE-EMT-2019-07-11,IEICE-MW-2019-07-11,IEICE-OPE-2019-07-11,IEICE-EST-2019-07-11,IEICE-MWP-2019-07-11 

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