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| Presentation | 2020-01-31 13:25 A polarization splitter using a hybrid plasmonic waveguide operating in the terahertz region Arata Yamamoto, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.)  EST2019-96 Link to ES Tech. Rep. Archives: EST2019-96 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose a polarization splitter consisting of a hybrid plasmonic waveguide (HPW) and a dielectric waveguide (DW) in the terahertz region. Indium antimonide is used for the HPW. First, we carry out the eigenmode analysis of the HPW and DW using the beam-propagation method based on Yee's mesh and evaluate the effective refractive indices. For the TE mode, it is shown that there exist waveguide widths with the phase matching condition being satisfied between the two waveguides. Next, the HPW and DW are arranged in parallel to form a polarization splitter. The coupling length of the TE mode is calculated with respect to the waveguide width. When the core width of the HPW is 73 μm and that of the DW is 70 μm, it is indicated that the coupling length is relatively long (2682 μm). To shorten the coupling length, a dielectric material is embedded into the space between the two waveguides. It is shown that the coupling length is reduced to 1038 μm by embedding the dielectric material. Finally, the propagation analysis is performed using the finite-difference time-domain method.The extinction ratios of the TE and TM modes are evaluated, and the polarization splitting behavior is demonstrated. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Terahertz (THz) wave / Polarization splitter / Hybrid plasmonic waveguide / Indium antimonide (InSb) / Finite-difference time-domain (FDTD) method / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 407, EST2019-96, pp. 85-89, Jan. 2020. | |
| Paper # | EST2019-96 | |
| Date of Issue | 2020-01-23 (EST) | |
| 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 | EST2019-96 Link to ES Tech. Rep. Archives: EST2019-96 |
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| Conference Information | |
| Committee | EST |
| Conference Date | 2020-01-30 - 2020-01-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Beppu International Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Simulation Technique, etc. |
| Paper Information | |
| Registration To | EST |
| Conference Code | 2020-01-EST |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A polarization splitter using a hybrid plasmonic waveguide operating in the terahertz region |
| Sub Title (in English) | |
| Keyword(1) | Terahertz (THz) wave |
| Keyword(2) | Polarization splitter |
| Keyword(3) | Hybrid plasmonic waveguide |
| Keyword(4) | Indium antimonide (InSb) |
| Keyword(5) | Finite-difference time-domain (FDTD) method |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Arata Yamamoto |
| 1st Author's Affiliation | Hosei University (Hosei Univ.) |
| 2nd Author's Name | Jun Shibayama |
| 2nd Author's Affiliation | Hosei University (Hosei Univ.) |
| 3rd Author's Name | Junji Yamauchi |
| 3rd Author's Affiliation | Hosei University (Hosei Univ.) |
| 4th Author's Name | Hisamatsu Nakano |
| 4th Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-01-31 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | EST |
| Paper # | EST2019-96 |
| Volume (vol) | vol.119 |
| Number (no) | no.407 |
| Page | pp.85-89 |
| #Pages | 5 |
| Date of Issue | 2020-01-23 (EST) |
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