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| Presentation | 2022-01-27 09:35 Design and analysis of a three-dimensional TM-pass/TE-stop waveguide polarizer in the THz region Hiroki Tanaka, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.)  EST2021-56 Link to ES Tech. Rep. Archives: EST2021-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose a THz TM-pass/TE-stop waveguide polarizer, the core of which is sandwiched by semiconductor layers. First, we carry out the eigenmode analysis of the polarizer section using the imaginary-distance beam-propagation method. InAs is used for the semiconductor layer. We calculate the propagation loss of the eigenmodes for estimating an appropriate buffer thickness. Next, we analyze the polarizer using the finite-difference time-domain method. It is shown that an extinction ratio of more than 30 dB can be obtained at a designed frequency. Finally, we evaluate the frequency characteristics for a temperature change from 280 to 320 K, in comparison with the polarizer using InSb as the semiconductor layer. It is revealed that the peak frequency of an extinction ratio becomes higher as the temperature is increased for the sensor with the InSb layer. In contrast, the polarizer using the InAs layer is found to offer an extinction ratio of more than 15 dB over a frequency range of 1.25～1.38 THz from 280 to 320 K. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Finite-difference time-domain (FDTD) method / Terahertz(THz) / Surface plasmon polariton (SPP) / Polarizer / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 358, EST2021-56, pp. 1-5, Jan. 2022. | |
| Paper # | EST2021-56 | |
| Date of Issue | 2022-01-20 (EST) | |
| ISSN | 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 | EST2021-56 Link to ES Tech. Rep. Archives: EST2021-56 |
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| Conference Information | |
| Committee | EST |
| Conference Date | 2022-01-27 - 2022-01-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Simulation techniques, etc. |
| Paper Information | |
| Registration To | EST |
| Conference Code | 2022-01-EST |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design and analysis of a three-dimensional TM-pass/TE-stop waveguide polarizer in the THz region |
| Sub Title (in English) | |
| Keyword(1) | Finite-difference time-domain (FDTD) method |
| Keyword(2) | Terahertz(THz) |
| Keyword(3) | Surface plasmon polariton (SPP) |
| Keyword(4) | Polarizer |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroki Tanaka |
| 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 | 2022-01-27 09:35:00 |
| Presentation Time | 20 minutes |
| Registration for | EST |
| Paper # | EST2021-56 |
| Volume (vol) | vol.121 |
| Number (no) | no.358 |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2022-01-20 (EST) |
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