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| Presentation | 2019-12-24 10:05 Preliminary Study of Photocurrent Output from the Gate Electrode of a Grating-Gate Plasmonic THz Detector Taku Saito, Masaya Suzuki, Tomotaka Hosotani, Taiichi Otsuji (Tohoku Univ.), Yuma Takida, Hiromasa Ito, Hiroaki Minamide (RIKEN.), Akira Satou (Tohoku Univ.)  ED2019-88 Link to ES Tech. Rep. Archives: ED2019-88 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have developed grating-gate plasmonic THz detectors, which are promising as room-temperature-operating, sensitive, high-speed THz detectors. In a conventional way, the photovoltage generated in a detector channel is output from the drain electrode. In this case, the photovoltage is proportional to the channel length only and is independent of the channel width, resulting in the output signal not proportional to the active area size. In this study, we propose a new detector implementation featured by “gate-out,” and theoretically show that the output is expected to be proportional to the active area size in case where the photocurrent is extracted from the gate electrode as a displacement current, leading to the greater output enhancement. Also, we experimentally show that the gate electrode of a grating-gate plasmonic THz detector works as an output port. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Plasmon / THz detection / HEMT / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 353, ED2019-88, pp. 49-52, Dec. 2019. | |
| Paper # | ED2019-88 | |
| Date of Issue | 2019-12-16 (ED) | |
| 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 | ED2019-88 Link to ES Tech. Rep. Archives: ED2019-88 |
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| Conference Information | |
| Committee | ED THz |
| Conference Date | 2019-12-23 - 2019-12-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ED |
| Conference Code | 2019-12-ED-THz |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Preliminary Study of Photocurrent Output from the Gate Electrode of a Grating-Gate Plasmonic THz Detector |
| Sub Title (in English) | |
| Keyword(1) | Plasmon |
| Keyword(2) | THz detection |
| Keyword(3) | HEMT |
| Keyword(4) | |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Taku Saito |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Masaya Suzuki |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Tomotaka Hosotani |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Taiichi Otsuji |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Yuma Takida |
| 5th Author's Affiliation | RIKEN (RIKEN.) |
| 6th Author's Name | Hiromasa Ito |
| 6th Author's Affiliation | RIKEN (RIKEN.) |
| 7th Author's Name | Hiroaki Minamide |
| 7th Author's Affiliation | RIKEN (RIKEN.) |
| 8th Author's Name | Akira Satou |
| 8th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-12-24 10:05:00 |
| Presentation Time | 25 minutes |
| Registration for | ED |
| Paper # | ED2019-88 |
| Volume (vol) | vol.119 |
| Number (no) | no.353 |
| Page | pp.49-52 |
| #Pages | 4 |
| Date of Issue | 2019-12-16 (ED) |
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