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| Presentation | 2015-12-22 10:05 Terahertz Emission and Detection from Double Graphene Layer Heterostructures Deepika Yadav, Stephane Boubanga Tombet, Stevanus Arnold, Takayuki Watanabe (RIEC Tohoku Univ.), Victor Ryzhii (Inst. of Ultra High Freq. Semicond. Elect. Russia), Taiichi Otsuji (RIEC Tohoku Univ.)  ED2015-103 Link to ES Tech. Rep. Archives: ED2015-103 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We report on experimental observation of terahertz emission and detection in a double graphene layer hetero structure which comprises of a thin h-BN tunnel-barrier layer sandwiched between two separately contacted graphene layers. The applied biases cause the inter-graphene-layer population inversion with the possibility of photon-assisted quantum mechanical resonant-tunneling transitions between the conduction bands and between valence bands of the two graphene layers. We demonstrate that this can be utilized for the realization of devices such as resonant terahertz emitters and detectors. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | graphene heterostructures / terahertz laser / photodetectors / negative differential conductance / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 387, ED2015-103, pp. 71-76, Dec. 2015. | |
| Paper # | ED2015-103 | |
| Date of Issue | 2015-12-14 (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 | ED2015-103 Link to ES Tech. Rep. Archives: ED2015-103 |
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| Conference Information | |
| Committee | ED |
| Conference Date | 2015-12-21 - 2015-12-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | RIEC, Tohoku Univ |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Millimeter-wave, terahertz-wave devices and systems |
| Paper Information | |
| Registration To | ED |
| Conference Code | 2015-12-ED |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Terahertz Emission and Detection from Double Graphene Layer Heterostructures |
| Sub Title (in English) | |
| Keyword(1) | graphene heterostructures |
| Keyword(2) | terahertz laser |
| Keyword(3) | photodetectors |
| Keyword(4) | negative differential conductance |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Deepika Yadav |
| 1st Author's Affiliation | Research Institute of Electrical Communication Tohoku University (RIEC Tohoku Univ.) |
| 2nd Author's Name | Stephane Boubanga Tombet |
| 2nd Author's Affiliation | Research Institute of Electrical Communication Tohoku University (RIEC Tohoku Univ.) |
| 3rd Author's Name | Stevanus Arnold |
| 3rd Author's Affiliation | Research Institute of Electrical Communication Tohoku University (RIEC Tohoku Univ.) |
| 4th Author's Name | Takayuki Watanabe |
| 4th Author's Affiliation | Research Institute of Electrical Communication Tohoku University (RIEC Tohoku Univ.) |
| 5th Author's Name | Victor Ryzhii |
| 5th Author's Affiliation | Institute of Ultra High Freq. Semiconductor Electronics Russia (Inst. of Ultra High Freq. Semicond. Elect. Russia) |
| 6th Author's Name | Taiichi Otsuji |
| 6th Author's Affiliation | Research Institute of Electrical Communication Tohoku University (RIEC Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-12-22 10:05:00 |
| Presentation Time | 25 minutes |
| Registration for | ED |
| Paper # | ED2015-103 |
| Volume (vol) | vol.115 |
| Number (no) | no.387 |
| Page | pp.71-76 |
| #Pages | 6 |
| Date of Issue | 2015-12-14 (ED) |
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